Go to "Settings" and then select "Additional settings". In "Additional settings" choose "Backup&Reset". Now...
Go to "Settings" and then press "General". Next select "Backup&Reset" and press "Restore Factory Settings". Finally,...
The phone must be on. Go to "Setting". Then choose "Additional settings" and press "Backup&Reset". Now go for...
Switch on the device and go to "Settings". Here press "Backup&Reset" -> "Factory data reset". Then...
Make sure you turned off the phone, then hold down the Volume Up key and the Power button. Next, wait until the "Android" logo appears...
When you turn off the phone, press and hold the Volume Down key and the Power button. Wait until a logo appears and then release the keys. Now...