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  1. Kartik Kohli's Avatar
    Hello Community,
    I updated my Lumia 520 to Windows 10 mobile yesterday. But due to continuous lag I decided to roll back to Wp8.1 using Windows phone recovery tool. It as usual downloaded 1.5Gb software and then started installing it on my device(Phone display turned red and there was installation progress bar). But after 6% installation "Error came on pc software written failed or something like that. Usb disconnected." Though i dont remember the exact words,but it meant this only. So i again started the installation an it started again from fresh. But same thing happened after 3% it again failed. And i again tried restarting the process but now my phone is dead completely. Recovery tool isnt able to discover my phone. I have tried following but nothing worked.
    ->Soft/hard Reset since the phone isnt turning on. No vibration
    ->Connecting phone with Nokia emergency connectivity driver but still recover tool isnt able to read my phone.
    ->Using lumia recovery tool LSRT. But it says my device isnt supported.
    ->Charging my phone for about 1 hour.Nothing

    I would really appreciate your help here.
    Thanking You
    Sincerely
    Kartik
    04-12-2015 05:34 AM
  2. abhishek singh21's Avatar
    Hello Community,
    I updated my Lumia 520 to Windows 10 mobile yesterday. But due to continuous lag I decided to roll back to Wp8.1 using Windows phone recovery tool. It as usual downloaded 1.5Gb software and then started installing it on my device(Phone display turned red and there was installation progress bar). But after 6% installation "Error came on pc software written failed or something like that. Usb disconnected." Though i dont remember the exact words,but it meant this only. So i again started the installation an it started again from fresh. But same thing happened after 3% it again failed. And i again tried restarting the process but now my phone is dead completely. Recovery tool isnt able to discover my phone. I have tried following but nothing worked.
    ->Soft/hard Reset since the phone isnt turning on. No vibration
    ->Connecting phone with Nokia emergency connectivity driver but still recover tool isnt able to read my phone.
    ->Using lumia recovery tool LSRT. But it says my device isnt supported.
    ->Charging my phone for about 1 hour.Nothing

    I would really appreciate your help here.
    Thanking You
    Sincerely
    Kartik
    check your usb port/cable . reinstall all the drivers and try again. SRT should discover your device. such occurance has happened with many users over various devices. ;) good day
    do post your issue on this thread :
    http://forums.windowscentral.com/win...ng-thread.html

    How to roll back from Windows 10 Preview to Windows Phone 8.1 | Windows Central
    Kartik Kohli likes this.
    04-12-2015 05:40 AM
  3. Kartik Kohli's Avatar
    Thanks for help. I have checked my usb port and cable. They are working fine on other devices.When i connect my phone there is a notification sound from window(desktop) and my phone gets connected to nokia emergency connectivity driver but the Windows phone recovery tool isnt detecting it even through "My phone was not detected" feature. Which specific drivers should i reinstall?
    sujitintel likes this.
    04-12-2015 05:52 AM
  4. Kartik Kohli's Avatar
    thanks for help Abhishek. My usb port and cables are working fine. When i connect my phone through pc yes there is a notification sound on pc and my phone gets connected via nokia emergency connectivity driver. But recovery tool isnt able to discover it and phone also doesn't boot. it remains dead.
    04-12-2015 06:06 AM
  5. abhishek singh21's Avatar
    thanks for help Abhishek. My usb port and cables are working fine. When i connect my phone through pc yes there is a notification sound on pc and my phone gets connected via nokia emergency connectivity driver. But recovery tool isnt able to discover it and phone also doesn't boot. it remains dead.
    i wil let you know as i find find a solution for this by then you could try reinstalling the SRT. AND KEEP TRYING . ;) good day
    Kartik Kohli likes this.
    04-12-2015 06:21 AM
  6. Kartik Kohli's Avatar
    ok . Thanks. Just on emore thing Lumia recovery tool is able to detect my dead phone and it gives the message my phone is not supported since its for Wp8 and earlier devices only and not for 8.1 or 10.But Windows phone recovery isnt detecting it at all.
    :)
    04-12-2015 06:28 AM
  7. abhishek singh21's Avatar
    ok . Thanks. Just on emore thing Lumia recovery tool is able to detect my dead phone and it gives the message my phone is not supported since its for Wp8 and earlier devices only and not for 8.1 or 10.But Windows phone recovery isnt detecting it at all.
    :)
    lumia recovery tool is outdated and is not suported for wp 8.x devices. uninstall that and reinstall windows phone recovery tool with all essential drivers and try to roll back. here is the link for a fresh copy of wp recovery tool

