samsung_galaxy_S4_red_blueSamsung has sold over 10 million Galaxy S4 smartphones in less than a month after its commercial debut, says the company. Launched globally on April 27 in 60 countries, the phone is estimated to be selling at a rate of four units per second.

The Galaxy S4 smartphones, currently available in black and white, will get a shot of color this summer.  Samsung is introducing blue and red models, followed by purple and brown.

The Galaxy S4 is selling faster than any of its predecessors. Sales of the Galaxy S3 reached the 10-million mark 50 days after its launch in 2012, while the Galaxy S2 took five months and the Galaxy S seven months to reach the same milestone.

The Galaxy S4 is available in more than 110 countries and will gradually be rolled out to a total of 155 countries in cooperation with 327 partners.

[Image courtesy: Samsung]