IOS 11 is a free update to Apple's long-running iOS operating system for phones. It bears noting that the iPhone 5 and 5C are not compatible with iOS 11,. IOS 11 system requirements Apple is officially dropping support for 32-bit devices, which means older devices like iPhone 5 and iPhone 5c are out out of the picture. As a result of 64-bit requirement, iOS 11 does not run legacy 32-bit apps at all. IOS 11 and above are designed for the newer hardware architecture, a 64 but architecture. Every command, every line of code, every pathway to and from processor and memory is 64 bit wide. So this means that since iPhone 5 is 32 bit, it cannot accommodate these commands. I hope this helps, if yes do upvote.
More ReadingBut at the time, some of you asked us to test a handful of additional older iOS gadgets, particularly the A7-equipped iPad Atmosphere and Mini 2 and the A new8-equipped iPhone 6 Plus. In the iPads, the exact same A7 CPU and GPU that capabilities the iPhone 5S' display screen offers to adequately support a capsule with even more than three instances as numerous pixels. And the A8 in the 6 In addition attracts a 2208×1242 picture which can be then downscaled to the cell phone's 1080p display screen; that indicates making use of a Central processing unit that has been around 25 percent faster than the A new7 and a GPU that was just 50 pct faster to support a telephone with 277 pct as several pixels.The upshot is that those gadgets can often feel slow or laggy likened to following models. Later on Apple chips-from the A new8X in the iPad Surroundings 2 and the A9 in the iPhone 6S and 6S Plus onward, approximately-remain even more than quick plenty of to run iOS 11 without any huge degradation of overall performance.