“We’ve just got our hands on an engineered prototype of iPhone 4, with 64 GB storage capacity,” Chris Chang reports for M.I.C. Gadget. “We tested it, and it is the real thing, no jokes here.”
“On the back of the device, it has ‘XXGB’ marking, representing the unit as potential Apple prototypes,” Chang reports. “We went to the Settings -> General -> About to check the storage capacity, and it is indeed a 64GB model, running iOS 4.1. And it is not SIM-locked.”
Chang reports, “There are no plus (+) and minus (-) symbols on the volume buttons.”
Full article, with more info, photos and video, here.