Published August 18, 2016 9:26am EDT | Updated August 18, 2016 11:05am EDT

T-Mobile US Launches New Service With Unlimited Talk, Text And High-speed Smartphone Data

Mobile US said Thursday it is launching a new service with unlimited talk, text and high-speed smartphone data. The new product, called T-Mobile ONE will be priced at $40 a line for a family of four. "The era of the data plan is over," Chief Executive John Legere said in a statement. A T&T Inc. said Wednesday that it will launch new data plans that end data overage charges for wireless customers on August 21. T-Mobile shares were not active in premarket trade, but are up 19% in the year so far, while the S&P 500 has gained about 7%.