How to factory reset IRBIS SP402? How to wipe all data in IRBIS SP402? How to bypass screen lock in IRBIS SP402? How to restore defaults in IRBIS SP402?
The following tutorial shows all method of master reset IRBIS SP402. Check out how to accomplish hard reset by hardware keys and Android 8.1 Go Edition settings. As a result your IRBIS SP402 will be as new and your MediaTek MT6580 core will run faster.