AT&T LG Optimus G Jelly Bean update is official

AT&T's Optimus G gets Android 4.1.2 and ISIS Mobile Wallet

The over-the-air update started hitting devices a day ago, but today it's official -- AT&T's LG OptimusG 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 toSettings > 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.

Source: AT&T

Via: AT&T LG Optimus G Jelly Bean update is official