In most cases, iOS 11 load time than iOS 10.3.3 system to be slower, usually in the range of 1 second. From the list of information displayed, email, notes, and maps and other parts of the application of the loading time has been lengthened, but the camera application start-up time has not changed, but the cold start time from 26.6 seconds to 38.6 seconds, Download and apply the installation time will have a longer time.
After the “Reduce Motion” option is turned on in iOS’s secondary settings, the applied load time can be improved by 0.1-0.9 seconds, but some extra animation is sacrificed. In iOS 11 Safari browser running sub-subtle improvements, iPhone 5s loading time by hardware restrictions, in addition to the use of Apple Pay, 3D Touch, ARKit and Siri updates and so on.