The highly anticipated follow up to Samsung’s Galaxy S II will not be unveiled at next month’s Mobile World Congress, according to The Verge. The Galaxy S III was rumored to be debuting in Barcelona next month, however it has reportedly now been delayed. The reason for delay was not disclosed, although it is still slated to be released “before summer” according to the report. The Galaxy S II was announced at last year’s Mobile Wold Congress, but Samsung is said to have been uncomfortable with the long delay between the global launch and availability in the U.S., where it is the most popular Android vendor. The company will still feature “interesting stuff” in place of the Galaxy S III, perhaps an updated Galaxy Tab or even a new Windows Phone handset.