To enter the Android System Recovery mode, follow these steps: Turn the device off. Press the Volume Up Key and then press the Power/Lock Key at the same time until the device switches on. (Tip: Volume Up is the end closest to the Power/Lock Key.) Once the SAMSUNG logo appears, release the Power/Lock key while continuing to press the Volume Up key. Continue to press the Volume Up key until the Android system recovery screen displays. Release the Volume Up key.