How to factory reset OALE X4? How to wipe all data in OALE X4? How to bypass screen lock in OALE X4? How to restore defaults in OALE X4?
The following tutorial shows all method of master reset OALE X4. Check out how to accomplish hard reset by hardware keys and Android 6.0 Marshmallow settings. As a result your OALE X4 will be as new and your MediaTek MTK6739 core will run faster.