Instruction 1:
1. Power up the phone.
2. Press both Power and Volume Down buttons for ten seconds.
3. Your phone will now reset and restart. Yay.
Instruction 2:
1. Hi. Please, remove the phone's back cover and battery.
2. Spend five seconds on contemplating the beauty of the world. Afterwards, put the phone back together and press the Power button. Well done, the soft reset is complete.