T-Mobile has vowed not to unexpectedly increase customer rates, continuing a string of promotions aimed at drawing subscribers and catching up to larger competitors.
"I'm going sign a contract to every customer that says your data plan and your rate will not go up, the fixed plans, while I'm here," T-Mobile CEO John Legere told CNBC's "Squawk Alley" on Wednesday from the company's "Uncarrier" event.
The news follows past moves that include tossing out long-term service contracts and allowing users to carry over unused data. The fourth-largest U.S. wireless company also unveiled plans to pay up to $650 per line for customers to get out of carrier contracts.
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Additionally, it announced new data and calling plans for small businesses.