Instruction I:


1. First, press'n'hold the Power button until your phone turns off.

2. Second, turn the phone back on - press the Power button again.
3. You have completed the soft reset. Yeah, it is that easy.

Instruction II:


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.