Go to Settings > Cellular > Cellular Data Options. If you see this screen, your device has 5G activated . If you don’t see this screen, contact your carrier to confirm that your plan supports 5G.
Read moreIs T-Mobile 5G real?
These days, T-Mobile says its 5G signal reaches more than 8,300 cities and towns, covering 287million people . That makes T-Mobile’s 5G network the largest, as Verizon says its nationwide coverage reaches 230 million people.
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