The Android 4.3 Jelly Bean update for the AT&T HTC One smartphone rolled out on Tuesday, HTC announced on Twitter.

Although HTC President Jon Mackenzie said that U.S. models of the HTC One would receive Android 4.3 updates by the end of September, rollouts have not yet begun. The Sprint HTC One received its Android 4.3 OTA update last week, while T-Mobile is reportedly still on track to update to Android 4.3 sometime in mid-October. Verizon is expected to update to Android 4.3 in late October.

HTC notably has to deal with certifications from various U.S. carriers, which often unintentionally delay system rollouts or fragment their rollouts at different times on different carriers.

During the last week of September we saw the Android 4.3 update roll out onto unlocked HTC One models, HTC One Developer’s Edition models, and HTC One models in Canada. These models likely have less stringent regulations on them than U.S. models. 

The AT&T HTC One update goes by the build number 3.17.502.3 and is 565.7MB in weight. The Android 4.3 update for the AT&T HTC One includes such Android 4.3 features as Bluetooth LE, OpenGL ES 3.0 and Android Daydream, as well as a few updates to HTC’s Sense 5 UI. The Android 4.3 update for the AT&T HTC One is OTA and make take a few days to hit all handsets; however users can also attempt to install the update manually by accessing About Phone> Software Update on their handsets.

Are you excited that Android 4.3 Jelly Bean is finally rolling out on the AT&T HTC One? Let us know in the comments below.

Follow me on Twitter @FionnaatIBT.