1. Anojan Sivam's Avatar
    Hi Guys, I'm using lumia 820 in cyan update. The day before yesterday I updated my phone to DP 8.1.1 But I need to downgrade now! But unfortunately NSU tells software update failed! Can't I downgrade back to Cyan?
    09-22-2014 10:21 AM
  2. unknow91's Avatar
    The same problem I had with my 1520! Use the NSRT not the NSU (you can re-use those Cyan files you already downloaded with the NSU)
    09-22-2014 10:49 AM
  3. Anojan Sivam's Avatar
    The same problem I had with my 1520! Use the NSRT not the NSU (you can re-use those Cyan files you already downloaded with the NSU)
    But It says 3051.4000... ( I mean wp 8) is available
    09-23-2014 07:58 AM
  4. unknow91's Avatar
    But It says 3051.4000... ( I mean wp 8) is available

    It doesn't matter! (and I don't know why) but I tried a couple of times (and even created a thread asking why) and that was the solution!
    09-23-2014 12:18 PM
  5. Paul Verizzo's Avatar
    My updater also "fails." I unplug the USB from the phone, plug it back in, and away it goes! Twice, now. If you see a dark maroon screen, it's good.

    Good luck.
    09-23-2014 10:03 PM
  6. niibig's Avatar
    i also cant downgrade......downloads the cyan update for the nokia software to install the same wp8.1 on.......need to downgrade because my lumia 1520 is stuck in airplane mode
    09-25-2014 10:57 AM

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