We've increased your high-speed data! While your SIM kit may have a 15GB sticker on the front, rest assured your plan includes the full 24GB of data. No Contract 1-Month Plan on the T-Mobile 5G Network 24GB of High-Speed 5G - 4G LTE Data Per Month Unlimited Nationwide Talk & Global Text Unlimited Talk to 90+ International Destinations Unlimited Talk & Text in Mexico & Canada 5GB Mexico Data Roaming Pass Each Month Monthly International Call Credit One-Time International Roaming Credit Free Mobile Hotspot & Wi-Fi Calling Ultra Mobile offers plans that keep you connected and coverage you can trust on the T-Mobile 5G Network. Our $39/month 15GB prepaid wireless phone plan includes 1 month of 15GB high-speed 5G 4G LTE data, unlimited nationwide talk & global text, unlimited calling from the U.S. to 90+ international destinations (including India, China, Mexico, Canada, the U.K., Poland, Colombia, & more), unlimited talk & text in Mexico & Canada, monthly international calling credits of $5.00/month, a one-time international roaming credit of $5.00, free mobile hotspot & Wi-Fi calling, and a 3-in-1 SIM card (nano, micro, & standard sizes). There are no contracts and no hidden fees. Bring your existing phone and phone number or get a new one.