T-Mobile updates Samsung Galaxy S9 and S9+ to One UI 2.1 - Android

It's been more than a month since rolled out One UI 2.1 to the Galaxy S9 and S9+ and Note 10, but US carriers have taken their time to test the update and make sure that no issues will prevent users from using their phone after installing One UI 2.1.

T-Mobile is finally done with testing and is now rolling out the One UI 2.1 update to the and S9+ (via ). According to the , the update includes the July security patch and an “all new user interface.” Although it's not mentioned in the changelog, the all new user interface is in fact the One UI 2.1.

As such, Galaxy S9 and S9+ users ...