: Flash custom recovery images (like TWRP) to enable advanced modifications.
: Install official stock ROMs or custom firmware. s p flash tool
(For functionality, but 3/10 for usability). : Flash custom recovery images (like TWRP) to
: Revive "dead" devices that won't boot or are stuck in boot loops. s p flash tool
: Manually move to a newer or older Android version by loading the specific firmware package.