I'm trying to update my cell phone to the latest software update but have been unsucessful. My phone is an HTC One AT&T version but is unlocked and I use T-Mobile network. I have gone to both About>Software Updates & AT&T Software Updates but can't get an update. When I use AT&T Software update, I click Check for updates then Checking... dialog comes up and then disappears after about 1 second. I am on wifi and have phone charged and plugged in. Current Android version is 4.1.2 with HTC sense 5.0. Any advice what I need to do here to get the latest update?
Re: Software Update for HTC One AT&T Unlocked Phone
It will have to be on AT&T to get update. Not sure if you can just put the AT&T sim back into phone and try to Update. But can try. Probably have to be connected to AT&T network. Can also try doing it thru Kies and your computer.
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