London (CNN) -- Could the iPhone have a challenger?
Looks like Samsung's Galaxy S is giving the Apple product a run for its money, according to the Financial Times.
Samsung is unveiling a third version of the Galaxy S to be unveiled in Earls Court, London tomorrow.
There's buzz that it could be the official phone for the 2012 Olympics, which Samsung is sponsoring.
Juniper Research data shows Apple and Samsung provided 60 percent of the 139 million smartphones shipped worldwide in the first quarter.