AT&T has officially announced that its carrier-branded Galaxy S4 Active variant is the latest in a long line of Samsung devices now receiving the largely requested Android 4.3 Jelly Bean update. This upgrade brings a truckload of bug fixes and stability improvements, in addition to an updated version of the TouchWiz user interface, together with support for the Galaxy Gear and Samsung KNOX.

The S4 Active was announced back in June, 2013, and went on sale two weeks after its unveiling, packing a 5-inch TFT capacitive touchscreen with a resolution of 1080 x 1920 pixels, a Qualcomm APQ8064T Snapdragon 600 chipset powered by four 1.9GHz Krait 300 CPU’s, an Adreno 320 GPU, 2GB of RAM, 16GB of expandable flash memory, an 8-megapixel rear-facing camera, a 2-megapixel front-facing shooter and a 2,600 mAh removable Li-Ion battery.

The full changelog for this update, build I537UCUBML2, can be seen below:

• Android 4.3 OS upgrade
• Samsung Galaxy Gear compatibility
• Premium Suite Features
  • PEN.UP
  • Group Play 2.5
  • Multi-Window (Note 3 Version)
  • Camera – Shot & Sound
  • Group Messaging
  • Samsung Link (Preload)
  • New Easy Mode
  • Samsung Apps
• Knox

Like all AT&T’s recent software updates, this one’s being rolled out in stages, so if it doesn’t reach your handset today, it should do so pretty soon. In order to see if your device is ready for the update, head into ‘Settings’, then ‘About Device’, and tap on ‘Check for Updates’.