Instruction I:


1. Press and hold the Power button until a menu shows. Now choose the Power off option.
2. Now turn the phone back on - press the Power button.

3. The soft reset is complete. Great.

Instruction II:


1. Lets get started. Remove the phone's back cover and pull out the battery.
2. Wait a few seconds. Now put the battery and the cover back in and press the Power button.