how to hard reset a lumia 1520
Turn off your Nokia Lumia 1520. Press and hold the following buttons Camera + Volume down + Power until your phone vibrates, then release only the Power key and keep pressing the Camera + Volume down for a couple of seconds 4-5s until the phone reboots. Do not forget to check for updates Go to.urn off your Nokia Lumia 1520. Press and hold the following buttons Camera + Volume down + Power until your phone vibrates, then release only the Power key and keep pressing the Camera + Volume down for a couple of seconds 4-5s until the phone reboots. Do not forget to check for updates Go to.