I don't know if this is true or not, but that's what this https://nypost.com/2019/07/07/google-joins-dish-network-in-talks-to-create-4th-mobile-carrier/ says.
The idea is for Alphabet-owned Google and Dish to launch a new wireless giant with the help of assets acquired from T-Mobile, which is now under pressure from the Department of Justice to aid such a project in order to get clearance for its $26 billion merger with Sprint, according to sources close to the situation. “There’s no question they are talking,” a source said of Mulally and the Dish execs.