Samsung Galaxy S5
Samsung Galaxy S5 smartphones on T-Mobile now apparently receiving Android 5.1.1 OS updateReuters

After speculations hinted at Samsung working on releasing the Android 5.1.1 (Lollipop) OS update to its Galaxy S5 flagship smartphones, the South Korean technology giant has now reportedly released the Android 5.1.1 firmware to T-Mobile-driven Galaxy S5 handsets in the US.

According to a report published in SamMobile, the Android 5.1.1 OS firmware is currently live on Samsung Galaxy S5 smartphones driven by T-Mobile's wireless networks in the US.

However, T-Mobile is yet to officially list the above rollout. Users of T-Mobile-driven Samsung Galaxy S5 handsets in the US are advised to check their smartphones for new OTA notifications representing Android 5.1.1 and let us know the current rollout status in the comments section below.

According to SamMobile, the latest Android 5.1.1 update bears firmware version number G900TUVU1F0F6.

Although the official changelog for Android 5.1.1 is yet to surface, the new firmware update should most likely incorporate RAW support for images taken via third-party camera apps, along with an array of bug fixes, and stability/performance enhancements.

As of now, the AOSP changelog is available on Android Police, courtesy Al Sutton and JBQ.

Apart from via OTA, the Android 5.1.1 OS update can also be searched for manually by navigating to Settings > About Phone > System updates > Check for Updates.