How to factory reset ALLCALL S5500? How to wipe all data in ALLCALL S5500? How to bypass screen lock in ALLCALL S5500? How to restore defaults in ALLCALL S5500?
The following tutorial shows all method of master reset ALLCALL S5500. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your ALLCALL S5500 will be as new and your MediaTek MT6580M core will run faster.
Allcall Madrid HARD RESET - video