Serial UART, Dropbear and Transmission for MR7350.
Serial UART -> Serial UART.png
mkdir /tmp/var/config/opt
cd tmp
curl -LJOk https://github.com/christo-nedev/linksys-mr7350/archive/refs/heads/main.zip
unzip linksys-mr7350-main.zip -d /tmp/var/config/opt
rm linksys-mr7350-main.zip
ln -s /tmp/var/config/opt/etc/registration.d /tmp/var/config/run_script
reboot