If you're switching to US Mobile and bringing your own device, you may need to change your APN settings.
To configure your MMS & data settings for US Mobile, use the Access Point Name details below.
|APN Name||US Mobile|
|APN Type||default, supl, mms, admin|
|APN Roaming Protocol|
Related: Buy a US Mobile SIM card
If you haven't already switched to a low-cost carrier, MVNO's offer a great opportunity to find a cheap cell phone plan while keeping your phone, number, and coverage.