Although it is the last major US operator to distribute its Android 9 Pie Update on Samsung Galaxy S9 and S9 +, T-Mobile can at least support RCS Universal Profile 1.0 support with its build

The Un-Carrier has already equipped a range of Samsung mobile phones with the next-generation SMS service. So it's no surprise that he arrives at the Galaxy S9 and S9 +. Samsung's Latest Design Language A UI is the other big draw in this update as well as all the goodies that are included in the Pie Android version. It's been the biggest overhaul of the look and feel of Samsung software in years, and so far the feedback has been mostly positive.

The rollout started yesterday, but do not panic if you do not have it yet ̵

1; it's a staggering start as usual. Baseband version numbers are G960USQU3CSAB for the S9 and G965USQU3CSAB for the S9 +.