The over-the-air update started hitting devices a day ago, but today it's official -- AT&T's LG Optimus G has its Jelly Bean upgrade. AT&T PR has confirmed the update to Android 4.1.2 Jelly Bean, bringing improvements such as "Project Butter" performance enhancements and Google Now predictive search.
The update also enables the ISIS Mobile Wallet -- an NFC-based Google Wallet competitor currently in testing in Salt Lake City. Utah and Austin, Texas.
To grab the update, turn on Wifi and head to Settings > General > About phone > Software Update > Update. Once you're updated, hit the comments and let us know how you're getting on with the newer version of Android.