How to factory reset LAVA Z40? How to wipe all data in LAVA Z40? How to bypass screen lock in LAVA Z40? How to restore defaults in LAVA Z40?
The following tutorial shows all method of master reset LAVA Z40. Check out how to accomplish hard reset by hardware keys and Android 8.1 Go Edition settings. As a result your LAVA Z40 will be as new and your Spreadtrum SC9832E core will run faster.