diff --git a/Original Firmwares/v4.1.0.359-b87.191101.0940/UF-ONU.UF-INSTANT.v4.1.0.359-b87.191101.0940.img b/Original Firmwares/v4.1.0.359-b87.191101.0940/UF-ONU.UF-INSTANT.v4.1.0.359-b87.191101.0940.img
new file mode 100644
index 0000000..f543263
Binary files /dev/null and b/Original Firmwares/v4.1.0.359-b87.191101.0940/UF-ONU.UF-INSTANT.v4.1.0.359-b87.191101.0940.img differ
diff --git a/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/fwu.sh b/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/fwu.sh
new file mode 100755
index 0000000..fae76e3
--- /dev/null
+++ b/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/fwu.sh	
@@ -0,0 +1,102 @@
+#!/bin/sh
+
+# luna firmware upgrade  script
+# $1 image destination (0 or 1) 
+# Kernel and root file system images are assumed to be located at the same directory named uImage and rootfs respectively
+# ToDo: use arugements to refer to kernel/rootfs location.
+
+k_img="uImage"
+r_img="rootfs"
+img_ver="fwu_ver"
+md5_cmp="md5.txt"
+md5_cmd="/bin/md5sum"
+#md5 run-time result
+md5_tmp="md5_tmp" 
+md5_rt_result="md5_rt_result.txt"
+
+# Stop this script upon any error
+#set -e
+
+echo "Updating image $1 with file $2 offset $3"
+img=$2
+img_offset=$3
+
+# Find out kernel/rootfs mtd partition according to image destination
+k_mtd="/dev/"`cat /proc/mtd | grep \"k"$1"\" | sed 's/:.*$//g'`
+r_mtd="/dev/"`cat /proc/mtd | grep \"r"$1"\" | sed 's/:.*$//g'`
+echo "kernel image is located at $k_mtd"
+echo "rootfs image is located at $r_mtd"
+
+# Extract kernel image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O | md5sum | sed 's/-/'$k_img'/g' > $md5_rt_result
+# Check integrity
+grep $k_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    echo "$k_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract rootfs image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O | md5sum | sed 's/-/'$r_img'/g' > $md5_rt_result
+# Check integrity
+grep $r_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    # rm $r_img
+    echo "$r_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+echo "Integrity of $k_img & $r_img is okay, start updating"
+
+k_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $k_img |  awk '{print $3}')
+r_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $r_img |  awk '{print $3}')
+
+echo "$k_img size $k_img_size_dec, $r_img size $r_img_size_dec"
+
+if [ -z "$k_img_size_dec" -o -z "$r_img_size_dec" ]; then
+    echo "Invalid sizes"
+    exit 1
+fi
+
+erase_mtd()
+{
+    # get erase block size and test support of -x argument
+    eb_size=$(flash_erase -q -x -s $1 0 1 2>/dev/null)
+    if [ $? -eq 0 ]; then
+        erase_args=-x
+    else
+        erase_args=
+        eb_size=4096
+    fi
+
+    flash_erase $erase_args $1 0 $(((($2 - 1) / $eb_size) + 1))
+}
+
+# Erase kernel partition 
+erase_mtd $k_mtd $k_img_size_dec
+# Write kernel partition
+echo "Writing $k_img to $k_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O > $k_mtd
+
+# Erase rootfs partition 
+erase_mtd $r_mtd $r_img_size_dec
+# Write rootfs partition
+echo "Writing $r_img to $r_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O > $r_mtd
+
+
+# Write image version information 
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $img_ver
+nv setenv sw_version"$1" "`cat $img_ver`"
+
+# Clean up temporary files
+rm -f $md5_cmp $md5_tmp $md5_rt_result $img_ver $2
+
+# Post processing (for future extension consideration)
+
+echo "Successfully updated image $1!!"
+
diff --git a/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/fwu_ver b/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/fwu_ver
new file mode 100644
index 0000000..3de199a
--- /dev/null
+++ b/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/fwu_ver	
@@ -0,0 +1 @@
+v4.1.0.359-b87.191101.0940
diff --git a/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/md5.txt b/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/md5.txt
new file mode 100644
index 0000000..ba7992f
--- /dev/null
+++ b/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/md5.txt	
@@ -0,0 +1,4 @@
+0829b8500c38b2d77fedf70efdfdf4f0  fwu.sh
+3b6d0a970f181ef04c0145d8d4e10e1d  rootfs
+d1fb3d2a83be1d734cfa3b5d713e3d4f  uImage
+0d36ffa33ab69151f38370ab9e38436f  fwu_ver
diff --git a/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/rootfs b/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/rootfs
new file mode 100755
index 0000000..03672c8
Binary files /dev/null and b/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/rootfs differ
diff --git a/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/uImage b/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/uImage
new file mode 100644
index 0000000..683b6db
Binary files /dev/null and b/Original Firmwares/v4.1.0.359-b87.191101.0940/extracted/uImage differ
diff --git a/Original Firmwares/v4.3.0.810-29d.210105.1122/UF-ONU.UF-INSTANT.v4.3.0.810-29d.210105.1122.img b/Original Firmwares/v4.3.0.810-29d.210105.1122/UF-ONU.UF-INSTANT.v4.3.0.810-29d.210105.1122.img
new file mode 100644
index 0000000..4468d96
Binary files /dev/null and b/Original Firmwares/v4.3.0.810-29d.210105.1122/UF-ONU.UF-INSTANT.v4.3.0.810-29d.210105.1122.img differ
diff --git a/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/fwu.sh b/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/fwu.sh
new file mode 100755
index 0000000..63edd86
--- /dev/null
+++ b/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/fwu.sh	
@@ -0,0 +1,133 @@
+#!/bin/sh
+
+# luna firmware upgrade  script
+# $1 image destination (0 or 1) 
+# Kernel and root file system images are assumed to be located at the same directory named uImage and rootfs respectively
+# ToDo: use arugements to refer to kernel/rootfs location.
