Flight mode not getting off after upgrading to 8.1 in nokia lumia 1520

[WPCentral Question]

Hi'

I am using nokia lumia 1520 where the flight mode is not getting off after upgrading to WP8.1. When I am trying to Off flight mode forcefully Wifi is getting on automatically? Any suggesstion would be appreciable.

Thing I tried
Hard reset my phone still the issue is same.

 

[DannyPaw]

Are you on Cyan firmware as well then? There are at least 8 other similar stories with this issue in 1520 after Cyan update. You might want to search for "Network Issues after 1520 Cyan update" and especially check the video there.

 

[Mohammed Faisal3]

Yes I saw the video which is same as mine.

 

[niibig]

guy please i need your help cant downgrade back to windows phone 8
tried so many times and my phone is stuck in flight mode on the cyan update
is there anyway some who has already downgraded an at&t 1520 share the windows phone 8 downgrading files so
i can use them for my downgrade?.........REALLY NEED YOUR HELP!!!!!!!