T-Mobile just turned two concerning privacy settings on by default:
Sharing certain financial information
TL;DR
You can also turn the toggles off in the T-Life app by following these steps:
1. Open the T-Life app on your phone or tablet.
2. Go to the Manage tab and tap the gear icon in the top-right corner.
3. Scroll down and tap Privacy & policies in the menu.
4. Tap Privacy dashboard and find the relevant toggles.