Customers praise the Starter SIM Kit for its affordability and ease of use. Many customers have had positive experiences with the network and service provided. The SIM card is reported to work as expected, and coverage is generally reliable.
Pick A No-Contract Plan At Activation - 1, 3, 6, or 12-Month options
Choose your 5G-4G LTE Data Plan on the T-Mobile Network
Unlimited Nationwide Talk & Global Text
Unlimited Talk to 90+ International Destinations
Unlimited Talk & Text in Mexico & Canada (on 4GB and Higher Plans)
Free Mobile Hotspot & Wi-Fi Calling
No Contract 30-Day Plan
3-in-1 Universal SIM - Nano, Micro, Standard
Transfer your phone number OR get a new phone number
Ability to bring your own unlocked cell phone
Set-up worry-free renewals. Plus save 10% on all 1-Month Plan renewals.
Love your Ultra plan? You can save more when you buy 3, 6, or 12-month plan bundles.
Free Talk & Text in Mexico plus Get 5GB of roaming data for 30 days to use in Mexico for $5 (included free on Unlimited and Unlimited Plans).
to countries like: China, India, Canada, Mexico, Dominican Republic, Bangladesh, Israel, United Kingdom, Colombia, and Poland.
Check your area's coverage at ultramobile.com/coverage.
Check your device's compatibility at ultramobile.com/byop.
Set up Auto Renew
Chat with our Customer Care team
Manage your account
Track account balances, and more!
If your SIM card shows an “activate by” date in the past, or if you need assistance with activating your SIM, contact our Care Team and they will be happy to help you. Call 888-777-0446 or chat with us online or in-app.