How to factory reset GIONEE Marathon M3? How to wipe all data in GIONEE Marathon M3? How to bypass screen lock in GIONEE Marathon M3? How to restore defaults in GIONEE Marathon M3?
The following tutorial shows all method of master reset GIONEE Marathon M3. Check out how to accomplish hard reset by hardware keys and Android 4.4 KitKat settings. As a result your GIONEE Marathon M3 will be as new and your MediaTek MT6582 core will run faster.
BacBa - Hard Reset Gionee Marathon M3 - video
Gionee Marathon M3 Hard Reset - video
Hard Reset will erase all of your data
All described operations you are doing at your own risk.