The 8T received its Oxygen 11 OS update earlier this month and the carrier version of the software for T-Mobile users was missing an important feature, the always-on display. The OnePlus 8T settings menu includes a setting that reveals when you want the always-on display to appear on the phone. But this does not show up on the carrier version of the settings.
The update includes the October 2020 Android Security patch, optimized battery performance, and more importantly, the always-on display. It also thaws frozen software, exterminates a bug that causes the …