Procedure:
Tools Needed
Usb Cable
Unlocktool
FACTORY RESET
1. Open Unlocktool
2. Select Tab OPPO
3. Search model OPPO A83
4. Select SAFE FORMAT (KEEP DATA)
5. BootKey Vol Up and Down
6. Salpak USB
Done
FOR FRP
Just Dial
*#813#
Tools Needed
Usb Cable
Unlocktool
FACTORY RESET
1. Open Unlocktool
2. Select Tab OPPO
3. Search model OPPO A83
4. Select SAFE FORMAT (KEEP DATA)
5. BootKey Vol Up and Down
6. Salpak USB
Done
FOR FRP
Just Dial
*#813#