December is turning out to be a good month for those who long for some Jelly Bean goodies on their Samsung Galaxy S3. Following Sprint and T-Mobile, AT&T subscribers that sport the flagship Galaxy S3 can now get their buttery smooth software update.

After months of waiting and anticipating, the Android 4.1 update for AT&T’s Galaxy S3 is now rolling out via Kies.

Coming in at 738MB, the file to download and install is pretty big compared to other carriers. Aside from the expected new features and performance enhancement that Jelly Bean has to offer, we’re not sure what kind of surprise AT&T has in store for Galaxy S3 owners.

Go ahead and connect your Galaxy S3 to the computer, load up Kies, and check if the Android 4.1 update is waiting there. Be sure to share your excitement in the comments below. Is the phone running smoother than ever after the update? What’s your favorite new feature(s) on Jelly Bean?