How to factory reset ULEFONE N9389? How to wipe all data in ULEFONE N9389? How to bypass screen lock in ULEFONE N9389? How to restore defaults in ULEFONE N9389?
The following tutorial shows all method of master reset ULEFONE N9389. Check out how to accomplish hard reset by hardware keys and Android 4.1 Jelly Bean settings. As a result your ULEFONE N9389 will be as new and your MT6589 core will run faster.