Source: Samuel Contreras / Android Central
Best answer: Yes. Ultra Mobile does support 5G, but you need to have a 5G-enabled phone to access the next-generation wireless network. You will also need to have an Ultra phone plan.
What is Ultra Mobile?
Ultra Mobile focuses on offering cost-effective phone plan options, so you re not spending hundreds on a phone plan. It s a Mobile Virtual Network Operator that uses on T-Mobile s network, and because it runs on T-Mobile s network, it supports many devices that are made for the U.S. market.
According to the company s site, its 5G network covers 200 million people in 6,000 cities. Because T-Mobile s network coverage is vast, most people won t have trouble having a network connection. The only time you ll find yourself having issues is in more rural areas, in which case you might encounter dead zones.