Sales tax and regulatory fees included in monthly service price. Credit approval, deposit, and $25 SIM starter kit or, in stores & on customer service calls, $20 upgrade support charge may be required. Capable device required for some features. U.S. roaming and on-network data allotments differ: includes 200MB roaming. Unlimited talk & text features for direct communications between 2 people; others (e.g., conference & chat lines, etc.) may cost extra. Unlimited high-speed data US only. In Canada/Mexico, up to 5GB high-speed data then unlimited at up to 128kbps. T-Mobile ONE not available for hotspots and some other data-first devices. Video streams at up to 1.5Mbps. Optimization may affect speed of video downloads; does not apply to video uploads. For best performance, leave any video streaming applications at their default automatic resolution setting. Tethering at max 3G. Service may be terminated or restricted for excessive roaming. For the small fraction of customers using >50GB/mo., primary data usage must be on smartphone or tablet. Smartphone and tablet usage is prioritized over Mobile Hotspot Service (tethering) usage, which may result in higher speeds for data used on smartphones and tablets. AutoPay Pricing for lines 1-8. Without AutoPay, $5 more/line. May not be reflected on 1st bill. Int’l Roaming: Usage may be taxed in some countries. Calls from Simple Global countries, including over Wi-Fi, are $.20/min. (no charge for Wi-Fi calls to US, Mexico and Canada). Standard speeds approx.128 Kbps without Plus; with Plus approx. 256 Kbps. Gogo: on U.S.-based airlines on equipped flights to, from, or within the U.S.; Wi-Fi Calling functionality, valid e911 address, & 1 prior Wi-Fi call w/ current SIM card req’d for messaging. Stateside Int’l Talk: Calls must originate on T-Mobile’s U.S. network or in Canada/Mexico. Rates and included countries vary and may change. Coverage not available in some areas. 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. On all T-Mobile plans, during congestion the small fraction of customers using >50GB/mo. may notice reduced speeds until next bill cycle due to data prioritization. On-device usage is prioritized over tethering usage, which may result in higher speeds for data used on device. See T-Mobile.com/OpenInternet for details. See Terms and Conditions (including arbitration provision) at www.T-Mobile.com for additional information.