Apple just can’t keep those iPhone 4G prototypes locked up from getting out into the wild. Yet another iPhone 4G prototype has been leaked via Mainguyen. Mainguyen has posted pictures and even 2 videos showing off this iPhone 4G prototype. This makes the 3rd leaked iPhone 4G prototype, the first iPhone 4G prototype was leaked via Gizmodo, then the 2nd one was leaked via Tinhte. Now, there’s no differences with this iPhone 4G prototype compared to the other two. Currently this iPhone 4G prototype boots up, however, the screen only shows “Inferno” on it with some type of fire image. This iPhone 4G prototype says that there is 16GB of storage inside, so Apple is obviously going to keep the storage the same most likely. Anyway, here are all the pictures and videos: