The code refers to iOS 5.1 / cores/core.3. According to sources from 9to5Mac points to a quad core processor, given core.0, core.1 and core 2, respectively, single-, dual-and triple-core processors. For example, the dual core processor of the iPhone 4S and iPad 2 classified as core.1 in iOS 5.
This is certainly not the first time that Apple refers to new technology in iOS 5, as appeared in earlier rumors shrouded iTV al IOS 5.1 As previously referred to a new a new iPhone, Apple TV, and several iPads , Apple responded by a later excessive state devices .