In an interview with ABC News, Tim Cook was asked for his take on Apple slowing down iPhone with degraded batteries. He revealed that the developer beta including these features will be released next month, with a public release to follow after. Moreover, he says that this forthcoming update will give users the option to disable performance throttling if they would rather be at risk of unexpected shutdowns but maintain full CPU and GPU performance. This implied an enhancement of the Battery screen in iOS Settings to include more information about the iPhone’s battery health and whether users were being subjected to Apple’s advanced power management throttling.
It did not say anything about Apple giving users the choice to disable battery throttling, so either Tim Cook misspoke (in an interview focused on Apple’s investment into the US following tax reform) or he is sharing new details.
This new feature will make a lot of users happy who have openly asked for the ability to use their iPhone at full speed knowing that it increases the likelihood of their device randomly turning itself off if the battery cannot provide enough instantaneous voltage
A developer beta in February probably means a public release of this update will be available in March. Apple’s battery throttling techniques are activated on iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone 7, iPhone 7 Plus and iPhone SE as of iOS 11.2. It can reduce performance by up to 50% in benchmarks, but only kicks in if the system determines that the battery is degraded.