    http://go.microsoft.com/fwlink/p/?LinkId=522381
    04-12-2015 06:32 AM
  8. Gautham V kunnath's Avatar
    Hello Community,
    I updated my Lumia 520 to Windows 10 mobile yesterday. But due to continuous lag I decided to roll back to Wp8.1 using Windows phone recovery tool. It as usual downloaded 1.5Gb software and then started installing it on my device(Phone display turned red and there was installation progress bar). But after 6% installation "Error came on pc software written failed or something like that. Usb disconnected." Though i dont remember the exact words,but it meant this only. So i again started the installation an it started again from fresh. But same thing happened after 3% it again failed. And i again tried restarting the process but now my phone is dead completely. Recovery tool isnt able to discover my phone. I have tried following but nothing worked.
    ->Soft/hard Reset since the phone isnt turning on. No vibration
    ->Connecting phone with Nokia emergency connectivity driver but still recover tool isnt able to read my phone.
    ->Using lumia recovery tool LSRT. But it says my device isnt supported.
    ->Charging my phone for about 1 hour.Nothing

    I would really appreciate your help here.
    Thanking You
    Sincerely
    Kartik
    Same issue with my phone also! Lumia 520
    exactly the same issue!
    Somebody kindly help me.
    And please let me know if I can get any help from Nokia service center!
    04-12-2015 12:23 PM
  9. Vineeth Kumar Akenapalli's Avatar
    I have same problem. Please let me know if you get any solution.
    Thanks,
    Vineeth.
    04-12-2015 12:34 PM
  10. lozlo's Avatar
    Same here. Lumia 520 totally dead following Windows Phone Recovery Tool attempt to rollback to 8.1 from 10TP. Have tried most of the software solutions suggested to no avail. Any help would be greatly appreciated. I keep seeing the suggestion to bring it to a Nokia Care Center. I am in New Jersey. Does anyone know if there is a Nokia Care Center here? Would a Microsoft store be of any help? Thanks.
    Ron.
    04-12-2015 12:45 PM
  11. Rodrigo Almeida1's Avatar
    I have the same problems.
    Please windows help me!
    tryied all and nothing !
    04-12-2015 04:41 PM
  12. arjan wolthuis's Avatar
    Hello Community,
    I updated my Lumia 520 to Windows 10 mobile yesterday. But due to continuous lag I decided to roll back to Wp8.1 using Windows phone recovery tool. It as usual downloaded 1.5Gb software and then started installing it on my device(Phone display turned red and there was installation progress bar). But after 6% installation "Error came on pc software written failed or something like that. Usb disconnected." Though i dont remember the exact words,but it meant this only. So i again started the installation an it started again from fresh. But same thing happened after 3% it again failed. And i again tried restarting the process but now my phone is dead completely. Recovery tool isnt able to discover my phone. I have tried following but nothing worked.
    ->Soft/hard Reset since the phone isnt turning on. No vibration
    ->Connecting phone with Nokia emergency connectivity driver but still recover tool isnt able to read my phone.
    ->Using lumia recovery tool LSRT. But it says my device isnt supported.
    ->Charging my phone for about 1 hour.Nothing

    I would really appreciate your help here.
    Thanking You
    Sincerely
    Kartik

