For state & local fire, police, and EMS agencies' first responder lines; eligibility subject to reverification. Video typically streams on smartphone/tablet at DVD quality (480p). Coverage not available in some areas and may be impacted by emergencies; check your response area. 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. Additional international features available for purchase. 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: 1GB high-speed data then unlimited on our network at max 3G speeds. For the small fraction of customers using >50GB/mo., primary data usage must be on smartphone or tablet. Smartphone usage is prioritized over Mobile Hotspot (tethering) usage, which may result in higher speeds for data used on smartphone. Network Management: Program/Service may be slowed, suspended, terminated, or restricted for interference with our network or ability to provide quality service to other users or abusive/excessive use. 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.

Capable device required; coverage not available in some areas. While 5G access won't require a certain plan or feature, some uses/services might. 5G uplink not yet available. See Coverage details, Terms and Conditions, and Open Internet information  for network management details (like video optimization).