How to hard reset Huawei Ascend Y550 ???
First method :
1. Firstly, turn off the cell phone.
2. Then hold and press Volume Up + Power button until you see Adnroid logo on your screen.
3.Select using Volume buttons option "wipe data/factory reset", and confirm that with Power button.
4. Choose "yes" from the menu, and accept it with Power button.
5. Now accept option "reboot system now" using Power button.
6. Success!
Second method:
1.I f the display is off, press the Power to turn it back on .