The revelation came from a senior executive at the company speaking over the weekend.
Samsung Electronics’ President of the mobile division, Shin Jong-kyun told reporters that the phone has become a 10-million seller after it was first unveiled on May 29.
He did not give exact shipment volumes, but his announcement confirmed previous reports that the company had taken pre-sales orders from mobile networks for at least 10 million units.
Apple has been battling in US courts to ban the sales in the USA on the ground of patent infringement, although it has been unsuccessful so far.
Fitch Ratings recently forecast that Samsung will sell around 400 million mobile handsets during 2012, of which 220 million will be smartphones