To restore the phone to its initial condition you need to reflash it with different full stock (original) firmware (or try to write only boot of such firmware).Īlso note: You can write 'boot.img' combination firmware or downgrade phone's firmware version only at your own risk! In that case phone will freeze on logo, or will be rebooting after writing of such boot. Note: 'boot.img' from combination firmware can be not compatible with current phone's firmware.

Reflash the phone with full stock (original) firmware.

Go to 'Developer Options' in the phone’s Settings.Perform 'Reset FRP ADB (Combination)' operation in the software.Write 'boot.img' partition from appropriate Combination firmware.To Reset FRP lock using combination firmware, you can try to do the following: This operation will not reset/delete device user data. Press and hold “Volume-“ + “Power ON” keys for 15-20 seconds, Software will automatically close wizard window and will perform the reset FRP lock.Ģ.After Software request disconnect USB cable and connect Samsung Micro UART cable.Press “Reset FRP UART (UFS chips)” button.Put the phone in Download Mode (power off the phone, press and hold 'Volume-' + 'Home' + 'Power ON' buttons) and connect USB cable.To perform “Reset FRP UART (UFS chips)” operation, do the following steps: Octoplus FRP Tool allows you to reset Google Factory Reset Protection (FRP) for Samsung, Huawei, LG, Alcatel, Motorola cell phones.

Samsung j250f frp unlock tool