Last December, when Apple was embroiled in a controversy over the throttling of some iPhone models, the company finally came clean. Apple admitted that in iOS 10.2.1, the company installed technology allowing it to slow down the CPU on units with older batteries. Owners of those devices were finding that when they had their iPhone perform a complex task, the phone often rebooted because of the weak battery. Throttling the CPU was one way to fix this issue. The models involved include the Apple iPhone 6 and later, including the iPhone SE.
Apple said that replacing the battery in these models …