How to factory resetPOLYTRON R2507? How to wipe all data in POLYTRON R2507? How to bypass screen lock in POLYTRON R2507? How to restore defaults in POLYTRON R2507?
The following tutorial shows all method of master reset POLYTRON R2507. Check out how to accomplish hard reset by hardware keys and Android 5.0 Lollipop settings. As a result your POLYTRON R2507 will be as new and your Spreadtrum SC7731G core will run faster.
At the beginning switch the cell phone off.
In the next step hold down the Volume Down+ Power simultaneously for about 10 seconds.
When an Polytron logo image displays you can release held keys.
In order to choose "wipe data/factory reset" use the Volume Down to navigate and the Power button to confirm.
Success! Your phone should begin the hard reset operation.