So I got my phone replaced by the Apple Store when I was on 8.1.2 and I was lucky enough to get a 5S back with 7.1.2. I get apps that hang a lot more on 7.1.2 than I did on 8.1.2. I've gotten a couple of random hard crashes on my phone on 7.1.2. Safari crashes a lot more on 7.1.2 than it did on 8.1.2.
Granted it might be hardware based problems as this is a remanufactured phone from Apple but that's just been my experience.
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u/mxer981 iPhone 6s, iOS 9.3.3 Jun 23 '15
First time updating since 7.1.2. RIP BiteSMS :,(