The guys over M.I.C was able to get their hands on an engineered prototype of iPhone 4 with 64GB storage capacity. Is this the next-generation (iPhone 4S/5) of iPhone ? Really don't know, but according to the guys who made the below video that it is real thing.
According to Engadget, this device is being sold in grey markets of Hong Kong for $1,734. The device owner said that this device has been leaked from Foxconn's factory in Shenzhen. Do you expect that Apple planning for 64GB iPhone?