T-Mobile has started rolling out the Android 5.1.1 Lollipop update to the Samsung Galaxy S5 devices on its network. The update - which is yet to be officially announced by T-Mobile - carriers a build number of G900TUVU1FOF6, and is currently rolling over-the-air (OTA). If you haven't received the update notification yet, you can also check for it manually via Samsung Kies. This comes just a week after the magenta carrier started rolling out the update to the South Korean company's latest Galaxy S6 and S6 Edge flagship...
Source: http://www.gsmarena.com/tmobile_galaxy_s5_starts_getting_android_511_update-news-12750.php