+
+k_img="uImage"
+r_img="rootfs"
+u_img="plr.img"
+img_ver="fwu_ver"
+md5_cmp="md5.txt"
+md5_cmd="/bin/md5sum"
+#md5 run-time result
+md5_tmp="md5_tmp" 
+md5_rt_result="md5_rt_result.txt"
+
+# Stop this script upon any error
+#set -e
+
+echo "Updating image $1 with file $2 offset $3"
+img=$2
+img_offset=$3
+
+# Find out kernel/rootfs mtd partition according to image destination
+k_mtd="/dev/"`cat /proc/mtd | grep \"k"$1"\" | sed 's/:.*$//g'`
+r_mtd="/dev/"`cat /proc/mtd | grep \"r"$1"\" | sed 's/:.*$//g'`
+u_mtd="/dev/mtd0"
+echo "kernel image is located at $k_mtd"
+echo "rootfs image is located at $r_mtd"
+
+k_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $k_img |  awk '{print $3}')
+r_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $r_img |  awk '{print $3}')
+u_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $u_img |  awk '{print $3}')
+echo "$k_img size $k_img_size_dec, $r_img size $r_img_size_dec, $u_img size $u_img_size_dec"
+
+if [ -z "$k_img_size_dec" -o -z "$r_img_size_dec" ]; then
+    echo "Invalid sizes"
+    exit 1
+fi
+
+# Extract kernel image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O | md5sum | sed 's/-/'$k_img'/g' > $md5_rt_result
+# Check integrity
+grep $k_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    echo "$k_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract rootfs image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O | md5sum | sed 's/-/'$r_img'/g' > $md5_rt_result
+# Check integrity
+grep $r_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    # rm $r_img
+    echo "$r_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract uboot image
+if [ -n "$u_img_size_dec" ]; then
+    dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    # Check integrity
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "$u_img""md5_sum inconsistent, aborted image updating !"
+        exit 1
+    fi
+fi
+
+echo "Integrity of $k_img & $r_img is okay, start updating"
+
+erase_mtd()
+{
+    # get erase block size and test support of -x argument
+    eb_size=$(flash_erase -q -x -s $1 0 1 2>/dev/null)
+    if [ $? -eq 0 ]; then
+        erase_args=-x
+    else
+        erase_args=
+        eb_size=4096
+    fi
+
+    flash_erase $erase_args $1 0 $(((($2 - 1) / $eb_size) + 1))
+}
+
+# Upgrade uboot
+if [ -n "$u_img_size_dec" ]; then
+    echo "Checking uboot version"
+    dd if=$u_mtd bs=$u_img_size_dec count=1 2>/dev/null | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "Upgrading uboot"
+        erase_mtd $u_mtd $u_img_size_dec
+        echo "Writing $u_img to $u_mtd"
+        #dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O |wc -c
+        dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O > $u_mtd
+    else
+        echo "Uboot is up to date"
+    fi
+fi
+
+# Erase kernel partition 
+erase_mtd $k_mtd $k_img_size_dec
+# Write kernel partition
+echo "Writing $k_img to $k_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O > $k_mtd
+
+# Erase rootfs partition 
+erase_mtd $r_mtd $r_img_size_dec
+# Write rootfs partition
+echo "Writing $r_img to $r_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O > $r_mtd
+
+
+# Write image version information 
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $img_ver
+nv setenv sw_version"$1" "`cat $img_ver`"
+
+# Clean up temporary files
+rm -f $md5_cmp $md5_tmp $md5_rt_result $img_ver $2
+
+# Post processing (for future extension consideration)
+
+echo "Successfully updated image $1!!"
+
diff --git a/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/fwu_ver b/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/fwu_ver
new file mode 100644
index 0000000..b577456
--- /dev/null
+++ b/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/fwu_ver	
@@ -0,0 +1 @@
+v4.3.0.810-29d.210105.1122
diff --git a/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/md5.txt b/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/md5.txt
new file mode 100644
index 0000000..076dc40
--- /dev/null
+++ b/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/md5.txt	
@@ -0,0 +1,5 @@
+c5a5eb8526f42cb3f7efb9bf88c315ed  fwu.sh
+3acab9b33e06f4550a26092193ce59fd  rootfs
+29c13d96dc536e815c9f590293db4c2b  uImage
+1c28aad0bdf10dbd22c8c8499e30b5e4  fwu_ver
+1041797d8f2c31e294c1ff1f7517caef  plr.img
diff --git a/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/plr.img b/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/plr.img
new file mode 100644
index 0000000..a924c7c
Binary files /dev/null and b/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/plr.img differ
diff --git a/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/rootfs b/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/rootfs
new file mode 100755
index 0000000..9428e5f
Binary files /dev/null and b/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/rootfs differ
diff --git a/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/uImage b/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/uImage
new file mode 100644
index 0000000..4863bb6
Binary files /dev/null and b/Original Firmwares/v4.3.0.810-29d.210105.1122/extracted/uImage differ
diff --git a/Original Firmwares/v4.3.1.913-d48.210415.0811/extracted/fwu.sh b/Original Firmwares/v4.3.1.913-d48.210415.0811/extracted/fwu.sh
new file mode 100755
index 0000000..63edd86
--- /dev/null
+++ b/Original Firmwares/v4.3.1.913-d48.210415.0811/extracted/fwu.sh	
@@ -0,0 +1,133 @@
+#!/bin/sh
+
+# luna firmware upgrade  script
+# $1 image destination (0 or 1) 
+# Kernel and root file system images are assumed to be located at the same directory named uImage and rootfs respectively
+# ToDo: use arugements to refer to kernel/rootfs location.
+
+k_img="uImage"
+r_img="rootfs"
+u_img="plr.img"
+img_ver="fwu_ver"
+md5_cmp="md5.txt"
+md5_cmd="/bin/md5sum"
+#md5 run-time result
+md5_tmp="md5_tmp" 
+md5_rt_result="md5_rt_result.txt"
+
+# Stop this script upon any error
+#set -e
+
+echo "Updating image $1 with file $2 offset $3"
+img=$2
+img_offset=$3
+
+# Find out kernel/rootfs mtd partition according to image destination
+k_mtd="/dev/"`cat /proc/mtd | grep \"k"$1"\" | sed 's/:.*$//g'`
+r_mtd="/dev/"`cat /proc/mtd | grep \"r"$1"\" | sed 's/:.*$//g'`
+u_mtd="/dev/mtd0"
+echo "kernel image is located at $k_mtd"
+echo "rootfs image is located at $r_mtd"
+
+k_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $k_img |  awk '{print $3}')
+r_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $r_img |  awk '{print $3}')
+u_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $u_img |  awk '{print $3}')
+echo "$k_img size $k_img_size_dec, $r_img size $r_img_size_dec, $u_img size $u_img_size_dec"
+
+if [ -z "$k_img_size_dec" -o -z "$r_img_size_dec" ]; then
+    echo "Invalid sizes"
+    exit 1
+fi
+
+# Extract kernel image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O | md5sum | sed 's/-/'$k_img'/g' > $md5_rt_result
+# Check integrity
+grep $k_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    echo "$k_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract rootfs image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O | md5sum | sed 's/-/'$r_img'/g' > $md5_rt_result
+# Check integrity
+grep $r_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    # rm $r_img
+    echo "$r_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract uboot image
+if [ -n "$u_img_size_dec" ]; then
+    dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    # Check integrity
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "$u_img""md5_sum inconsistent, aborted image updating !"
