Building for armv6 in Xcode 4.5The original iPhone, iPhone 3G, and first two generations of iPod touch used processors supporting the armv6 instruction set. However, with the iPhone 3GS, Apple moved to the more modern, but backwards compatible, armv7 instruction set, and the iPhone 5 includes armv7s. To support older devices while taking advantage of the capabilities of the newer processors, iOS supports fat binaries, which are
