1. To reset your device, press the Power key for around 12 seconds, or until you feel a vibration.
2. Your phone should now power on and resume functionality.
3. If this does not work, there is a RESET button located behind the SIM/SD door on the back of the device.
4. Use a paperclip to press this down for 5 seconds, or until you feel a vibration.
5. The device will now shut down.
6. Finally, Power on your phone.