Thread: AT&T updgrade
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Old 09-06-2012, 11:43 AM   #3 (permalink)
Howard S.
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Join Date: Apr 2008
Location: Blue Bell, PA
Model: 9900
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Default Re: AT&T updgrade

As mentioned above it's anyone's guess when and if AT&T will release a 7.1 OS. But you can upgrade to the 7.1 OS now and I highly recommend it. Just stay below 7.1.0.5xx as there are problems with the mic for some users in releases in the 500's and above - I have experienced this myself. I'm using 7.1.0.391 with no issues and very good battery life. Make sure to follow the directions and delete the vendor.xml file(s) before installing on your phone.
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