+        exit 1
+    fi
+fi
+
+echo "Integrity of $k_img & $r_img is okay, start updating"
+
+erase_mtd()
+{
+    # get erase block size and test support of -x argument
+    eb_size=$(flash_erase -q -x -s $1 0 1 2>/dev/null)
+    if [ $? -eq 0 ]; then
+        erase_args=-x
+    else
+        erase_args=
+        eb_size=4096
+    fi
+
+    flash_erase $erase_args $1 0 $(((($2 - 1) / $eb_size) + 1))
+}
+
+# Upgrade uboot
+if [ -n "$u_img_size_dec" ]; then
+    echo "Checking uboot version"
+    dd if=$u_mtd bs=$u_img_size_dec count=1 2>/dev/null | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "Upgrading uboot"
+        erase_mtd $u_mtd $u_img_size_dec
+        echo "Writing $u_img to $u_mtd"
+        #dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O |wc -c
+        dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O > $u_mtd
+    else
+        echo "Uboot is up to date"
+    fi
+fi
+
+# Erase kernel partition 
+erase_mtd $k_mtd $k_img_size_dec
+# Write kernel partition
+echo "Writing $k_img to $k_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O > $k_mtd
+
+# Erase rootfs partition 
+erase_mtd $r_mtd $r_img_size_dec
+# Write rootfs partition
+echo "Writing $r_img to $r_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O > $r_mtd
+
+
+# Write image version information 
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $img_ver
+nv setenv sw_version"$1" "`cat $img_ver`"
+
+# Clean up temporary files
+rm -f $md5_cmp $md5_tmp $md5_rt_result $img_ver $2
+
+# Post processing (for future extension consideration)
+
+echo "Successfully updated image $1!!"
+
diff --git a/Original Firmwares/v4.3.1.913-d48.210415.0811/extracted/fwu_ver b/Original Firmwares/v4.3.1.913-d48.210415.0811/extracted/fwu_ver
new file mode 100644
index 0000000..aed8857
--- /dev/null
+++ b/Original Firmwares/v4.3.1.913-d48.210415.0811/extracted/fwu_ver	
@@ -0,0 +1 @@
+v4.3.1.913-d48.210415.0811
diff --git a/Original Firmwares/v4.3.1.913-d48.210415.0811/extracted/md5.txt b/Original Firmwares/v4.3.1.913-d48.210415.0811/extracted/md5.txt
new file mode 100644
index 0000000..f8e48f0
--- /dev/null
+++ b/Original Firmwares/v4.3.1.913-d48.210415.0811/extracted/md5.txt	
@@ -0,0 +1,5 @@
+c5a5eb8526f42cb3f7efb9bf88c315ed  fwu.sh
+df5cef2909ac7391df86c98ad01297ef  rootfs
+28c02939cae41a2752cea677f1075b85  uImage
+c5718e8819a8593a7e0fba3c08deef03  fwu_ver
+1041797d8f2c31e294c1ff1f7517caef  plr.img
diff --git a/Original Firmwares/v4.4.0.1118-2f5.211102.0822/UF-ONU.UF-INSTANT.v4.4.0.1118-2f5.211102.0822.img b/Original Firmwares/v4.4.0.1118-2f5.211102.0822/UF-ONU.UF-INSTANT.v4.4.0.1118-2f5.211102.0822.img
new file mode 100644
index 0000000..5227ce7
Binary files /dev/null and b/Original Firmwares/v4.4.0.1118-2f5.211102.0822/UF-ONU.UF-INSTANT.v4.4.0.1118-2f5.211102.0822.img differ
diff --git a/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/fwu.sh b/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/fwu.sh
new file mode 100755
index 0000000..63edd86
--- /dev/null
+++ b/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/fwu.sh	
@@ -0,0 +1,133 @@
+#!/bin/sh
+
+# luna firmware upgrade  script
+# $1 image destination (0 or 1) 
+# Kernel and root file system images are assumed to be located at the same directory named uImage and rootfs respectively
+# ToDo: use arugements to refer to kernel/rootfs location.
+
+k_img="uImage"
+r_img="rootfs"
+u_img="plr.img"
+img_ver="fwu_ver"
+md5_cmp="md5.txt"
+md5_cmd="/bin/md5sum"
+#md5 run-time result
+md5_tmp="md5_tmp" 
+md5_rt_result="md5_rt_result.txt"
+
+# Stop this script upon any error
+#set -e
+
+echo "Updating image $1 with file $2 offset $3"
+img=$2
+img_offset=$3
+
+# Find out kernel/rootfs mtd partition according to image destination
+k_mtd="/dev/"`cat /proc/mtd | grep \"k"$1"\" | sed 's/:.*$//g'`
+r_mtd="/dev/"`cat /proc/mtd | grep \"r"$1"\" | sed 's/:.*$//g'`
+u_mtd="/dev/mtd0"
+echo "kernel image is located at $k_mtd"
+echo "rootfs image is located at $r_mtd"
+
+k_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $k_img |  awk '{print $3}')
+r_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $r_img |  awk '{print $3}')
+u_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $u_img |  awk '{print $3}')
+echo "$k_img size $k_img_size_dec, $r_img size $r_img_size_dec, $u_img size $u_img_size_dec"
+
+if [ -z "$k_img_size_dec" -o -z "$r_img_size_dec" ]; then
+    echo "Invalid sizes"
+    exit 1
+fi
+
+# Extract kernel image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O | md5sum | sed 's/-/'$k_img'/g' > $md5_rt_result
+# Check integrity
+grep $k_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    echo "$k_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract rootfs image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O | md5sum | sed 's/-/'$r_img'/g' > $md5_rt_result
+# Check integrity
+grep $r_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    # rm $r_img
+    echo "$r_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract uboot image
+if [ -n "$u_img_size_dec" ]; then
+    dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    # Check integrity
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "$u_img""md5_sum inconsistent, aborted image updating !"
