Instruction I:
1. Hold down the Power button in order to power down the device.
2. Press the Power button again to power up the phone.
3. Unless you pressed the Power button wrong, your phone should turn back on. The soft reset is complete.
1. Begin with some manual work. Carefully remove the device's back cover and battery.
2. Do nothing for five seconds and then put everything back in place. Press the Power button.