AT&T: Do not upgrade your memory on Focus

Looks like AT&T and Microsoft aren't reading from the same playbook, but are now.

While ample evidence suggests AT&T had no problem with the end user adding extra memory (see here and here), it looks like the giant is now back stepping a bit. In a post yesterday from Paul Thurrott and confirmed by one of our readers at an AT&T store, the employees are now telling customers do not upgrade the microSD card on the device.

In short, there appears to be a problem with reliability when using non-approved memory. Microsoft is fixing this and it will come out in some OTA update, presumably that one in January that is rumored. The good news is this whole use it/don't use it approach to memory may end once Microsoft sorts out the problem on their end.

For now, we say: take the risk if you know the implications. If your device starts crashing, or having performance issues, well...take out the card and start anew. You're adults, you can figure this out.

Source: Windows Phone Secrets, reader Gregory from MA

Daniel Rubino

Daniel Rubino is the Editor-in-chief of Windows Central, head reviewer, podcast co-host, and analyst. He has been here covering Microsoft since 2007 when this site was called WMExperts (and later Windows Phone Central). His interests include Windows, Microsoft Surface, laptops, next-gen computing, and for some reason, watches. Before all this tech stuff, he worked on a Ph.D. in linguistics and ran the projectors at movie theaters, which has done absolutely nothing for his career.

  • I can confirm some issues that many others have reported on the XDA forums. I can get my device to recognize the card and it runs really well, but if your power off or reset your phone you may have issues. For example, you are missing all your settings, apps, etc. The system will report 15MB of total storage and requires a hard reset.
  • Microsoft has dispatched several teams going store-to-store to address the issue with the MicroSD cards:
  • had a problem with a class 6 trascend microsd. Phone after resetting lots all settings and data, wasn't properly recognizing the memory one the card. Just replaced it and stuck with 8. I can wait until the fix comes, not that hard to set up again.
  • My Kingston 16GB class 10 card failed. My Sandisk 16GB class 2 card worked. I have seen other reports of Transcend class 6 cards failing, A Data class 6 cards working. So this looks to be a complex problem. Being practical for a moment, I haven't seen any reports of Sandisk cards failing. In particular, people seem happy with the 32GB Sandisk class 2 card.
  • I had the same problem with a Transcend 16 class 6. Everything seemed to be great, for a while. Then I synched a couple GBs of music from Zune to my Focus. It was all there and I was listening to it fine, havin a grand old time. But when I went to add more music strange things happening. It wouldn't synch. And then all my songs disappeared. And Memory showed 15GB (it had been 18 a moment ago). When I reset I was able to add my Live Account and Outlook again but when I went to Xbox, and tried to download live I got an error message that I had used all my memory. I just took the card out and reset the phone, but still having problems: when I try to go to Xbox I get that same message: Oops! You've reached the storage limit on your phone. Go free up some space then try again. Phone shows total storage of 15.7 MB and Available Storage of 1.65 MB (yes MB)
  • I'll give MS a couple more months before they just give in and allow manufacturers to make phones with expandable memory.
  • They obviously allowed it since most if not all the phones so far have microSD card slots. They just didn't apparently make any standard for the manufacturers to follow, which most of us are probably hoping they do so that all the phones have at least the option to upgrade memory [without voiding warranty].
  • I had the focus and put 32 gig in. It worked fine first day. Next day I woke up and everything wiped. Took out card and factory restore did not fix phone. After playing with it I took out card and went through process to format a card (holding camera, power and down on start). Phone memory reformatted and it works again, with only the 8 gig phone memory. Hopefully microsoft fixes this in January.
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