+        exit 1
+    fi
+fi
+
+echo "Integrity of $k_img & $r_img is okay, start updating"
+
+erase_mtd()
+{
+    # get erase block size and test support of -x argument
+    eb_size=$(flash_erase -q -x -s $1 0 1 2>/dev/null)
+    if [ $? -eq 0 ]; then
+        erase_args=-x
+    else
+        erase_args=
+        eb_size=4096
+    fi
+
+    flash_erase $erase_args $1 0 $(((($2 - 1) / $eb_size) + 1))
+}
+
+# Upgrade uboot
+if [ -n "$u_img_size_dec" ]; then
+    echo "Checking uboot version"
+    dd if=$u_mtd bs=$u_img_size_dec count=1 2>/dev/null | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "Upgrading uboot"
+        erase_mtd $u_mtd $u_img_size_dec
+        echo "Writing $u_img to $u_mtd"
+        #dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O |wc -c
+        dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O > $u_mtd
+    else
+        echo "Uboot is up to date"
+    fi
+fi
+
+# Erase kernel partition 
+erase_mtd $k_mtd $k_img_size_dec
+# Write kernel partition
+echo "Writing $k_img to $k_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O > $k_mtd
+
+# Erase rootfs partition 
+erase_mtd $r_mtd $r_img_size_dec
+# Write rootfs partition
+echo "Writing $r_img to $r_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O > $r_mtd
+
+
+# Write image version information 
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $img_ver
+nv setenv sw_version"$1" "`cat $img_ver`"
+
+# Clean up temporary files
+rm -f $md5_cmp $md5_tmp $md5_rt_result $img_ver $2
+
+# Post processing (for future extension consideration)
+
+echo "Successfully updated image $1!!"
+
diff --git a/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/fwu_ver b/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/fwu_ver
new file mode 100644
index 0000000..a28ee32
--- /dev/null
+++ b/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/fwu_ver	
@@ -0,0 +1 @@
+v4.4.0.1118-2f5.211102.0822
diff --git a/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/md5.txt b/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/md5.txt
new file mode 100644
index 0000000..9861fb3
--- /dev/null
+++ b/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/md5.txt	
@@ -0,0 +1,5 @@
+c5a5eb8526f42cb3f7efb9bf88c315ed  fwu.sh
+d8ba4477de5399ab7e714602a6c4c1aa  rootfs
+5375853973963e9144e5f45d8a160112  uImage
+56ae3075c085202dc89f35903edeeb37  fwu_ver
+1041797d8f2c31e294c1ff1f7517caef  plr.img
diff --git a/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/plr.img b/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/plr.img
new file mode 100644
index 0000000..a924c7c
Binary files /dev/null and b/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/plr.img differ
diff --git a/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/rootfs b/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/rootfs
new file mode 100755
index 0000000..f761070
Binary files /dev/null and b/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/rootfs differ
diff --git a/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/uImage b/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/uImage
new file mode 100644
index 0000000..6fdbd7e
Binary files /dev/null and b/Original Firmwares/v4.4.0.1118-2f5.211102.0822/extracted/uImage differ
diff --git a/Original Firmwares/v4.4.2.1248-550.220304.1317/extracted/fwu.sh b/Original Firmwares/v4.4.2.1248-550.220304.1317/extracted/fwu.sh
new file mode 100755
index 0000000..63edd86
--- /dev/null
+++ b/Original Firmwares/v4.4.2.1248-550.220304.1317/extracted/fwu.sh	
@@ -0,0 +1,133 @@
+#!/bin/sh
+
+# luna firmware upgrade  script
+# $1 image destination (0 or 1) 
+# Kernel and root file system images are assumed to be located at the same directory named uImage and rootfs respectively
+# ToDo: use arugements to refer to kernel/rootfs location.
+
+k_img="uImage"
+r_img="rootfs"
+u_img="plr.img"
+img_ver="fwu_ver"
+md5_cmp="md5.txt"
+md5_cmd="/bin/md5sum"
+#md5 run-time result
+md5_tmp="md5_tmp" 
+md5_rt_result="md5_rt_result.txt"
+
+# Stop this script upon any error
+#set -e
+
+echo "Updating image $1 with file $2 offset $3"
+img=$2
+img_offset=$3
+
+# Find out kernel/rootfs mtd partition according to image destination
+k_mtd="/dev/"`cat /proc/mtd | grep \"k"$1"\" | sed 's/:.*$//g'`
+r_mtd="/dev/"`cat /proc/mtd | grep \"r"$1"\" | sed 's/:.*$//g'`
+u_mtd="/dev/mtd0"
+echo "kernel image is located at $k_mtd"
+echo "rootfs image is located at $r_mtd"
+
+k_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $k_img |  awk '{print $3}')
+r_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $r_img |  awk '{print $3}')
+u_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $u_img |  awk '{print $3}')
+echo "$k_img size $k_img_size_dec, $r_img size $r_img_size_dec, $u_img size $u_img_size_dec"
+
+if [ -z "$k_img_size_dec" -o -z "$r_img_size_dec" ]; then
+    echo "Invalid sizes"
+    exit 1
+fi
+
+# Extract kernel image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O | md5sum | sed 's/-/'$k_img'/g' > $md5_rt_result
+# Check integrity
+grep $k_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    echo "$k_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract rootfs image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O | md5sum | sed 's/-/'$r_img'/g' > $md5_rt_result
+# Check integrity
+grep $r_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    # rm $r_img
+    echo "$r_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract uboot image
+if [ -n "$u_img_size_dec" ]; then
+    dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    # Check integrity
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "$u_img""md5_sum inconsistent, aborted image updating !"
+        exit 1
+    fi
+fi
+
+echo "Integrity of $k_img & $r_img is okay, start updating"
+
+erase_mtd()
+{
+    # get erase block size and test support of -x argument
+    eb_size=$(flash_erase -q -x -s $1 0 1 2>/dev/null)
+    if [ $? -eq 0 ]; then
+        erase_args=-x
+    else
+        erase_args=
+        eb_size=4096
+    fi
+
+    flash_erase $erase_args $1 0 $(((($2 - 1) / $eb_size) + 1))
+}
+
+# Upgrade uboot
+if [ -n "$u_img_size_dec" ]; then
+    echo "Checking uboot version"
+    dd if=$u_mtd bs=$u_img_size_dec count=1 2>/dev/null | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "Upgrading uboot"
+        erase_mtd $u_mtd $u_img_size_dec
+        echo "Writing $u_img to $u_mtd"
+        #dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O |wc -c
+        dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O > $u_mtd
+    else
+        echo "Uboot is up to date"
+    fi
+fi
+
+# Erase kernel partition 
+erase_mtd $k_mtd $k_img_size_dec
+# Write kernel partition
+echo "Writing $k_img to $k_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O > $k_mtd
+
+# Erase rootfs partition 
+erase_mtd $r_mtd $r_img_size_dec
+# Write rootfs partition
+echo "Writing $r_img to $r_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O > $r_mtd
+
+
+# Write image version information 
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $img_ver
+nv setenv sw_version"$1" "`cat $img_ver`"
+
+# Clean up temporary files
+rm -f $md5_cmp $md5_tmp $md5_rt_result $img_ver $2
+
+# Post processing (for future extension consideration)
+
+echo "Successfully updated image $1!!"
