The Samsung Galaxy S II for the US Cellular just clears the FCC. This doesnt guarantee that the carrier will indeed get its own flavor of the Galaxy S II anytime soon; it is just another piece of evidence to consider. For anyone hopeful that this could have become Skyrocket or Galaxy S II LTE, that is not the FCC docs doesnt indicate the presence of LTE, means this is not the mysterious smartphone that you are expecting to launch in April.
