Linksys MR7350 Revert to Stock from OpenWrt | Complete Step-

Step #1 Download the stock firmware from Linksys for your MR73XX:

https://support.linksys.com/kb/article/947-en/

Create a new folder in your Downloads folder called MR7350

and place the firmware file in the new MR7350 folder. 

Step #2 Do Windows search for CMD and open as Administrator

Change to directory where the file is (see video for this step)

https://youtu.be/TLk84Ym-HqQ?si=pCrZrTb4_GYiSLHO&t=248

Once you are in the right directory Copy & Paste the following:

 (scp -O FW_MR7350_1.1.7.209317_prod.img root@192.168.1.1:/tmp)

Press enter to execute the command.

Step #3

Type (ssh root@192.168.1.1) into the CMD window (or copy & paste it)

Press enter to execute the command. Log into your router.

Type (fw_printenv -n boot_part) (or copy & paste it)

Press enter to execute the command.

This will output  1 OR 2 Take note.

If (fw_printenv -n boot_part) gave you a (1) Go to Part #1

If (fw_printenv -n boot_part) gave you a (2) Go to Part #2

PART #1

If (fw_printenv -n boot_part) gave you a (1)

1. Go to the temporary folder:

Type (cd /tmp) press enter

#This creates the 8MB Kernel piece. Copy & paste the following:

dd if=FW_MR7350_1.1.7.209317_prod.img bs=8M count=1 of=kernel_piece.bin

press enter

# This creates the rest (the Rootfs piece). Copy & paste the following:

dd if=FW_MR7350_1.1.7.209317_prod.img bs=8M skip=1 of=rootfs_piece.bin

press enter

# Flash the small piece to the kernel slot. Copy & paste the following:

mtd -e alt_kernel write kernel_piece.bin alt_kernel

# Flash the big piece to the rootfs slot. Copy & paste the following:

mtd -e alt_rootfs write rootfs_piece.bin alt_rootfs

press enter

# Set router to boot to the partition you just flashed. Copy & paste the following:

fw_setenv boot_part 2 (press enter)

reboot (press enter) The router will reboot into the Stock Linksys firmware

Follow the video from this point. 

https://youtu.be/TLk84Ym-HqQ?si=mQn80H7GWihOGuav&t=637

Part #2

If fw_printenv -n boot_part gave you a (2)

1. Go to the temporary folder:

Type (cd /tmp) press enter

#This creates the 8MB Kernel piece. Copy & paste the following:

dd if=FW_MR7350_1.1.7.209317_prod.img bs=8M count=1 of=kernel_piece.bin

press enter

# This creates the rest (the Rootfs piece). Copy & paste the following:

dd if=FW_MR7350_1.1.7.209317_prod.img bs=8M skip=1 of=rootfs_piece.bin

press enter

# Write the small piece to the primary kernel slot. Copy & paste the following:

mtd -e kernel write kernel_piece.bin kernel

press enter

# Write the big piece to the primary rootfs slot. Copy & paste the following:

mtd -e rootfs write rootfs_piece.bin rootfs

press enter

# Set router to boot to the partition you just flashed. Copy & paste the following:

fw_setenv boot_part 1 (press enter)

reboot (press enter) The router will reboot into the Stock Linksys firmware

https://youtu.be/TLk84Ym-HqQ?si=mQn80H7GWihOGuav&t=637