T-Mobile May Be Watching Your Phone's Screen Of course, the caveat here is that the recording likely only affects the time that you're using the T-Life app, which T-Mobile uses to offer customers ...

Many Android phones let you record calls via the built-in Phone app (Android 9+), where available. Alternatives include ...

On the face of it, the Screen recording tool appears to do what it says, and the fact that it's limited to just the T-Life app is a reasonable, and expected, limitation.