My iPad 2 is still actively in use on iOS7 (it was better on iOS6) and I was using iPhone 4S with iOS6 until the end of last year. Many other people reported ba

My iPad 2 is still actively in use on iOS7 (it was better on iOS6) and I was using iPhone 4S with iOS6 until the end of last year. Many other people reported bad degradation on iOS8/9.