I just bought an unlocked, unbranded 9780 from amazons to use with at&t. There was also some rumor going around that the Bold 9780 will make problem with an AT&T's 3G Network. I read in one article that the area problem has been arrive on it. Will the 3G on this work in Europe and USA? I need the smartphone that supports the 3G network on both this location. Thanks for any kind of help related to this issue.