I have an iPhone 6 and beta tested iOS 11 on it. It ran just fine during testing with the exception of the odd functional bug here and there. But now on the latest public release it’s suddenly taking far more time to do the most trivial tasks.

No argument that there’s a distinct difference in performance capabilities between hardware levels – and the benchmark apps all clearly show a difference in capabilities. But I’m starting to think somebody’s inserted a few random equivalent bits of…

if hw.version != iphone8 or iphonex:

  sleep random(10)

endif