Apple had already said that a future iOS update will give users more information about the status of their battery. In an interview with ABC News, they asked Tim Cook about his version of Apple, which slows iPhones with degraded batteries. He revealed that the beta version for developers that includes these features will be launched next month, and will be released later.
In addition, it says that this update will offer users the option of disabling performance acceleration if they would prefer to be at risk for unexpected stops but maintain full performance of the CPU and the GPU.
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In his letter of public apology on Apple.com regarding the debacle of the iPhone slowdown, Apple described the update as follows:
] At the beginning of 2018, we will launch an iOS software update with new features that give users more visibility into the battery status of their iPhone, so they can see for themselves if their condition is affecting performance.  This involved an improvement of the battery display in the iOS configuration to include more information about the health of the iPhone battery and whether the users were being subjected to Apple's advanced power management.
He did not say anything about Apple giving users the option to turn off the battery's acceleration, so neither Tim Cook was wrong (in an interview focused on Apple's investment in the US after the tax reform ) or is sharing new details.  The new feature will make many users happy who have openly asked for the possibility of using their iPhone at full speed knowing that it increases the probability that their device shuts off randomly if the battery can not provide enough instantaneous voltage.
You can hear Cook talking about this in the interview that follows. Skip at 4:30 to hear him talk about the debacle of the iPhone slowdown. Its wording is not ambiguous, clearly states that Apple will release the beta version of the developer (allegedly iOS 11.3) next month and that will include the ability of users to disable the performance limit if they wish.
Apple will not recommend that users disable acceleration, as it may mean that they will not be able to use their device in emergency situations.
A developer beta in February probably means that a public version of this update will be available in March.
Apple battery acceleration 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. You can reduce performance by up to 50% in benchmarks, but it is only activated if the system determines that the battery is degraded.
So far, Apple's solution has been to reduce the price of battery replacements to $ 29 until 2018 and tell customers to repair their phones with a new battery if they do not want to experience slowdowns. It seems that this next version of iOS will offer users another alternative, where they can continue using their iPhone at full speed, even if the battery is degraded (although with the possibility that the phone is turned off occasionally).