How to factory reset ALLCALL A1? How to wipe all data in ALLCALL A1? How to bypass screen lock in ALLCALL A1? How to restore defaults in ALLCALL A1?
The following tutorial shows all method of master reset ALLCALL A1. Check out how to accomplish hard reset by hardware keys and Android 6.0 Marshmallow settings. As a result your ALLCALL A1 will be as new and your Spreadtrum SC7731C core will run faster.