+
diff --git a/Original Firmwares/v4.4.2.1248-550.220304.1317/extracted/fwu_ver b/Original Firmwares/v4.4.2.1248-550.220304.1317/extracted/fwu_ver
new file mode 100644
index 0000000..86e1f12
--- /dev/null
+++ b/Original Firmwares/v4.4.2.1248-550.220304.1317/extracted/fwu_ver	
@@ -0,0 +1 @@
+v4.4.2.1248-550.220304.1317
diff --git a/Original Firmwares/v4.4.2.1248-550.220304.1317/extracted/md5.txt b/Original Firmwares/v4.4.2.1248-550.220304.1317/extracted/md5.txt
new file mode 100644
index 0000000..7136342
--- /dev/null
+++ b/Original Firmwares/v4.4.2.1248-550.220304.1317/extracted/md5.txt	
@@ -0,0 +1,5 @@
+c5a5eb8526f42cb3f7efb9bf88c315ed  fwu.sh
+88b02bc6355d79766fea0ff89b0b16e4  rootfs
+52ffde66f636db3876fd909b2a46cbfc  uImage
+79d0bf57e9b3165bb5a56e850df53084  fwu_ver
+1041797d8f2c31e294c1ff1f7517caef  plr.img
diff --git a/Original Firmwares/v4.4.3.1442-23c.220908.1227/UF-ONU.UF-INSTANT.v4.4.3.1442-23c.220908.1227.img b/Original Firmwares/v4.4.3.1442-23c.220908.1227/UF-ONU.UF-INSTANT.v4.4.3.1442-23c.220908.1227.img
new file mode 100644
index 0000000..66edf86
Binary files /dev/null and b/Original Firmwares/v4.4.3.1442-23c.220908.1227/UF-ONU.UF-INSTANT.v4.4.3.1442-23c.220908.1227.img differ
diff --git a/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/fwu.sh b/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/fwu.sh
new file mode 100755
index 0000000..63edd86
--- /dev/null
+++ b/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/fwu.sh	
@@ -0,0 +1,133 @@
+#!/bin/sh
+
+# luna firmware upgrade  script
+# $1 image destination (0 or 1) 
+# Kernel and root file system images are assumed to be located at the same directory named uImage and rootfs respectively
+# ToDo: use arugements to refer to kernel/rootfs location.
+
+k_img="uImage"
+r_img="rootfs"
+u_img="plr.img"
+img_ver="fwu_ver"
+md5_cmp="md5.txt"
+md5_cmd="/bin/md5sum"
+#md5 run-time result
+md5_tmp="md5_tmp" 
+md5_rt_result="md5_rt_result.txt"
+
+# Stop this script upon any error
+#set -e
+
+echo "Updating image $1 with file $2 offset $3"
+img=$2
+img_offset=$3
+
+# Find out kernel/rootfs mtd partition according to image destination
+k_mtd="/dev/"`cat /proc/mtd | grep \"k"$1"\" | sed 's/:.*$//g'`
+r_mtd="/dev/"`cat /proc/mtd | grep \"r"$1"\" | sed 's/:.*$//g'`
+u_mtd="/dev/mtd0"
+echo "kernel image is located at $k_mtd"
+echo "rootfs image is located at $r_mtd"
+
+k_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $k_img |  awk '{print $3}')
+r_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $r_img |  awk '{print $3}')
+u_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $u_img |  awk '{print $3}')
+echo "$k_img size $k_img_size_dec, $r_img size $r_img_size_dec, $u_img size $u_img_size_dec"
+
+if [ -z "$k_img_size_dec" -o -z "$r_img_size_dec" ]; then
+    echo "Invalid sizes"
+    exit 1
+fi
+
+# Extract kernel image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O | md5sum | sed 's/-/'$k_img'/g' > $md5_rt_result
+# Check integrity
+grep $k_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    echo "$k_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract rootfs image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O | md5sum | sed 's/-/'$r_img'/g' > $md5_rt_result
+# Check integrity
+grep $r_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    # rm $r_img
+    echo "$r_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract uboot image
+if [ -n "$u_img_size_dec" ]; then
+    dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    # Check integrity
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "$u_img""md5_sum inconsistent, aborted image updating !"
+        exit 1
+    fi
+fi
+
+echo "Integrity of $k_img & $r_img is okay, start updating"
+
+erase_mtd()
+{
+    # get erase block size and test support of -x argument
+    eb_size=$(flash_erase -q -x -s $1 0 1 2>/dev/null)
+    if [ $? -eq 0 ]; then
+        erase_args=-x
+    else
+        erase_args=
+        eb_size=4096
+    fi
+
+    flash_erase $erase_args $1 0 $(((($2 - 1) / $eb_size) + 1))
+}
+
+# Upgrade uboot
+if [ -n "$u_img_size_dec" ]; then
+    echo "Checking uboot version"
+    dd if=$u_mtd bs=$u_img_size_dec count=1 2>/dev/null | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "Upgrading uboot"
+        erase_mtd $u_mtd $u_img_size_dec
+        echo "Writing $u_img to $u_mtd"
+        #dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O |wc -c
+        dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O > $u_mtd
+    else
+        echo "Uboot is up to date"
+    fi
+fi
+
+# Erase kernel partition 
+erase_mtd $k_mtd $k_img_size_dec
+# Write kernel partition
+echo "Writing $k_img to $k_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O > $k_mtd
+
+# Erase rootfs partition 
+erase_mtd $r_mtd $r_img_size_dec
+# Write rootfs partition
+echo "Writing $r_img to $r_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O > $r_mtd
+
+
+# Write image version information 
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $img_ver
+nv setenv sw_version"$1" "`cat $img_ver`"
+
+# Clean up temporary files
+rm -f $md5_cmp $md5_tmp $md5_rt_result $img_ver $2
+
+# Post processing (for future extension consideration)
+
+echo "Successfully updated image $1!!"
