AT&T posted the update documents for a rather pleasing upcoming upgrade for Samsung’s former flagship smartphone, the Galaxy S4, on its official website last night. The paperwork reveals that the update, build number KOTH49H, will start rolling out later today and is scheduled to bring the latest build of KitKat, in addition to compatibility for the Galaxy Gear 1 and 2.

The Galaxy S4 was released back in April, 2013, and packs a 5-inch Super AMOLED display with a resolution of 1080 x 1920, a 1.6GHz quad-core Cortex A15 processor, a PowerVR SGX 544MP3 GPU, 2GB of RAM, 16GB/32GB/64GB of internal storage (expandable up to 64GB via microSD), a 13-megapixel rear-facing camera and a removable 2,600 mAh Li-Ion battery.

The full changelog for the upcoming over-the-air update can be seen below:

• Android 4.4 OS upgrade
  
• Samsung Galaxy Gear compatibility
• Drag and drop to uninstall or disable applications
• Call reliability improvements

You will need to be connected to Wi-Fi in order to download and install this upgrade, due to its size being anywhere between 412MB and 842MB (depending on your OS version). To do this, simply head into ‘Settings’, ‘About Device’, then tap ‘Check for Updates’. For more detailed instructions on how to update your device — click the source link below.

• SourceAT&T