By | October 05 2011 4:40 PM

Samsung finally launched its Galaxy S II smartphone in the U.S. Wednesday, but the company will try to take a bigger bite out of Apple with its highly-anticipated smartphone, the Nexus Prime. The Prime, which has been rumored for months but is still unconfirmed, is widely believed to be unveiled at Samsung Mobile's Unpacked 2011 event on Tuesday in San Diego.