The most-awaited event in months - Samsung Mobile Unpacked 2012 - got underway at Earls Court in London, Thursday, and in front of swarming crowds, the Korean tech giant unveiled what the whole world has been waiting for - Galaxy S3. And it's coming to the U.S. in June.

JK Shin, president and head of Samsung IT and Mobile, wowed the world by introducing Galaxy S3. The specs, we must admit, are impressive. Very impressive. People have been expecting a lot from the third generation Galaxy smartphone and Samsung delivered something extraordinary to meet the expectations.

Start the slideshow to check out the impressive specs and some of the most innovative features that have shaped Galaxy S3.