iPhone 8, 8 Plus, and X Batteries Less Impacted by Performance Management

Apple's newest iPhones, including the iPhone 8, iPhone 8 Plus, and iPhone X, use a "different performance management system" than older iPhones, which means any performance management features may be less noticeable on these devices.

Apple outlined the difference between its newer iPhones and older models in an updated support document covering the Battery Health features introduced in today's iOS 11.3 beta. Apple says iPhone 8, 8 Plus, and X use a more advanced hardware and software design that's better able to estimate power needs and battery performance.

iphone88plusxbattery

iPhone 8, iPhone 8 Plus, and iPhone X models use a more advanced hardware and software design that provides a more accurate estimation of both power needs and the battery's power capability to maximize overall system performance. This allows a different performance management system that more precisely allows iOS to anticipate and avoid an unexpected shutdown. As a result, the impacts of performance management may be less noticeable on iPhone 8, iPhone 8 Plus, and iPhone X. Over time, the rechargeable batteries in all iPhone models will diminish in their capacity and peak performance and will eventually need to be replaced.

Though the iPhone 8, iPhone 8 Plus, and iPhone X may be less impacted by performance management features in the future, Apple says that the rechargeable batteries in all iPhone models will eventually diminish in capacity and need to be replaced for the iPhone to continue running at peak performance.

While Apple previously said that the iPhone 8, 8 Plus, and iPhone X do not have power management features installed at the current time, today's updated support document gives us some insight into how these devices might be affected in the future.

Apple has implemented performance management features in the iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, and iPhone 7 Plus. As of iOS 11.3 beta 2, customers can check to see if their devices are impacted by processor slowdowns in a new "Battery Health" section of the Settings app.

Installing iOS 11.3 will turn off any current performance management features on older devices, and it will only be reimplemented if and when a device experiences an unexpected shutdown. Customers also have the option of turning off the feature even after an unexpected shutdown, but it will need to be disabled after each performance failure.

For devices that have degraded batteries that are causing performance issues, replacing the battery solves the problem. Apple is continuing to offer $29 battery replacements through the end of 2018.

Top Rated Comments

longofest Avatar
39 months ago
Meanwhile, Android phones don't need to use any "performance management" at all to avoid shutting down.

But by all means, Apple, tell us why this is so "needed".
Score: 49 Votes (Like | Disagree)
btrach144 Avatar
39 months ago
That's because this is all a cover up for faulty batteries and power management chips that were used in the 6,6s, and 7 iPhones.

No iPhones before these suffered from random shut downs and reboots.
Score: 46 Votes (Like | Disagree)
falainber Avatar
39 months ago

They're also only a couple months old so the battery hasn't degraded to the point of models more than a year old now. We know most batteries start heading downhill after about a year or 1000 charges.

You still don't get it. Apple just admitted that they screwed up power management design on 6 and 7 models. They were trying to hide it but failed. They will pay for it eventually.
Score: 25 Votes (Like | Disagree)
Chloros Avatar
39 months ago
Iphone 8 and X will be affected when the next iphones are released.
Score: 25 Votes (Like | Disagree)
SlasherKG Avatar
39 months ago

Meanwhile, Android phones don't need to use any "performance management" at all to avoid shutting down.

But by all means, Apple, tell us why this is so "needed".

You're right, Android will simply shut down instead, which is what iOS is attempting to avoid.
My GF's LG G5 will simply shut off suddenly at about 16% battery left.

That's a much better user experience! :rolleyes:
Score: 23 Votes (Like | Disagree)
A7ibaba Avatar
39 months ago
They lying again.
Score: 14 Votes (Like | Disagree)

Top Stories

16inchmacbookpromain

Kuo: New MacBook Pro Models to Feature Flat-Edged Design, MagSafe, No Touch Bar and More Ports

Thursday January 14, 2021 9:32 pm PST by
Apple is working on two new MacBook Pro models that will feature significant design changes, well-respected Apple analyst Ming-Chi Kuo said today in a note to investors that was obtained by MacRumors. According to Kuo, Apple is developing two models in 14 and 16-inch size options. The new MacBook Pro machines will feature a flat-edged design, which Kuo describes as "similar to the iPhone 12" ...
foldable iPhone concept feature

Apple Testing In-Display Fingerprint Sensor for iPhone 13, Foldable iPhone Also in the Works

