 Other A5-based devices will also support iOS 9 including the iPad 2 (6 major iOS versions), the iPhone 4S (5 major iOS versions) and the iPad Mini (4 major iOS versions).iOS 9.3.5 is the last update that supports the iPod Touch 5th generation as it is incompatible iOS 10 along with the iPhone 4S, iPad 2 and 3, and iPad Mini 1st generation due to hardware limitations.The fifth generation iPod Touch features the Apple A5 chip which is similar to the one on the iPhone 4S, iPad 2 and the iPad Mini.