testing its 5G network as soon as this summer, and Verizon will likely be doing the same. T-Mobile doesn't want to be left behind, but it also wants customers to understand that 5G networks are not coming soon. T-Mobile network chief Neville Ray told Re/code that "They are trying to change the story. Nothing they are doing is proprietary or unique."AT&T has already been reported to start
Ray went on to say that T-Mobile would be "be right there with them or ahead." And, in that effort, T-Mobile will start testing on its own 5G network at some point this year. However, T-Mobile was careful to note that their network (and those from competitors) likely won't see the first consumer devices capable of running on the 5G wireless until around 2020.
That's only 4 years away, which isn't so bad in general terms, but it is multiple lifetimes in terms of mobile devices.