Capable device required to achieve 4G LTE speeds. Limited-time offers; subject to change. Not eligible for other discounts. U.S. roaming and on-network data allotments differ: includes 200MB roaming. Partial megabytes rounded up. Not for extended international use; you must reside in the U.S. and primary usage must occur on our U.S. network. Service may be terminated or restricted for excessive roaming. Communications with premium-rate numbers not included. Video streaming at up to 1.5Mbps; may affect speed of video downloads. For best performance, leave video streaming applications at default automatic resolution setting. Tethering: at max 3G speeds. For the small fraction of customers using >50GB/mo., majority of data usage must be on tablet. Network Management: Service may be slowed, suspended, terminated, or restricted for misuse, abnormal use, interference with our network or ability to provide quality service to other users, or significant roaming. Tablet usage is prioritized over tethering usage, which may result in higher speeds for data used on tablet. See T-Mobile.com/OpenInternet for data management details. Coverage not available in some areas.