How to factory reset GIONEE H66? How to wipe all data in GIONEE H66? How to bypass screen lock in GIONEE H66? How to restore defaults in GIONEE H66?
The following tutorial shows all method of master reset GIONEE H66. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your GIONEE H66 will be as new and your core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.