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AT&T not rolling Lumia Cyan to Lumia 1520 with dev preview. Why it is wiser to wait than roll back?

AT&T WP8.1Seems, AT&T which has started releasing Lumia cyan to Lumia 1520 in US is still not making it available to Lumia 1520 with Dev Preview. That may be due to the known issue of Devices running Dev Preview and BitLocker encryption, where you need to roll back your device’s firmware to Windows Phone 8.

Though, this doesn’t look like a global situation and we can confirm that Lumia 1520 running Dev Preview is receiving Lumia Cyan firmware OTA in India.

Now, in case you are already running DP on your Lumia 1520 and you are on AT&T, we would suggest to wait a bit and let Microsoft sort this out than rolling back to Windows Phone 8

  • Because, a rollback can be a messy affair as there are basic differences between the way apps installation (MicroSD card) and back up is handled for Windows Phone 8.1 and Windows Phone 8.
  • If you are already running dev preview now, and roll back, you will be tempted to try Windows Phone GDR1, when it comes out for devices enabled for dev preview. So, why to go through so much of a hassle.

In case you still want to roll back to Windows Phone 8, here is your help.

Do let me know what you think?


Nayan has more than 10 years of experience of covering Technology and innovations. He is a big Nokia fan and Tech disruptions aficionado. He loves to review new cool gadgets and writing about Android, iOS, Gadgets and general Technology stuff. He has been associated with other well-known Tech sites WinCentral and GadgetOx since long. He currently sports a Lumia 950 XL and Nexus 5X. Other interests include listening to Nu-Metal Hits and Kick-Boxing. Write to him at Email: [email protected]
  • I just downgraded my AT&T Nokia Lumia 1520 running WP 8.1 DP to WP 8 Lumia Black update using NokiaSoftwareRecoveryToolInstaller.exe from and then was able to upgrade to the new and official WP 8.1 Lumia Cyan without any issues. I don’t know why it wouldn’t let me do it at first, you know, with 8.1 DP and I didn’t want to wait for AT&T, so, yeah, rolling back to 8.0 does the trick!!

    • Kamal

      So, how was the whole experience? Did u face any issues in getting back apps etc?

      • Saif

        Lumia 1520 with 8.1DP is NOT receiving Cyan update in India.

      • G.Omaha

        I didn’t have any issues, you just have to make sure you back everything up and you have to know your Microsoft user ID and password, along with all the other e-mail accounts, and I’ve always used OneDrive for all my files, documents and pics…it does take time for everything to reload, but everything goes back, including my music, pics, contacts…etc…so yeah, downgrading does work