There are 2 methods to make factory data reset on your phone: Method 1: Under power on mode
Please go to menu->“Settings” ->“Privacy” ->“Factory data reset;
Method 2: Under power off mode
Turn off the handset, press the volume up key and the Power key at the same time for a few seconds until you see the reset interface, then press “Home” key ->select “wipe data/factory reset” via volume key -> Press “power” key to confirm -> Select “Yes –delete all user data” -> Press “power” key to confirm again -> Please select “reboot system now” and press “power” key to confirm to reboot your phone. The handset can be used without screen unlock pattern after its reboot.
Please note that factory data reset will erase all data from your phone. If you want to quit it before performing factory reset, you can select “reboot system now” or remove the battery and re-insert it, then restart the phone.
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