Limited time offers; subject to change. Taxes and fees additional. Pay In Advance Mobile Internet Service: $15 SIM starter kit may be required. Service available for time period and/or usage amount provided by pass when you maintain a sufficient account balance and qualifying service. For time period, a day is 12:00 a.m. to 11:59 p.m., Pacific time. Usage rounded up to the nearest MB each session. Some passes include specified data speeds. Where indicated, full speeds available up to monthly allotment; then slowed to up to 2G speeds for rest of billing cycle. Certain uses, e.g., some speed test apps, may not count against high-speed data allotment or have speeds reduced after allotment reached. Only one pass may be active at a time. Account suspended after 365 days of inactivity. Data only; does not include voice or messaging. Domestic only; no roaming. Usage applied first to free data and then to next expiring pass or allotment. Devices sold for use on T-Mobile prepaid service are to be activated on that service, not transferred for resale, modification, or export. Device and screen images simulated. 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.