Tuesday 12 March 2013
A tweet from the electronics giant includes a dark image of what appears to be the top half of the new Samsung smartphone.
The very dark image, depicting only the upper left corner of what appears to be a smartphone with the familiar Samsung brand at the top.
The tweet comes on the same day that Samsung launched the second in a series of teaser ads for the Galaxy S4.
Samsung is expected launch its latest flagship smartphone at an event Thursday in New York City.
