I can't use the power button on my Lumia 520 for anything. It's dead after the Lumia Black update.

How can I solve this?

  • 3
    Are you sure it's not a physical damage? – N K Apr 23 '14 at 12:29
  • Sometimes the buttons on my daughter's 520 get stuck because the back cover. It works without the cover? – Vitor Canova Aug 1 '14 at 10:30

This is probably a bug . If your Lumia 520 does not wake up, you can force a reboot or soft reset or hard reset. This is possible by holding down the Volume Down and Power buttons together for about 15 seconds or until you feel the phone vibrate. Also you can report it to windows phone developers.

  • This worked for me on my Lumina 820 until I got fed with having to soft reset all the time to turn on the phone. – GaMERCaT Feb 27 '15 at 18:12

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