Apple is Allegedly Slowing Down Older iPhones With Degraded Batteries

Apple is allegedly underclocking the CPU of iPhones with degraded batteries to prevent unintended shutdowns and extend battery life, according to numerous reports on reddit.

Yesterday, reddit user TeckFire posted Geekbench results before and after replacing the battery on an older iPhone 6s. Prior to replacing the battery, the device achieved a single-core benchmark score of 1466 and a multi-core score of 2512. That's well below the average of 2330 and 3984. After the battery replacement, Geekbench reported a single-core score of 2526 and a multi-core score of 4456. TechFire's battery had a wear level of around 20%.

You may remember that a year ago Apple instituted a battery replacement program after iPhone 6s users reported unexpected shutdowns. At that time they claimed only a small number of users were affected due a manufacturing issue. The company then released iOS 10.2.1 three months later which was mysteriously able to fix unexpected shutdowns for 80% of affected iPhone 6s devices and 70% of iPhone 6 devices. It now appears as though the company started underclocking the CPU in iOS 10.2.1 if a battery in poor condition was detected.





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