How to factory reset IRBIS TZ198 3G? How to wipe all data in IRBIS TZ198 3G? How to bypass screen lock in IRBIS TZ198 3G? How to restore defaults in IRBIS TZ198 3G?
The following tutorial shows all method of master reset IRBIS TZ198 3G. Check out how to accomplish hard reset by hardware keys and Android 7.0 Nougat settings. As a result your IRBIS TZ198 3G will be as new and your MediaTek MT8321 core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.