1. Windows Central Question's Avatar
    Today i tried to downgrade from Wp10 to Wp8.1 using WPRT but it bricked my Lumia 640. The phone does not respond to anything and the screen stays black. Now it shows as QHSUSB_BULK in device manager when i connect te phone to my pc. WPRT says "The connected device cannot be recovered" when i try to recover it.
    I also tried to recover it with the THOR2 method but it give error code "HOR2_EMERGENCYFLASHV1_ERROR_XML_PARSING_FAILED" when i run the command "thor2 -mode emergency -hexfile C:\lumia\HEX.hex -mbnfile C:\lumia\GPT0.bin -orig_gpt". Is there any solution to my problem?
    06-16-2015 02:28 AM
  2. charlatan1978's Avatar
    My Lumia 625 was stuck on the Nokia logo after rolling back to WP8.1.
    I did a soft reset (Power + volume down) and then it loaded ok.
    Harrie-S likes this.
    06-16-2015 06:10 AM
  3. Vijay Wilfred's Avatar
    from where you got your HEXfiles ?
    07-21-2015 11:32 PM
  4. miguel11691's Avatar
    Use nav to get your software for your phone... Then hold the power and up bottom with the device off... Once ur phone vibrates let go of the power button... Your phone should show a lightning bolt... Install WPID and use that to install the software you got from nav... You should be fine after that....
    07-22-2015 04:59 AM

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