Use R&D mode and set the RD flag no-lifeguard-reset Basically: Code: flasher-3.5 --enable-rd-mode --set-rd-flags=no-lifeguard-reset This should kill the watchdog, and you should be able to boot up fine and reverse the changes.
flasher-3.5 --enable-rd-mode --set-rd-flags=no-lifeguard-reset