1. andy1008's Avatar
    Hello! I downloaded Windows 10 Tech Preview yesterday on my Lumia 1520 and its not working properly. Wants to revert back to previous settings (i.e 8.1). I downloaded Windows Phone Recovery Tool but it is not updating stating that one file/directory is corrupt. What to do to go backwards to Windows 8.1?
    06-24-2015 11:21 PM
  2. Harrie-S's Avatar
    Some possible fixes
    Uninstall and reinstall.
    Try LSRT.
    Check if your firewall or virus scanner causes this issue
    Try on another computer (at home or at a different place).

    Good luck.
    andy1008 likes this.
    06-25-2015 01:43 AM
  3. andy1008's Avatar
    Did through Lumia Software Recovery Tool and could roll back to 8.1. Thanks a ton.
    06-25-2015 09:43 AM

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