This effect has been in here since iOS 10.2.1; so it doesn’t explain any slowdown that occurred prior to that OS release It’s very real though. A fresh clean r

This effect has been in here since iOS 10.2.1; so it doesn’t explain any slowdown that occurred prior to that OS release It’s very real though. A fresh clean reset of my old iPhone 7 had a significantly lower Geekbench score, and that went away after the battery (capacity: 78% of design) was replaced.