Boot ka po muna sa recovery mode.
Kaso, since 'di ako familiar sa device, try mo na lang 'to, either one of the following po:
Turn off mo muna yung device. Then habang naka-off, do one of the following:
Dapat may makita kang recovery mode. Select mo muna yung option na reboot.
- Hold Volume Up + Power
- Hold Volume Up + Power + Home
- Hold Volume Down + Power
- Hold Volume Down + Power + Home
Kapag ayaw pa rin, recovery mode ka ulit. Tapos select mo na yung wipe data/factory reset.