Dixons Carphone and US telco giant Sprint have signed a joint venture for retail operations.
The partnership could see 500 Sprint branded retail stores open across the US.
Under the deal an initial 20 shops will open as part of a pilot.
Andrew Harrison, Dixons Carphone deputy chief executive, said "This is a very exciting venture for us, and is a significant step in growing our business in the US.
"We bring specialist knowledge and skills to this partnership and will be looking to deliver innovation and outstanding customer service under the Sprint brand."
If the pilot proves successful Dixons Carphone will invest £20m in the next phase of the joint venture.
