How to factory reset HIKING A21? How to wipe all data in HIKING A21? How to bypass screen lock in HIKING A21? How to restore defaults in HIKING A21?
The following tutorial shows all method of master reset HIKING A21. Check out how to accomplish hard reset by hardware keys and Android 9.0 Pie settings. As a result your HIKING A21 will be as new and your MediaTek Helio P23 core will run faster.