How to factory reset KOOBEE F1? How to wipe all data in KOOBEE F1? How to bypass screen lock in KOOBEE F1? How to restore defaults in KOOBEE F1?
The following tutorial shows all method of master reset KOOBEE F1. Check out how to accomplish hard reset by hardware keys and Android 6.0 Marshmallow settings. As a result your KOOBEE F1 will be as new and your MediaTek MT6750 core will run faster.