1. Open Unlocktool
2. Click Brand Oppo
3. Search Oppo A16k preloader
4. Click [PRELOADER] FACTORY RESET + FRP
5. Boot Key press and hold volume up and down and connect usb cable and wait until it done...
2. Click Brand Oppo
3. Search Oppo A16k preloader
4. Click [PRELOADER] FACTORY RESET + FRP
5. Boot Key press and hold volume up and down and connect usb cable and wait until it done...