What should I do if my device is not compatible?

While most phones will work perfectly, 3G phones along with some older 4G phones that do not support VoLTE will have issues. While you may love your current phone, newer devices can take advantage of everything our network has to offer. Visit your local retailer or https://phones.ultramobile.com where you’ll find a selection of great iPhones and Androids, all of which are network certified. Once you have your new phone, getting set up is as easy as switching a SIM card in most cases.