How to factory reset KOOLNEE K3? How to wipe all data in KOOLNEE K3? How to bypass screen lock in KOOLNEE K3? How to restore defaults in KOOLNEE K3?
The following tutorial shows all method of master reset KOOLNEE K3. Check out how to accomplish hard reset by hardware keys and Android 8.0 Oreo settings. As a result your KOOLNEE K3 will be as new and your MediaTek MT6750T core will run faster.