Comment by 0x08

You don't need the app, and this is also applicable to previous sprint users as well as metro users.

https://www.t-mobile.com/privacy-center/education-and-resour...

EDIT: I would like to an EXTRA middle finger to T-Mobile for turning on this opt-in by default for phones which are configured for a minor child. It is one thing to do this to 18+, but seriously on android phones that are configured for a minor? Read the room.