How to disable Screen recording tool if you see it. If you're a T-Mobile subscriber, you can check if this new option has been turned on by opening the T-Life app, tapping Manage and then tapping ...

A new Screen Recording setting in T-Mobile’s T-Life app is rolling out to more devices, raising privacy concerns.

T-Mobile in fact has a similar setup within the T-Life app. There's another screen recording feature that is completely separate from this new Screen recording tool.