In this Tutorial I will show you how to hard reset Nokia Lumia 520 (Windows 8 mobile).You can use this operation to fix issues like freezing, running slow, to remove a file or virus or to clear the memory space or if you forget your security code or pin code.
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Warning! Do this at your own risk! All your phone data (contacts,photos,videos,music,messages,aplications,games,files,) will be lost! Please make backup first if you can!
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1.Power off your phone
2.Press power button and after phone vibrates once press volume down until you will see exclamation sign on the screen
3.Press in this order:volume up
volume down
power
volume down
4.Wait until format ends and the phone restarts
That's it

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