I had the same experience. The devices is noticeably slower. I feel like I had no choice because of the potential security problems of staying on iOS 7. e.g.

I had the same experience. The devices is noticeably slower. I feel like I had no choice because of the potential security problems of staying on iOS 7. e.g. https://isc.sans.edu/forums/diary/iOS+7+1+x+Exploit+Released+CVE-2014-4377+/18693 https://isc.sans.edu/forums/diary/iOS+7+1+x+Exploit+Released...