This leaves the system partition untouched (clean) but gives you root access and dm-verity disable.
Always backup your current ROM before flashing. If the preloader is corrupted, you may need to use the Test Point method with SP Flash Tool to revive the unit. android yt9216bj00012v001 patched
: Format a USB drive to FAT32 and copy the update files to the root directory. Execute Update : Plug the USB into the head unit. Navigate to Settings > System Info > Android Upgrade . This leaves the system partition untouched (clean) but