T Mobile CTO Neville Ray on 5G Launches, Galaxy S9

At Mobile World Congress, PCMag spoke to the CTO of T-Mobile about the company's just-announced plans to build out 5G in 30 cities this year, and the speed boosts you'll see with a new Galaxy S9 phone.

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(Source: PCMag, https://www.youtube.com/watch?v=BkSk906LMM8)