last year that it to help prevent battery issues like unexpected shutdowns. But not everyone .
Initially, this battery throttling only applied to theor older. Later it came to the and . As of iOS 12.1 it’s coming to the , and . It shouldn’t be as drastic, however, as it was on the 6S.
In iOS 11.3, Apple gave iPhone users access to, which let people using older iPhones turn on or off the throttling feature (called peak performance capability). In a support page updated Wednesday, Apple said that the feature will come to last year’s iPhones, the iPhone 8, 8 Plus and X, with iOS 12.1. But Apple points out that performance management may be less noticeable due to the newer iPhones’ more advanced hardware and software.
iPhone batteries naturally degrade as time goes on, and the throttling and unexpected shutdowns are more likely to occur with older iPhones. Since the 8, 8 Plus and X are newer, their batteries are likely to be in better shape than their older iPhone counterparts.
Still, if you do suspect any throttling or battery degradation in your 2017 iPhone, you’ll be able to closely monitor battery management in iOS 12.1 settings. From there you’ll be able to see if your iPhone is being throttled, and turn it on or off.