Oppo A57 CPH2387 Erasing FRP Done
-Unlocktool
-MEDIATEK
-Check Custom Preloader | EMI
*Select Model
-Click BOOT DEVICE
-Connect Device
-Bootkey Vol up & down
-Then Click ERASE FRP
-Unlocktool
-MEDIATEK
-Check Custom Preloader | EMI
*Select Model
-Click BOOT DEVICE
-Connect Device
-Bootkey Vol up & down
-Then Click ERASE FRP