+
diff --git a/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/fwu_ver b/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/fwu_ver
new file mode 100644
index 0000000..cc095f0
--- /dev/null
+++ b/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/fwu_ver	
@@ -0,0 +1 @@
+v4.4.3.1442-23c.220908.1227
diff --git a/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/md5.txt b/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/md5.txt
new file mode 100644
index 0000000..5e7a35a
--- /dev/null
+++ b/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/md5.txt	
@@ -0,0 +1,5 @@
+c5a5eb8526f42cb3f7efb9bf88c315ed  fwu.sh
+d67c507c13ab49afdde80a5834ef79ea  rootfs
+990c941aaf96fc72e3a925108eaae8e9  uImage
+1bfcb774fef7d6429f5941ab0eb2f9de  fwu_ver
+1041797d8f2c31e294c1ff1f7517caef  plr.img
diff --git a/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/plr.img b/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/plr.img
new file mode 100644
index 0000000..a924c7c
Binary files /dev/null and b/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/plr.img differ
diff --git a/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/rootfs b/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/rootfs
new file mode 100755
index 0000000..f64969f
Binary files /dev/null and b/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/rootfs differ
diff --git a/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/uImage b/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/uImage
new file mode 100644
index 0000000..9881b6c
Binary files /dev/null and b/Original Firmwares/v4.4.3.1442-23c.220908.1227/extracted/uImage differ
diff --git a/Original Firmwares/v4.4.6.1547-4f3.221219.0950/UF-ONU.UF-INSTANT.v4.4.6.1547-4f3.221219.0950.img b/Original Firmwares/v4.4.6.1547-4f3.221219.0950/UF-ONU.UF-INSTANT.v4.4.6.1547-4f3.221219.0950.img
new file mode 100644
index 0000000..fa91496
Binary files /dev/null and b/Original Firmwares/v4.4.6.1547-4f3.221219.0950/UF-ONU.UF-INSTANT.v4.4.6.1547-4f3.221219.0950.img differ
diff --git a/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/fwu.sh b/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/fwu.sh
new file mode 100755
index 0000000..63edd86
--- /dev/null
+++ b/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/fwu.sh	
@@ -0,0 +1,133 @@
+#!/bin/sh
+
+# luna firmware upgrade  script
+# $1 image destination (0 or 1) 
+# Kernel and root file system images are assumed to be located at the same directory named uImage and rootfs respectively
+# ToDo: use arugements to refer to kernel/rootfs location.
+
+k_img="uImage"
+r_img="rootfs"
+u_img="plr.img"
+img_ver="fwu_ver"
+md5_cmp="md5.txt"
+md5_cmd="/bin/md5sum"
+#md5 run-time result
+md5_tmp="md5_tmp" 
+md5_rt_result="md5_rt_result.txt"
+
+# Stop this script upon any error
+#set -e
+
+echo "Updating image $1 with file $2 offset $3"
+img=$2
+img_offset=$3
+
+# Find out kernel/rootfs mtd partition according to image destination
+k_mtd="/dev/"`cat /proc/mtd | grep \"k"$1"\" | sed 's/:.*$//g'`
+r_mtd="/dev/"`cat /proc/mtd | grep \"r"$1"\" | sed 's/:.*$//g'`
+u_mtd="/dev/mtd0"
+echo "kernel image is located at $k_mtd"
+echo "rootfs image is located at $r_mtd"
+
+k_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $k_img |  awk '{print $3}')
+r_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $r_img |  awk '{print $3}')
+u_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $u_img |  awk '{print $3}')
+echo "$k_img size $k_img_size_dec, $r_img size $r_img_size_dec, $u_img size $u_img_size_dec"
+
+if [ -z "$k_img_size_dec" -o -z "$r_img_size_dec" ]; then
+    echo "Invalid sizes"
+    exit 1
+fi
+
+# Extract kernel image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O | md5sum | sed 's/-/'$k_img'/g' > $md5_rt_result
+# Check integrity
+grep $k_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    echo "$k_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract rootfs image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O | md5sum | sed 's/-/'$r_img'/g' > $md5_rt_result
+# Check integrity
+grep $r_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    # rm $r_img
+    echo "$r_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract uboot image
+if [ -n "$u_img_size_dec" ]; then
+    dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    # Check integrity
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "$u_img""md5_sum inconsistent, aborted image updating !"
+        exit 1
+    fi
+fi
+
+echo "Integrity of $k_img & $r_img is okay, start updating"
+
+erase_mtd()
+{
+    # get erase block size and test support of -x argument
+    eb_size=$(flash_erase -q -x -s $1 0 1 2>/dev/null)
+    if [ $? -eq 0 ]; then
+        erase_args=-x
+    else
+        erase_args=
+        eb_size=4096
+    fi
+
+    flash_erase $erase_args $1 0 $(((($2 - 1) / $eb_size) + 1))
+}
+
+# Upgrade uboot
+if [ -n "$u_img_size_dec" ]; then
+    echo "Checking uboot version"
+    dd if=$u_mtd bs=$u_img_size_dec count=1 2>/dev/null | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "Upgrading uboot"
+        erase_mtd $u_mtd $u_img_size_dec
+        echo "Writing $u_img to $u_mtd"
+        #dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O |wc -c
+        dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O > $u_mtd
+    else
+        echo "Uboot is up to date"
+    fi
+fi
+
+# Erase kernel partition 
+erase_mtd $k_mtd $k_img_size_dec
+# Write kernel partition
+echo "Writing $k_img to $k_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O > $k_mtd
+
+# Erase rootfs partition 
+erase_mtd $r_mtd $r_img_size_dec
+# Write rootfs partition
+echo "Writing $r_img to $r_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O > $r_mtd
+
+
+# Write image version information 
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $img_ver
+nv setenv sw_version"$1" "`cat $img_ver`"
+
+# Clean up temporary files
+rm -f $md5_cmp $md5_tmp $md5_rt_result $img_ver $2
+
+# Post processing (for future extension consideration)
+
+echo "Successfully updated image $1!!"
