Make sure the device is turned off. Put your device on a charger. Hold down the Volume Up key and the Power button. Release all the keys...
Turn off the phone. Put your device to charge. Press and hold the Volume Up key and the Power button. When the Recovery Mode appears, release...
The device must be turned on. Hold down the "*" key, the "3" key, the Call button, and the Power button at the...
Press the Power button to turn off your phone. Then hold down the "*" key, the "3" key, the Call button, and the...