Samsung reportedly shifted 10 million units of the Galaxy S5 in just 25 days.
According to Sammy Hub, sales of the South Korean smartphone giant's current flagship smartphone have eclipsed those of the S4, which made headlines last year when it hit the 10 million mark towards the end of May.
Read more: Samsung Galaxy S5 review
It was released on 26 April.
The S5, on the other hand, was unveiled at Mobile World Congress on 24 February and hit the shelves on 11 April.
The S5 received 4.5 stars and an ITProPortal Best Buy award in our review but didn't quite manage to hit the mark in terms of aesthetics, with many slating the fact that it was clad in polycarbonate instead of metal.
The Galaxy S range has long been criticised for not being particularly pleasing on the eye, and it seems that Samsung has finally reacted to the feedback.
Last week, Chang Dong-hoon, the head of Samsung's mobile design team, was replaced by former understudy Lee Min-hyouk.
It has been reported that Samsung is planning on introducing a "premium" edition of the handset later this year in an attempt to placate customers, but nothing concrete has yet been announced.