AT&T subscribers who own the HTC One should keep an eye out for Android 4.3.
On Tuesday, AT&T confirmed that it has officially started pushing the latest flavor of Jelly Bean to HTC's flagship phone. HTC One owners should see a notification that the update is available for download. Users can also manually check for the update by tapping the setting for AT&T Software Update and then choosing the option to Tap Check for Updates. After the update has installed, the phone will automatically restart.