I have yet to wait all day for my iPhone 5 to do stuff. You're exaggerating, and all I hear is you complaining about it. If you have that many issues, there are other phone makers out there.
So both me and the poster above are exaggerating huh? Just because you don't notice the performance hit doesn't mean everyone else can't . My iPhone 6 has had a huge slowdown since iOS 8. Lately it cant even keep more than 4 apps in memory .I even have YouTube videos showcasing the slowdown, so there