Like the other poster above, the 6 plus was one of my worst iPhone purchases. It was the slowest iPhone out of the box compared to my prior iPhones which required another iOS revision or two before they really began to feel slow. My 6 plus felt more laggy than my 5s when brand new. My then brand new iPad Air 2 destroyed my also then new 6 plus in speed. Too much performance was sacrificed to cut down the power usage to make the phone thinner. The 6S plus corrects all of this and more!