Today, Apple released iOS 7.1 beta version for the iPad tablets. Through the list of supported models we also find out two new unnanounced models, the iPad 4,3 and the iPad 4,6.
Even if Apple didn’t announced these tablets, they represent minor hardware revisions. As we may know, Apple updates its devices with improved and more efficient components.
These kind of devices are announced rarely and they don’t affect customers. It is also possible that these devices could be devices optimized for overseas networks.