Samsung said it sold more than 3 million of its Galaxy S2 smartphone in just 55 days since its launch in late April. The company claims it has sold around 19 million smartphones in total during the past quarter, capturing around 17 percent of the world smartphone market. See also Samsung Galaxy S3 review.

A thin, lightweight, dual-core smartphone with a Super AMOLED Plus screen, the Samsung Galaxy S2 (reviewed here) is the South Korean electronics giant's flagship smartphone device. The Google Android phone has rapidly become a huge favourite with consumers. Go to Samsung Galaxy S3 specs and pictures.

"Announced at Mobile World Congress 2011, the Samsung Galaxy S2 represents our most advanced smartphone to date and demonstrates Samsung's commitment to deliver premium, market-defining devices," said JK Shin, President and Head of Samsung's Mobile Communications Business. Visit Samsung Galaxy S3 launch: as it happened.

"This milestone reflects the continued strong support from our carrier partners around the world who have chosen the Galaxy S2 as their flagship Android device."

Samsung's smartphone business is fighting back strongly after a poor 2010, and is poised to take over the crown of world's largest phone maker from Nokia, as the Finnish company attempts to make the move from Symbian to Windows Phone 7, and convert its dominance of the mobile phone market into the more lucrative, and strategically important, smartphone market.

See also: Group test: what's the best smartphone?

See also: Samsung Galaxy S2 is 'UK's favourite smartphone'