Sony Ericsson Xperia X1 shows up on FCC minus 1700MHz support

Sony Ericsson's Xperia X1 smartphone has shown up on the FCC's website recently. According to the documents available, the device was tested only for AT&T's 1900MHz UMTS network band, with no mention of the 1700MHz and 850MHz bands found in the filing. The original specs for the device at launch time listed two quad-band UMTS versions: 850/1700/1900/2100MHz and 900/1700/1900/2100MHz. The lack of