+
diff --git a/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/fwu_ver b/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/fwu_ver
new file mode 100644
index 0000000..3870fd3
--- /dev/null
+++ b/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/fwu_ver	
@@ -0,0 +1 @@
+v4.4.6.1547-4f3.221219.0950
diff --git a/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/md5.txt b/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/md5.txt
new file mode 100644
index 0000000..895231a
--- /dev/null
+++ b/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/md5.txt	
@@ -0,0 +1,5 @@
+c5a5eb8526f42cb3f7efb9bf88c315ed  fwu.sh
+4df9efa06e43000d3f49886931465b75  rootfs
+daf8dc1aa87b52662b31f5c3d25139dd  uImage
+518fb53a50a9d3d41225b75f8055a87b  fwu_ver
+1041797d8f2c31e294c1ff1f7517caef  plr.img
diff --git a/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/plr.img b/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/plr.img
new file mode 100644
index 0000000..a924c7c
Binary files /dev/null and b/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/plr.img differ
diff --git a/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/rootfs b/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/rootfs
new file mode 100755
index 0000000..4f48a10
Binary files /dev/null and b/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/rootfs differ
diff --git a/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/uImage b/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/uImage
new file mode 100644
index 0000000..a61b3d1
Binary files /dev/null and b/Original Firmwares/v4.4.6.1547-4f3.221219.0950/extracted/uImage differ
diff --git a/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/fwu.sh b/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/fwu.sh
new file mode 100755
index 0000000..63edd86
--- /dev/null
+++ b/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/fwu.sh	
@@ -0,0 +1,133 @@
+#!/bin/sh
+
+# luna firmware upgrade  script
+# $1 image destination (0 or 1) 
+# Kernel and root file system images are assumed to be located at the same directory named uImage and rootfs respectively
+# ToDo: use arugements to refer to kernel/rootfs location.
+
+k_img="uImage"
+r_img="rootfs"
+u_img="plr.img"
+img_ver="fwu_ver"
+md5_cmp="md5.txt"
+md5_cmd="/bin/md5sum"
+#md5 run-time result
+md5_tmp="md5_tmp" 
+md5_rt_result="md5_rt_result.txt"
+
+# Stop this script upon any error
+#set -e
+
+echo "Updating image $1 with file $2 offset $3"
+img=$2
+img_offset=$3
+
+# Find out kernel/rootfs mtd partition according to image destination
+k_mtd="/dev/"`cat /proc/mtd | grep \"k"$1"\" | sed 's/:.*$//g'`
+r_mtd="/dev/"`cat /proc/mtd | grep \"r"$1"\" | sed 's/:.*$//g'`
+u_mtd="/dev/mtd0"
+echo "kernel image is located at $k_mtd"
+echo "rootfs image is located at $r_mtd"
+
+k_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $k_img |  awk '{print $3}')
+r_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $r_img |  awk '{print $3}')
+u_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $u_img |  awk '{print $3}')
+echo "$k_img size $k_img_size_dec, $r_img size $r_img_size_dec, $u_img size $u_img_size_dec"
+
+if [ -z "$k_img_size_dec" -o -z "$r_img_size_dec" ]; then
+    echo "Invalid sizes"
+    exit 1
+fi
+
+# Extract kernel image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O | md5sum | sed 's/-/'$k_img'/g' > $md5_rt_result
+# Check integrity
+grep $k_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    echo "$k_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract rootfs image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O | md5sum | sed 's/-/'$r_img'/g' > $md5_rt_result
+# Check integrity
+grep $r_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    # rm $r_img
+    echo "$r_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract uboot image
+if [ -n "$u_img_size_dec" ]; then
+    dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    # Check integrity
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "$u_img""md5_sum inconsistent, aborted image updating !"
+        exit 1
+    fi
+fi
+
+echo "Integrity of $k_img & $r_img is okay, start updating"
+
+erase_mtd()
+{
+    # get erase block size and test support of -x argument
+    eb_size=$(flash_erase -q -x -s $1 0 1 2>/dev/null)
+    if [ $? -eq 0 ]; then
+        erase_args=-x
+    else
+        erase_args=
+        eb_size=4096
+    fi
+
+    flash_erase $erase_args $1 0 $(((($2 - 1) / $eb_size) + 1))
+}
+
+# Upgrade uboot
+if [ -n "$u_img_size_dec" ]; then
+    echo "Checking uboot version"
+    dd if=$u_mtd bs=$u_img_size_dec count=1 2>/dev/null | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "Upgrading uboot"
+        erase_mtd $u_mtd $u_img_size_dec
+        echo "Writing $u_img to $u_mtd"
+        #dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O |wc -c
+        dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O > $u_mtd
+    else
+        echo "Uboot is up to date"
+    fi
+fi
+
+# Erase kernel partition 
+erase_mtd $k_mtd $k_img_size_dec
+# Write kernel partition
+echo "Writing $k_img to $k_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O > $k_mtd
+
+# Erase rootfs partition 
+erase_mtd $r_mtd $r_img_size_dec
+# Write rootfs partition
+echo "Writing $r_img to $r_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O > $r_mtd
+
+
+# Write image version information 
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $img_ver
+nv setenv sw_version"$1" "`cat $img_ver`"
+
+# Clean up temporary files
+rm -f $md5_cmp $md5_tmp $md5_rt_result $img_ver $2
+
+# Post processing (for future extension consideration)
+
+echo "Successfully updated image $1!!"
+
diff --git a/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/fwu_ver b/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/fwu_ver
new file mode 100644
index 0000000..bed26ef
--- /dev/null
+++ b/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/fwu_ver	
@@ -0,0 +1 @@
+v4.4.8.1577-1e5.230117.0910
diff --git a/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/md5.txt b/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/md5.txt
new file mode 100644
index 0000000..0a415db
--- /dev/null
+++ b/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/md5.txt	
@@ -0,0 +1,5 @@
+c5a5eb8526f42cb3f7efb9bf88c315ed  fwu.sh
+e8da1b30c1883d4d19d58ab7b625bd52  rootfs
+7c7045349952a25ab6e1353474ed8508  uImage
+0d1ff38105de4e88e6ab3b6be1c8b522  fwu_ver
+1041797d8f2c31e294c1ff1f7517caef  plr.img
diff --git a/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/plr.img b/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/plr.img
new file mode 100644
index 0000000..a924c7c
Binary files /dev/null and b/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/plr.img differ
diff --git a/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/rootfs b/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/rootfs
new file mode 100755
index 0000000..4cb60b5
Binary files /dev/null and b/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/rootfs differ
diff --git a/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/uImage b/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/uImage
new file mode 100644
index 0000000..76c6daa
Binary files /dev/null and b/Original Firmwares/v4.4.8.1577-1e5.230117.0910/extracted/uImage differ
diff --git a/Original Firmwares/v4.4.9.1623-46a.230301.1135/UF-ONU.UF-INSTANT.v4.4.9.1623-46a.230301.1135.img b/Original Firmwares/v4.4.9.1623-46a.230301.1135/UF-ONU.UF-INSTANT.v4.4.9.1623-46a.230301.1135.img
new file mode 100644
index 0000000..1e9843b
Binary files /dev/null and b/Original Firmwares/v4.4.9.1623-46a.230301.1135/UF-ONU.UF-INSTANT.v4.4.9.1623-46a.230301.1135.img differ
diff --git a/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/fwu.sh b/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/fwu.sh
new file mode 100755
index 0000000..63edd86
--- /dev/null
+++ b/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/fwu.sh	
@@ -0,0 +1,133 @@
+#!/bin/sh
+
+# luna firmware upgrade  script
+# $1 image destination (0 or 1) 
+# Kernel and root file system images are assumed to be located at the same directory named uImage and rootfs respectively
+# ToDo: use arugements to refer to kernel/rootfs location.
