OverviewNokia 5800d-1bTube

Turn off the device. Hold down the Green button and the Red button, the Camera button and the Power button for a few seconds. Once the Nokia logo appears, release the buttons. Good job! You have successfully...

The device must be turned on. Using the Dialer or keyboard, enter the proposed code: *#7370#. Then enter your password or the default one: 12345. That's it! After these steps, the device will be reset.

From the Home Screen, open "Settings". In Settings select "Phone" and "Phone management". After that, choose "Factory settings". Press "Delete data and restore" to...