How to factory reset KOOBEE S12? How to wipe all data in KOOBEE S12? How to bypass screen lock in KOOBEE S12? How to restore defaults in KOOBEE S12?
The following tutorial shows all method of master reset KOOBEE S12. Check out how to accomplish hard reset by hardware keys and Android 6.0 Marshmallow settings. As a result your KOOBEE S12 will be as new and your MediaTek MT6750 core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.