T-Mobile launched 5G across the United States but no one can use that until 6 December 2019.
T-Mobile cover almost 200 million people access all over US and they are going to use the fastest network that is 600MHz 5G network. All the user suppose to going to use that network from 2 December but T-Mobile take a surprise step and increase that date of the using that network form 6 December 2019.