1. decheung's Avatar
    Hey folks,

    I'm super excited about 8.1. Finally! Action center!

    That said, I see that upgrading to 8.1 preview wwill nuke all the carrier "optimizations" on my AT&T Nokia Lumia 920.

    Is there anything I will lose out on by upgrading? What are the downsides to doing this?

    ​Thanks!
    04-14-2014 11:27 AM
  2. ashram's Avatar
    i haven't noticed anything missing after installing wp8.1. everything seems to work fine.
    04-14-2014 11:34 AM
  3. EJP86's Avatar
    I'm running a 920 on AT&T and updated - No changes whatsoever.
    04-14-2014 01:00 PM

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