Best answer: Yes, Tello uses the T-Mobile network for its customers, including LTE and 5G support. All Tello plans come with 5G support, but you may need to upgrade your phone to use it.
Does Tello offer 5G?
Tello Mobile's 5G means high-speed data. Your service will switch seamlessly between 4G LTE & 5G, so you'll benefit from faster connections, all around. ... tl;dr: Tello subscribers have access to 5G NSA (Non-Stand Alone) which brings faster speeds to the existing 4G LTE network.
Do any prepaid carriers have 5G?
Do prepaid carriers offer 5G? Yes! There is a handful of smaller carriers that offer 5G access through one of the major networks. For example, Metro by T-Mobile and Google Fi both offer 5G via T-Mobile's 5G network with a compatible phone and plan.