If you use tethering trickery to get hold of more data than you're allowed, T-Mobile says it will track you down and cut you off.
AT&T and T-Mobile will offer cellular-ready versions of the Samsung tablet in early September.
T-Mobile's Kyocera Rally is a compact feature phone with expandable memory and a VGA camera.
Verizon still reigns supreme in the latest results from wireless testing firm RootMetrics. T-Mobile was hurt by the lack of broader coverage outside of the major markets.
The $100 entry-level smartphone runs Android 5.1 Lollipop, but offers little in the way of hardware.
The FCC votes unanimously to deny T-Mobile's request to include more spectrum reserved for smaller carriers in an upcoming auction.
The carrier continues its torrid pace of subscriber growth amid stiff competition in the wireless business.
The company also adds Apple Music to its program that lets you stream music without counting against your data plan.
Kyocera's latest Android is dustproof, waterproof and built to take a beating.
The upgrade brings text messaging nearly on par with the features found in third-party instant messaging apps like WhatsApp and iMessage.