pwede mo gawin yan kung unlocked ang bootloader ng cp mo then gamitin mo eh custom rom
BUT first ask yourself... is it worth it?
kung hindi then huwag na lang
No, data wipe is mandatory to work the newly flashed OS upon first boot without problems (either changing or downgrading Android OS version), otherwise, result to bootloop
No, data wipe is mandatory to work the newly flashed OS upon first boot without problems (either changing or downgrading Android OS version), otherwise, result to bootloop