How to factory reset ULEFONE N9189? How to wipe all data in ULEFONE N9189? How to bypass screen lock in ULEFONE N9189? How to restore defaults in ULEFONE N9189?
The following tutorial shows all method of master reset ULEFONE N9189. Check out how to accomplish Hard Reset by hardware keys and Android 4.1 Jelly Bean settings. As a result your ULEFONE N9189 will be as new and your MediaTek MT6589 core will run faster.