Apple's UK mobile network partner O2 has gone on record to call iPhone the fastest-selling device it has ever offered in the UK.

Reporting its fourth quarter financial results, the company explained: "In the UK, we outperformed the market again," the company said. In the UK, O2 added 483,000 customers in the quarter including 276,000 on contract.

The company described these as "the highest number (of customers added) ever, helped by sales of the iPhone, the fastest selling device that we have ever has in the UK."

The company said that the popularity of the Apple mobile was such that the company sees its Scottish workforce being propelled beyond the 2,000 mark this year.

O2 employs around 1,600 people in Scotland, 1,300 work at its contact centre at Skypark in Glasgow, where 350 jobs have been created to deal with iPhone inquiries.

O2's UK chief executive Ronan Dunne, told The Herald: "I can tell you the iPhone has been a huge success. Customers are transferring something like 60 to 100 times more data on iPhones, compared with other handsets. Average revenue per user is significantly higher than traditional phone users. iPhone customers are high-value customers."