Samsung has teased a major product unveiling at next year's Consumer Electronics Show (CES), Digital Spy said.

The Korean tech giant has released a cryptic teaser video on its blog listing the date of the expo along with the phrase "the world awaits".

The video has given rise to fresh speculation that a successor to the Samsung Galaxy S3 could be unveiled at the event, a move that would contradict previous reports of an April launch for the so-called Galaxy S4.

Samsung's Galaxy S4 is tipped to feature a powerful quad-core processor, an "unbreakable" 5-inch 1080p display, and a 13-megapixel camera.

Other possible CES product reveals include a cheaper model of the Galaxy Note 2 device and a 13.3-inch hybrid tablet with a detachable keyboard to take on Asus's Transformer line.

CES 2013 takes place between January 8 and 11 next year.