Sprint has begun rolling out the Android 4.4 KitKat update for the Samsung Galaxy Note 3. The 503.6MB release is being distributed over-the-air with build number “N900PVPUCNAB,” and it brings a number of nice TouchWiz improvements.

Another internal document has been leaked on the internet this time revealing that U.S. Cellular’s much-anticipated Android 4.4.2 update for Samsung’s former flagship smartphone of 2013, the Galaxy Note 3, will start rolling out later today, Wednesday, February 19, to all carrier-branded handsets located in the United States. This upgrade transports the latest build of KitKat, in addition to several enhancements for the TouchWiz custom user interface.

BlackBerry has today updated BBM to add support for devices running Android 2.3 Gingerbread. Until now, only those running Android 4.0 Ice Cream Sandwich or above could enjoy the cross-platform messaging service, but with over 20% of Android users still running the 3-year-old software, BlackBerry knew that had to change.

HTC is unexpectedly in the midst of rolling out the much anticipated over-the-air (OTA) update to all unlocked One Max and One Mini handsets located in India. This upgrade brings the latest build of KitKat and Sense 5.5 to the handset, complete with a multitude of additional bug fixes and speed optimizations.

The HTC subsidiary in Malaysia has announced that the Android 4.4.2 KitKat updates for the international variants of the dual SIM HTC One, One max, and One mini smartphones have begun their rollout. Owners can expect an update notification to hit their devices any time now if they haven’t already had one.