If after a hard reset the buttons still don't work, the problem is hardware. If it is still under warranty, contact Nokia for repair. If not, hopefully you've got insurance on the phone. Also, there are plenty of indie repair providers out there - you could check with them for a cost estimate, should you not be covered by insurance. We checkout how to factory Reset Nokia Lumia 520 Windows Phone 8 back to Factory Settings erasing or deleting all the data on the device.Want any help with How to root Nokia Lumia 625 with Computer (via Windows Phone Internals) Before starting the rooting process, follow these steps. 1. Backup Your Device. 2. Make sure your battery is charged to 90%. 3. Just to be safe, reboot your device. Rooting via Windows Phone Internals. How to hard reset NOKIA Lumia 520. First of all, power off the phone by using the Power button. In the next step press and hold the Power key for a short moment. Release the Power button as soon as phone vibrates and start holding Volume Down key. When the exclamtion mark appears on the screen release held key. 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, t Disconnect your phone from the computer. Turn on the phone by holding the power button. Connect your phone to the computer and choose PC Suite or Ovi Suite. Click on the Flash icon and the operation will be continuing. If your phone while flashing switches on and does not want to turn back on, do the following steps: How to soft reset a Windows Phone Nokia Lumia After it freezes or becomes unresponsive. Usually no saved data is lost. How to Hard Reset on Nokia 800? When the device is turned off, hold down the Volume Up key, the Camera key, and the Power key at the same time. Release only the Power key when the device vibrates. Wait for a while until the operation completes. .

nokia lumia 625 hard reset