Huawei Ascend G615 hard reset using buttons
If your phone is responding to screen input, then open Settings from the Applications menu. Tap Backup & reset > Factory data reset; click Reset phone and then Erase everything to format your phone.Restoring Factory Settings
Restoring your phone to its factory settings erases all your personal data from the phone memory, including
information about your accounts, your system and application settings, and downloaded applications.
1. On the Settings screen, touch Backup & reset > Factory data reset.
2. Touch Reset phone according to the onscreen instructions. Touch Erase everything. The phone is
reset to its factory settings, and then restarts.
Back up important data on your phone before restoring factory settings. To do so, on the Settings screen, touch
Backup & reset > Factory data reset > Reset phone > Backup data.
Unlocking Your Mobile Phone If You Forget the Screen Lock Pattern
If you have already created a Google account, you can unlock your mobile phone
using the following methods.
After you have entered the wrong sequence five times, a Forgot pattern? button will appear. Touch this button to enter the Google account interface. After you have entered your Google account password, you will be able to reset the unlock pattern.
After you have entered the wrong pattern twenty times, you will be taken directly to the Google account interface. After you have entered your Google account password, you will be able to reset the unlock pattern.