[3][4] In 2001, a joint venture between Adderton, Craig Cooper, Kirt McMaster and Nextel brought the Boost Mobile brand to the United States.

The company has continued to target its brand and products at younger demographics; "Since Boost Mobile began in August 2000, we’ve been focused on keeping Aussie youth connected.

"[15] In 2018, Boost Mobile formed a partnership with the American-based Stadium Super Trucks to grow the series' presence in Australia.

[17][18] In 2019, Boost Mobile was the naming rights sponsor of Garry Rogers Motorsport in the Australian Supercars Championship.

"[23] As part of the campaign Boost Mobile cited an academic paper co-authored by Dr. Shari Walsh of the Queensland University of Technology.

However, Dr. Walsh stated that her paper did not identify any texting disorders and that Boost Mobile was not accurately representing her research.