IPod Touch (5th generation) iOS being iOS 6, iOS 7, iOS 8 and iOS 9. iOS 9 is said by Apple to feature performance improvements that may help the aging device function more smoothly. 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 did not receive iOS 10 along with the iPhone 4S, iPad 2 and 3, and iPad Mini 1st generation due to hardware limitations. The
IPhone placement of the microphone and speaker on the base on the unit—the speaker is on the right. Volume controls are located on the left side of all iPhone models and as a slider in the iPod application. The 3.5mm TRRS connector for the headphones is located on the top left corner of the device for the first five generations (original through 4S), after which time it was moved to the bottom left corner. The headphone socket on the first-generation iPhone is recessed into the casing, making it incompatible with most headsets without the use of an adapter. Subsequent generations eliminated