Below that, you'll see your battery's maximum capacity. You'll then see a screen with a link to more information about lithium ion batteries. Under Battery in the Settings app you'll notice the Battery Health option. The ability to disable - and even enable - throttling is only available for iPhones more than a year old running iOS 11.3 and later. In the Battery Health feature, you'll also see whether your iPhone needs service and you can subsequently turn off the controversial performance management feature that's throttling your iPhone if you want to. Apple is not yet throttling the phone though: "Your battery is currently supporting normal peak performance". You'll also see if your iPhone is being slowed by Apple's performance management feature.įor example, we have an older iPhone XR showing as having a 94 percent battery capacity. From there, you'll see information about your iPhone's maximum capacity and peak performance capability. To access the tool, go to Settings > Battery > Battery Health. This assessment is ongoing, allowing more adaptive performance management."Īpple What is the Battery Health feature?Īpple iPhones running iOS 11.3 and later have a Battery Health tool built in. If an unexpected shutdown occurs again, then performance management will increase.
With regards to the performance management feature, Apple describes it as: "If the battery health is able to support the observed peak power requirements, the amount of performance management will be lowered. Some of the things that won't be impacted by the performance feature are: Mobile call quality and networking performance, captured photo and video quality, GPS performance, location accuracy, sensors like gyroscope, accelerometer, barometer and Apple Pay. Some of the things you might notice when the performance feature has kicked in are: Longer app launch times, lower frame rates when scrolling, backlight dimming, lower speaker volume, gradual frame-rate reduction in some apps, disabled camera flash in extreme cases and apps refreshing in the background may require reloading upon launch.
#How much battery life iphone xr software
The software then assesses whether action is required and if it is, the maximum performance of some of the system components, like the GPU and CPU, will be managed in order to balance out workloads and allow for a smoother performance overall. It looks at a combination of things, like device temperature, battery state of charge and battery impedance. Unexpected shutdowns can occur for a number of reasons, be that extreme cold temperatures, or a device with a battery of high chemical age, for example.Īpple's iOS software will dynamically manage performance peaks in order to manage shutdowns. What is the iPhone performance management feature?Īpple's performance management feature is specific to iPhones and it's designed to prevent a device from unexpectedly shutting down so the device can still be used.
#How much battery life iphone xr how to
Here is everything you need to know about Apple iPhone's Battery Health and performance management features and how to control them. The performance management feature - or throttling as some have described it in the past - is also included on the iPhone 8, 8 Plus, iPhone X, iPhone XS, iPhone XS Max and iPhone XR, but it only kicks in after an unexpected shutdown first occurs on a device with a battery that has diminished ability to deliver maximum instantaneous power.Īpple iPhones from the iPhone 6 and later also have a Battery Health tool that was introduced with iOS 11.3 back in March 2018, along with the ability to turn off the iPhone's battery management feature. (Pocket-lint) - In 2017, Apple revealed it slows down older iPhones such as the iPhone 6, iPhone 6S, iPhone 7, and the first generation iPhone SE in order to prevent unexpected shut downs by managing the performance peaks.
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