Friday January 15, 2021 1:46 pm PST by
Apple has started "early work" on an iPhone that has a foldable display, according to a new report from Bloomberg's Mark Gurman. Though testing of a foldable iPhone has begun, Apple has not committed to releasing a device that has a foldable display. Development has not yet expanded beyond a display and Apple does not have full foldable iPhone prototypes in its labs. Like foldable...
iphone x camera close

iOS 14.4 Will Introduce Warning on iPhones With Non-Genuine Cameras

Thursday January 14, 2021 8:07 am PST by
In the second beta of iOS 14.4 seeded to developers and public testers this week, MacRumors contributor Steve Moser has discovered code indicating that Apple will be introducing a new warning on iPhones that have had their camera repaired or replaced with aftermarket components rather than genuine Apple components. "Unable to verify this iPhone has a genuine Apple camera," the message will...
iP12 charge airpods feature 2

Hidden iPhone 12 Hardware Feature Could Still be Unlocked

Thursday January 14, 2021 2:51 am PST by
All iPhone 12 and iPhone 12 Pro models purportedly have a hidden reverse wireless charging feature, according to an FCC filing. The feature has not yet been activated, but could yet be unlocked for an upcoming Apple accessory. The FCC filing suggests that iPhone 12 models contain the hardware for Wireless Power Transfer (WPT) to accessories: In addition to being able to be charged by a...
Top Stories 43 Feature

Top Stories: MacBook Pro, iMac, Mac Pro, and iPhone Rumors, Best of CES 2021

Saturday January 16, 2021 6:00 am PST by
This week was sure a busy one in the Apple world, with a flurry of announcements out of CES early in the week followed by a rash of Mac- and iPhone-related rumors later in the week. The new rumors this week included details on updated MacBook Pro, iMac, and Mac Pro models, as well as a few other tidbits, so make sure to read on below to get caught up! Kuo: New MacBook Pro Models to...
iphone 5s black slate

Images of Unreleased iPhone 5s in Black and Slate Shared Online

Sunday January 17, 2021 9:47 am PST by
Twitter user @DongleBookPro has today shared images of a prototype iPhone 5s in an unreleased Black and Slate color. The iPhone 5s was launched in September 2013. The device featured Touch ID, a 64-bit processor, and a True Tone LED flash for the first time. Other new features included a five-element lens with an f/2.2 aperture, a 15 percent larger camera sensor, Burst Mode, and Slo-Mo...
Apple TV Ray Light 2 Triad

Apple Extends Free Apple TV+ Trials Until July

Friday January 15, 2021 10:50 am PST by
Apple is once again planning to extend its free Apple TV+ trial subscriptions, this time until July. When Apple TV+ launched in November 2019, Apple offered free Apple TV+ subscriptions to those who purchased a new Apple device in or after September 2019. Those free subscriptions were set to expire in November 2020, but in October 2020, Apple announced that it was extending free trials...
pat gelsinger intel

Incoming Intel CEO Derides Company's Inability to 'Deliver Better Products' Than Apple's M1 Chip

Friday January 15, 2021 6:17 am PST by
Incoming Intel CEO Pat Gelsinger has said that the company must "deliver better products" than Apple, which he described as a "lifestyle company," and says that Intel's best days are "in front of it" (via The Oregonian). Speaking at an Intel all-hands meeting yesterday, Gelsinger derisively implied that Apple is merely a "lifestyle company," so Intel must be able to surpass its technology: ...
mac pro mini feature

Apple Working on Two New Mac Pro Desktops, One of Which Will Be Reminiscent of Power Mac G4 Cube

Friday January 15, 2021 10:23 am PST by
Apple is developing two versions of the Mac Pro to succeed the Mac Pro that was first released in December 2019, according to a new report from Bloomberg. The first updated Mac Pro is a direct successor to the current Mac Pro and it will use the same design. It may also be equipped with Intel processors rather than Apple silicon chips, and it could be one of the sole machines in the Mac...
macbook pro 16 inch thunderbolt

Bloomberg: Next-Generation MacBook Pro to Offer Improved Displays, Faster Charging Over MagSafe

Thursday January 14, 2021 11:36 pm PST by
Following today's report from analyst Ming-Chi Kuo outlining major changes for the next-generation MacBook Pro models coming in the third quarter of this year, Bloomberg's Mark Gurman has weighed in with his own report corroborating some of the details but seemingly differing a bit on others. First, Gurman shares more details on the return of MagSafe charging to the MacBook Pro, indicating...