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. If the display is off, press the Power to turn it back on.
2. Afterwards choose from menu Settings  and tap Back up and reset
3. Then select Reset and choose Factory data reset.
4. Confirm all informations, and wait until your phone will reset and reboot itself.
5. Well done!

WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.