How to factory reset IRBIS SP510? How to wipe all data in IRBIS SP510? How to bypass screen lock in IRBIS SP510? How to restore defaults in IRBIS SP510?
The following tutorial shows all method of master reset IRBIS SP510. Check out how to accomplish hard reset by hardware keys and Android 7.0 Nougat settings. As a result your IRBIS SP510 will be as new and your Spreadtrum SC7731C core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.