Hard Reset on Huawei U8951

How to Hard Reset on Huawei U8951 Ascend G510?

Make sure you turned off the device.
Hold down the Volume Up key and the Power button.
Wait until Android Recovery menu appears and then release the keys.
Next select "wipe data/factory reset" using the Volume keys and the Power button.
Choose "yes - delete all user data" using the same keys.
Press "reboot system now" to finish the process.
That's all! After a Hard Reset, the memory of your phone cannot be restored.