Photos of purported ‘iPhone 5′ engineering samples have been leaked online by Gottabemobile.

A trusted source inside the Apple supply chain sent images of the metal iPhone 5 design sample. The metal block shows the size of the iPhone 5, where the antenna and ports will be be and other design aspects.

The iPhone 5 is the first significant iPhone redesign since the iPhone 4 was introduced in June 2010. It will likely debut alongside iOS 6 this fall.