https://www.cnet.com/news/t-mobile-racks-up-more-customers-as-it-awaits-fate-of-sprint-merger/

Specifically they argue that a combined T-Mobile and Sprint would actually lower prices for consumers rather than raise them. And they claim the merger will also allow them to combine their wireless spectrum assets to ensure that speedy 5G wireless service gets to more Americans, especially those living in rural regions. 

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