How to factory reset LAVA Z91? How to wipe all data in LAVA Z91? How to bypass screen lock in LAVA Z91? How to restore defaults in LAVA Z91?
The following tutorial shows all method of master reset LAVA Z91. Check out how to accomplish hard reset by hardware keys and Android 7.0 Nougat settings. As a result your LAVA Z91 will be as new and your MediaTek MT6739 core will run faster.
Lava Z60 - Unlock Pattern Lock By HardReset - video