Reinstalls the operating system (Windows Phone or Asha OS).
If the tool does not detect your phone automatically, click "My phone does not start up" . Nokia Software Recovery Tool 6.2.55 Download -EXCLUSIVE
If you are trying to recover a (Windows Phone), NSRT may direct you to use the Windows Device Recovery Tool instead. WDRT was specifically designed for the Lumia 520, 1020, and other Windows-based models. Reinstalls the operating system (Windows Phone or Asha OS)