But following Iusacell's default on debts, the two companies in 2003 sold their stake to Ricardo Salinas Pliego's Movil@ccess in a deal valued at $7.4 billion.

The other major stock holder of Unefon, Grupo Saba, objected to the purchase of Iusacell because of debt and low profit problems.

However, on Wednesday, January 25, 2012, Cofetel temporarily refused to approve a merger between Televisa and Iusacell for illegal damage to third parties and hindering competition for open and pay television.

With 8.2 million users at the time, the company also offered local and long-distance service, as well as wireless and fiber optic Internet.

[11] Under the terms of the agreement, AT&T would acquire all of Iusacell's wireless properties, including licenses, network assets, retail stores and approximately 8.6 million subscribers.

The transaction was completed and approved by the Federal Telecommunications Institute in Mexico and the US Bankruptcy Court for the District of New York on April 30, 2015.

[13] AT&T launched several new plans on August 24, 2015 under the AT&T brand and began renaming Iusacell and Nextel stores in a process that was completed by the end of 2016.

AT&T invested an additional $3 billion in Mexico through 2018 to expand its high-speed mobile broadband coverage to 100 million people, The company currently holds the largest amount of spectrum in the country.