+
+k_img="uImage"
+r_img="rootfs"
+u_img="plr.img"
+img_ver="fwu_ver"
+md5_cmp="md5.txt"
+md5_cmd="/bin/md5sum"
+#md5 run-time result
+md5_tmp="md5_tmp" 
+md5_rt_result="md5_rt_result.txt"
+
+# Stop this script upon any error
+#set -e
+
+echo "Updating image $1 with file $2 offset $3"
+img=$2
+img_offset=$3
+
+# Find out kernel/rootfs mtd partition according to image destination
+k_mtd="/dev/"`cat /proc/mtd | grep \"k"$1"\" | sed 's/:.*$//g'`
+r_mtd="/dev/"`cat /proc/mtd | grep \"r"$1"\" | sed 's/:.*$//g'`
+u_mtd="/dev/mtd0"
+echo "kernel image is located at $k_mtd"
+echo "rootfs image is located at $r_mtd"
+
+k_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $k_img |  awk '{print $3}')
+r_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $r_img |  awk '{print $3}')
+u_img_size_dec=$(dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -tv $u_img |  awk '{print $3}')
+echo "$k_img size $k_img_size_dec, $r_img size $r_img_size_dec, $u_img size $u_img_size_dec"
+
+if [ -z "$k_img_size_dec" -o -z "$r_img_size_dec" ]; then
+    echo "Invalid sizes"
+    exit 1
+fi
+
+# Extract kernel image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O | md5sum | sed 's/-/'$k_img'/g' > $md5_rt_result
+# Check integrity
+grep $k_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    echo "$k_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract rootfs image
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O | md5sum | sed 's/-/'$r_img'/g' > $md5_rt_result
+# Check integrity
+grep $r_img $md5_cmp > $md5_tmp
+diff $md5_rt_result $md5_tmp
+
+if [ $? != 0 ]; then
+    # rm $r_img
+    echo "$r_img""md5_sum inconsistent, aborted image updating !"
+    exit 1
+fi
+
+# Extract uboot image
+if [ -n "$u_img_size_dec" ]; then
+    dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    # Check integrity
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "$u_img""md5_sum inconsistent, aborted image updating !"
+        exit 1
+    fi
+fi
+
+echo "Integrity of $k_img & $r_img is okay, start updating"
+
+erase_mtd()
+{
+    # get erase block size and test support of -x argument
+    eb_size=$(flash_erase -q -x -s $1 0 1 2>/dev/null)
+    if [ $? -eq 0 ]; then
+        erase_args=-x
+    else
+        erase_args=
+        eb_size=4096
+    fi
+
+    flash_erase $erase_args $1 0 $(((($2 - 1) / $eb_size) + 1))
+}
+
+# Upgrade uboot
+if [ -n "$u_img_size_dec" ]; then
+    echo "Checking uboot version"
+    dd if=$u_mtd bs=$u_img_size_dec count=1 2>/dev/null | md5sum | sed 's/-/'$u_img'/g' > $md5_rt_result
+    grep $u_img $md5_cmp > $md5_tmp
+    diff $md5_rt_result $md5_tmp
+    if [ $? != 0 ]; then
+        echo "Upgrading uboot"
+        erase_mtd $u_mtd $u_img_size_dec
+        echo "Writing $u_img to $u_mtd"
+        #dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O |wc -c
+        dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $u_img -O > $u_mtd
+    else
+        echo "Uboot is up to date"
+    fi
+fi
+
+# Erase kernel partition 
+erase_mtd $k_mtd $k_img_size_dec
+# Write kernel partition
+echo "Writing $k_img to $k_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $k_img -O > $k_mtd
+
+# Erase rootfs partition 
+erase_mtd $r_mtd $r_img_size_dec
+# Write rootfs partition
+echo "Writing $r_img to $r_mtd"
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $r_img -O > $r_mtd
+
+
+# Write image version information 
+dd if=$img bs=$img_offset skip=1 2>/dev/null | tar -x $img_ver
+nv setenv sw_version"$1" "`cat $img_ver`"
+
+# Clean up temporary files
+rm -f $md5_cmp $md5_tmp $md5_rt_result $img_ver $2
+
+# Post processing (for future extension consideration)
+
+echo "Successfully updated image $1!!"
+
diff --git a/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/fwu_ver b/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/fwu_ver
new file mode 100644
index 0000000..0eacf83
--- /dev/null
+++ b/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/fwu_ver	
@@ -0,0 +1 @@
+v4.4.9.1623-46a.230301.1135
diff --git a/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/md5.txt b/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/md5.txt
new file mode 100644
index 0000000..ef8c1f4
--- /dev/null
+++ b/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/md5.txt	
@@ -0,0 +1,5 @@
+c5a5eb8526f42cb3f7efb9bf88c315ed  fwu.sh
+bac7d1e39669070b16448e46b6d8f4c2  rootfs
+813047506b56d4b5b6a19cd798a38ed6  uImage
+78be7f5c3b339fdc89f4f3de9b07b470  fwu_ver
+1041797d8f2c31e294c1ff1f7517caef  plr.img
diff --git a/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/plr.img b/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/plr.img
new file mode 100644
index 0000000..a924c7c
Binary files /dev/null and b/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/plr.img differ
diff --git a/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/rootfs b/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/rootfs
new file mode 100755
index 0000000..b4aafc8
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diff --git a/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/uImage b/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/uImage
new file mode 100644
index 0000000..3645ba2
Binary files /dev/null and b/Original Firmwares/v4.4.9.1623-46a.230301.1135/extracted/uImage differ