How to factory reset SYMPHONY Z15? How to wipe all data in SYMPHONY Z15? How to bypass screen lock in SYMPHONY Z15? How to restore defaults in SYMPHONY Z15?
The following tutorial shows all method of master reset SYMPHONY Z15. Check out how to accomplish hard reset by hardware keys and Android 9.0 Pie settings. As a result your SYMPHONY Z15 will be as new and your Unisoc SC9863A core will run faster.