iOS 10.2.1 “fixed” the sudden shutdown issues by dynamically scaling clock speed based on battery wear, and capacity. It would be good to verify the former in

iOS 10.2.1 “fixed” the sudden shutdown issues by dynamically scaling clock speed based on battery wear, and capacity. It would be good to verify the former in a controlled environment. The latter is easily verified by Geekbenching your iPhone every 10% it drops.