The Samsung Galaxy Note II for AT&T (SGH-i317) is now receiving a software update which is around 93.2MB in size, and bring the KOT49H.I317UCUCNJ1 software version. AT&T has been very vague on the changelog, simply stating that the update brings "Android OS Enhancements"
The update is being rolled out OTA, and you should receive a notification when it is available for your device. You can also manually check for the update by heading to Settings > More > About Device > Software Update and Check for Updates.
The Galaxy Note II is an Android phablet which features a 5.5 inch HD touch display, up to 64GB of internal storage which can be expanded through microSD, an 8 megapixel camera capable of 1080p HD video capture, a secondary camera for video calls and a quad-core processor with 2GB of RAM.
source - AT&T