How to factory reset GOOWEEL S9? How to wipe all data in GOOWEEL S9? How to bypass screen lock in GOOWEEL S9? How to restore defaults in GOOWEEL S9?
The following tutorial shows all method of master reset GOOWEEL S9. Check out how to accomplish hard reset by hardware keys and Android 5.1 Lollipop settings. As a result your GOOWEEL S9 will be as new and your MediaTek MT6580M core will run faster.