Go to "Settings" and select "Backup&Reset". Then tap "Factory data reset" and choose "Reset device". Finally,...
Switch on the phone. Now press "Settings" and select "Additional settings". Next go to "Backup&Reset", then choose...
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...