These are instructions on how to flash or install stock firmware on any Windows Phone using the Windows Phone Image Designer Tool.

Note: This tool is designed to work on Windows 8 and Windows 10 Phone Only. If you are Android Device Holder, then this tool is not meant for you.

Use Windows Phone Image Designer Tool

  1. Download and extract Phone Image Designer Tool on your Windows Computer. After Extracting you will be able to see the following files:
  2. Windows Phone Image Designer Tool files

  3. From the Driver Folder run installsimpleio.bat file to install the Windows Phone Driver.
  4. windows phone image designer driver

  5. Connect your Windows Phone to the Computer.
  6. Mobile USB Computer

  7. Open the Phone Image Designer Tool (if you have 32 Bit Computer then Open Phone Image Designer Tool > 32 > ImageDesigner > start.bat file OR if you have 64 Bit Computer then Open Windows Phone Image Designer Tool > 64 > ImageDesigner > start.bat).
  8. start windows phone image designer

  9. Once Windows Phone Image Designer Tool is launched you will be able to see the following screen:
  10. windows phone image designer

  11. Now, Select Flash a Windows Phone image onto your phone Option and Click on Next Button.
  12. flash windows phone image designer

  13. Now, Click on Change Option.
  14. change windows phone image designer

  15. Now, Locate the Stock Firmware that you want to flash on your Windows Phone (.ffu file).
  16. select ffu windows phone image designer

  17. Once you have successfully added the stock firmware on Phone Image Designer Tool then you are ready to flash it on your device. Now, Click on Flash Button to Proceed.
  18. firmware loaded windows phone image designer

  19. Now, Phone Image Designer Tool will start the flashing process and let may take up to 5-10 minutes to complete.
  20. flashing windows phone image designer

  21. Once Flashing Process is completed you will be able to see the Congratulations! Your Device has been successfully flashed with the image you selected Message.
  22. windows phone image designer success

  23. Now, Disconnect your Device from the Computer and Reboot it.
  24. Disconnect Mobile Computer

    Congratulations! Post Rebooting the device you are ready to use it normally.


[*] The Above Tool was tested working while flashing the stock firmware on Karbonn Wind 4 Smartphone.

[*] Works for all Windows Phone: The above tool allows you to flash stock firmware on all Windows Phone including Windows Lumia, Nokia Lumia, and others.

[*] Windows Phone Driver: If you are looking for the Windows Phone Driver, then head over to Windows Phone Driver page.

[*] Credits: Windows Phone Image Designer Application is created and distributed by Microsoft Inc. So, full credit goes to them for sharing the tool for free.