1. kpulak's Avatar
    Yesterday I have upgraded my Lumia 920 to Windows 10 preview. Now, it is not working. It seems dead now. The screen is total black. I have tried to reset and restart the phone, but no use.

    Is it still any way to go back and downgrade to WP 8.1? Please help.
    04-13-2015 01:21 AM
  2. rajthampi's Avatar
    Have your tried "Lumia Software Recovery Tool"? Install the latest version, plug your phone to your computer and check whether the phone is detected. Else follow "My phone is not recognized". If it's not truly bricked, you will able to rollback to Windows Phone 8.1. All the best :)

    Edit: adding link to topic covering rolling back WP8.1

    How to roll back from Windows 10 Preview to Windows Phone 8.1 | Windows Central
    04-13-2015 01:35 AM
  3. Jeff Erson's Avatar
    Yesterday I have upgraded my Lumia 920 to Windows 10 preview. Now, it is not working. It seems dead now. The screen is total black. I have tried to reset and restart the phone, but no use.

    Is it still any way to go back and downgrade to WP 8.1? Please help.
    My Lumia 920 did also had a black screen after updating to Windows 10 TP. It was fixed after a couple (5 or 6?) of hard reset using button combinations.

    Try reading some comments from here: http://forums.windowscentral.com/win...rt-screen.html
    04-13-2015 02:46 AM
  4. Juan08C's Avatar
    My Lumia 920 did also had a black screen after updating to Windows 10 TP. It was fixed after a couple (5 or 6?) of hard reset using button combinations.

    Try reading some comments from here: http://forums.windowscentral.com/win...rt-screen.html
    Please help! Exactly what did you do? My phone was working fine until it froze and I was able to shut it down, but now it won't turn on even with the button combos.
    04-14-2015 03:34 PM
  5. Jeff Erson's Avatar
    Please help! Exactly what did you do? My phone was working fine until it froze and I was able to shut it down, but now it won't turn on even with the button combos.
    I did hard reset, check screen if OK, if not, hard reset again. Check this link to reset your phone (button combinations): https://www.windowsphone.com/en-US/h...reset-my-phone

    If hard reset doesn't work, then try reverting to 8.1. Here's a link for the guide: How to roll back from Windows 10 Preview to Windows Phone 8.1 | Windows Central

    If all fails, there's nothing else that I could do to help you. Just buy a new Windows Phone to increase our share.
    kpulak likes this.
    04-15-2015 12:21 AM
  6. kpulak's Avatar
    Hi Jeff,

    A couple of hard reset worked
    Jeff Erson likes this.
    04-16-2015 11:09 AM
  7. Jeff Erson's Avatar
    Hi Jeff,

    A couple of hard reset worked
    Wow! Good to hear that.
    04-16-2015 09:16 PM

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