Hard Reset HUAWEI Ascend P7 mini

First method:

1. Turn off your device.
2. Press and hold  Volume Up + Power at the same time for a few seconds.
3. When you see Huawei Logo leave Power button.
4. Press Volume Down to choose "wipe data/factory reset", and then push the Power button to confirm.
5. Select "Yes--delete all user data". Use Volume Down button to scroll and Power key to select.
6. To restart the phone, select "reboot system now".
7. Success! The hard reset is done!

Second method:

1. Press the Power button, until your device is on.
2. Then from the home screen open Menu and choose Settings.
3. Select Tab "All"
4. After that select Privacy and tap Factory data reset.
5. Choose Reset phone and select Erase everything to begin hard reset operation.

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