The device must be turned off. Press and hold the Volume keys, the Call button, the Lock key, and the Power button at the same time. Wait...
Turn off the device. Hold down the Green button and the Red button, the Camera button and the Power button for a few seconds. Once the Nokia...
With the device turned on, hold down the Volume Down key, the Camera key, the Home key, and the Power key. Release all the keys as soon as the...
The device must be switched on. Press and hold the Green button, the Red button and the Camera button for a while. Once you see the Nokia...
The device must be on. Hold down the Volume Down button, the Camera button, and the Menu button at the same time. To complete the process,...
With the phone turned off, hold down the Volume Up button. Then quickly connect the phone to your PC using the USB cable. Release the button...