Why Can't I downgrade?

Anojan Sivam

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Apr 11, 2014
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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?
 

unknow91

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Apr 4, 2014
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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)
 

Paul Verizzo

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Jul 20, 2013
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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.
 

niibig

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Sep 23, 2014
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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
 

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