1. Windows Central Question's Avatar
    i am trying to previous 10 to 8.1 and thats on now my lumia 630 is dead its not powering on shown on computer the sound of connect and discinnect
    09-13-2016 03:50 AM
  2. Maurizio Troso's Avatar
    i am trying to previous 10 to 8.1 and thats on now my lumia 630 is dead its not powering on shown on computer the sound of connect and discinnect
    Try the hard reset key sequence. Unplug changer, then keep holding volume up and plug charger
    Wait till a I mark appears, then leave button.
    Press one key once: vol up, vol down, power, vol down. Gears should appear.

    Wait till process end
    09-13-2016 03:58 AM
  3. Chintan Gohel's Avatar
    i am trying to previous 10 to 8.1 and thats on now my lumia 630 is dead its not powering on shown on computer the sound of connect and discinnect
    try the hard reset or using windows device recovery tool


    Hard Reset really should be a last resort. Use Hard Reset when the phone is completely unresponsive and no other method will work.
    • Power off the phone > hold Volume Down > press Power > keep holding Volume Down until you see the exclamation (!) screen, then immediately release the Volume Down
    • Now tap Volume Up / Volume Down / Power / Volume Down
    • You should see the spinning gears and your phone will reflash the last OS version held in recovery. You do loose data, but get your phone back. Sign into your Microsoft Account and restore your backup during the set up.


    Factory Reset is Done through Settings > About > Reset your phone (8 & 8.1) or Settings > System > About > Reset your phone (W10M).

    • You should see the spinning gears and your phone will reflash the last OS version held in recovery. You do lose data, but get your phone back. Sign into your Microsoft Account and restore your backup during the set up.


    In case of Hard Reset & Factory Reset the phone goes back to the exact version you were running when you performed the reset.


    WDRT For right now, Windows Device Recovery Tool is only flashing 8.1 to models that did not launch with 10 so it is the way to revert if you don't care for W10M: Windows Device Recovery Tool FAQ

    If you need additional help or have more questions or details to share, please join the site so you can reply in this thread. See this link for instructions on how to join Windows Central.
    09-13-2016 08:23 AM

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