T-Mobile has expanded its 5G network and kept plan and phone prices down, but other premerger pledges are still unfulfilled.
By David Lumb
Three years ago, T-Mobile's merger with Sprint was finalized, and the nation's list of top carriers shrank from four to three. At the time, T-Mobile made promises that the merger would be positive for consumers and the larger mobile industry -- and though that's been more true than not, there are still some pledges that haven't been seen through.
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