    ^^^
    Main reason I don't downgrade
    04-12-2015 04:57 PM
  13. Kartik Kohli's Avatar
    Hi Abhishek
    I tried this but it didnt work.
    I guess issue is with windows phone recovery tool. Being new I think it doesnt have feature to detect dead phone as LSRT have. Since my phone is out of warranty period so I am taking my phone to a local technician today first for boot repair. Lets see what he has to say.I guess JTAG would be useful to repair boot.
    Will provide you all with update asap.
    I just wish Microsoft bring dead phone recovery feature for 8.x and above phones as it is present for WP8 or other nokia phones.
    04-12-2015 11:35 PM
  14. Kartik Kohli's Avatar
    Hi all who face same problem, I just want to ask did the windows phone recovery software give you all warning that your battery must be at least 25% charged or something before continuing ?
    04-12-2015 11:39 PM
  15. Gautham V kunnath's Avatar
    Hi all who face same problem, I just want to ask did the windows phone recovery software give you all warning that your battery must be at least 25% charged or something before continuing ?
    No... Nothing like that was mentioned
    04-13-2015 05:03 AM
  16. Gautham V kunnath's Avatar
    Hi Abhishek
    I tried this but it didnt work.
    I guess issue is with windows phone recovery tool. Being new I think it doesnt have feature to detect dead phone as LSRT have. Since my phone is out of warranty period so I am taking my phone to a local technician today first for boot repair. Lets see what he has to say.I guess JTAG would be useful to repair boot.
    Will provide you all with update asap.
    I just wish Microsoft bring dead phone recovery feature for 8.x and above phones as it is present for WP8 or other nokia phones.
    Please let me know if local tech could solve the issue!
    04-13-2015 05:05 AM
  17. Vic Nair's Avatar
    Switch USB cables, computer or USB slots while using the recovery tool... Worked for me
    04-13-2015 05:19 AM
  18. Apostol Karovski's Avatar
    What PC and Windows version did it work for you?
    my phone is now stuck at blank screen
    in device manager it shows QHUSB_DLOAD
    have installed 3-4 versions of recovery (microsoft lumia, nokia, nokia retail ...) the nokia versions report device is in flash recovery mode, but neither of them can start flashing
    04-13-2015 06:00 AM
  19. Vic Nair's Avatar
    Windows 7, Acer Aspire Laptop, USB 3.0 cable, Windows Phone Recovery Tool ver 1.1.0
    04-13-2015 06:30 AM
  20. muhammad irkhas's Avatar
    have some problem here and until now my phone is that, is anyone here can help us?
    04-13-2015 07:18 AM
  21. Gautham V kunnath's Avatar
    Windows 7, Acer Aspire Laptop, USB 3.0 cable, Windows Phone Recovery Tool ver 1.1.0
    My phone is absolutely dead now! None of the software is able to detect my phone!
    04-13-2015 07:45 AM
  22. arjan wolthuis's Avatar
    Read this before.. You need a new motherboard for your phone. Any phone repairer can do that
    04-13-2015 07:54 AM
  23. arjan wolthuis's Avatar
    But buying a new one is probably cheaper
    04-13-2015 07:55 AM
  24. snak251's Avatar
    i had the exactly same problem, you just need do keep trying, use "Lumia recovery tool 5.0.7"
    the steps:
    1 - open Lumia recovery tool
    2 - click on the "My phone doesnt respond" button
    3 - connect the phone when he ask you to
    4 - wait and he will recognize your phone
    try do restore, as you said ("But same thing happened after 3% it again failed"), it always give an error, BUUUUUT, everytime you try, the error is later at the progress, you will eventually get to 50%, when this happens, you will not get any error again

    *everytime you try again, you will have to remove the battery and do all the process again (i know, its exhaustive, took me some hours to complete the process)

    * you HAVE to use Lumia recovery tool, doesnt work with other programs

    *remove the battery before connecting the phone at step 3, and wait a little after you click the button, something like 5 seconds
    Last edited by snak251; 04-13-2015 at 04:41 PM.
    04-13-2015 08:01 AM
  25. MrGoodSmith's Avatar
    I would try using Nokia Care Suite as well.
    04-13-2015 08:06 AM
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