"Unexpected shutdowns" refers to situations where a device, such as a computer or a smartphone, suddenly powers off or stops working without warning.
Full definition
About a year ago in iOS 10.2.1, we delivered a software update that improves power management during peak workloads to
avoid unexpected shutdowns on iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, and iPhone SE.
In a letter to customers this afternoon, Apple explained that it added a feature in iOS 10.1.2 that successfully reduced the occurrence
of unexpected shutdowns on iPhones.
Some users have reported similar
unexpected shutdown issues with iOS 8 and iOS 9 updates in the past, too, so again, we can't say if iOS itself is specifically at fault.
The performance management feature was implemented by Apple in a previous release without users» knowledge to dynamically manage the maximum performance of the device in an attempt to prevent
unexpected shutdowns in cold weather or similar conditions if the battery is degraded.
Though we should expect Apple to investigate and fix the bug that
causes unexpected shutdowns even when the battery is more than 30 % full, users should also understand how these iPhone batteries work.
As you probably know by now, Apple introduced a power management feature in iOS 10.2.1 for iPhone 6, iPhone 6 Plus, iPhone 6s and iPhone 6s Plus and iOS 11.2 for iPhone 7 and iPhone 7 Plus to prevent
unexpected shutdowns because over time the battery runs out of capacity, and can not supply enough power to the iPhone in times of peak processor usage.
As always, our team is working on ways to make the user experience even better, including improving how we manage performance and avoid
unexpected shutdowns as batteries age.
But another «small number of customers» outside this «area» have been
reporting unexpected shutdowns as well, and «more information» is needed ahead of a verdict, battery swap or recall, with an «additional diagnostic feature» coming as part of an iOS software update next week.
There's still a chance, however, that the handset could suffer
from unexpected shutdowns because the feature will be disabled.
Samsung may have been hoping that the S8's Oreo rollout would be complete by the time that the S9 was announced, but since the rollout ran into issues
with unexpected shutdowns, that may not be the case.
But according to Apple, its measure is intended to prevent
unexpected shutdowns when their phones attempt to draw more power than the battery can deliver when you're running a CPU - intensive process.
«At issue is a power management feature that was initially introduced in iOS 10.2.1 in the iPhone 6 and the iPhone 6s, which was implemented to prevent
unexpected shutdowns due to high power draw peaks.
You probably know by now about Apple's controversial decision to introduce power management feature in iOS 10.2.1, which could impact the performance of older iPhones to prevent
unexpected shutdowns during peak workloads.
While the Cupertino giant has previously dealt with complaints
about unexpected shutdowns and flickering screens on the iPhone 6, reports about fire - catching Apple devices have been scarce — though not entirely non-existent.
Today's statement by Cook now confirms that going forward, iOS update will offer users with the ability to turn off this throttling of CPU if they prefer performance over better battery life although doing so might result in them
facing unexpected shutdown issue on devices with degraded batteries.
According to Apple itself, the batteries in these iPhones were exposed to the air for too long during the manufacturing process, so they degrade faster over time and lead to
unexpected shutdowns even though devices still show around 50 percent of battery left.
Since the second beta of iOS 11.3 was seeded, Apple has published a support document to outline its efforts with throttling iOS in an effort to sustain battery life and
stop unexpected shutdowns in older iPhones with aging batteries.
The Cupertino company has now issued a statement to TechCrunch confirming that the release of iOS 10.2.1
reduced unexpected shutdown issues on iPhone 6s by 80 percent.
Word of the exchange's
unexpected shutdown emerged last Friday, when some 30 MyCoin clients informed a local Hong Kong legislator, Leung Yiu - chung, that they believed they were the victims of fraud at the hands of the company.
Its latest devices use more advanced hardware and a different power management system that allows iOS to avoid
unexpected shutdowns without having to cap processor performance.
· Machine is running in a virtual environment · Presence of machine memory dumps in the past 30 days · Presence of user mode memory dumps in the past 30 days · Problems related with machine memory dump configuration ·
Unexpected Shutdown Event Logs on System Log from past 30 days · Machine Memory Dump related event logs on System log from past 30 days · Pre-release version of Windows 7 or Windows Server 2008 R2 · Evaluation versions of Windows 7 or Windows Server 2008 R2
As a point of fact, when iPhone 6s users began experiencing
unexpected shutdowns back in 2015, Apple offered them free battery replacements while engineers figured out what to do about the problem.
Following Apple's 10.2.1 update to iOS, the iPhone 6, 6S, SE and 7 are capable of slower peak performance as the phones» battery ages, leading to improved overall stability while nixing the
pesky unexpected shutdowns that older iPhones often suffer from, according to Apple.
Once you're there select iPhone, select Battery, Power & Charging,
select Unexpected shutdown or restart, select No and select a customer support option such as Chat.
Following the revelation that Apple had been purposefully slowing down older iPhones to
combat unexpected shutdowns, France launched an investigation into the possibility of planned obsolescence.
The iPhone
6s unexpected shutdown fix program will be available for three years after the first retail sale of the handset
It's less to do with iPhone models and more to do with battery capacity: If your iPhone is running iOS 10.2.1 (iPhone 6, SE, or 6s) or iOS 11.2 or later (iPhone 7 and 7 Plus) and its battery health is low enough to potentially
trigger unexpected shutdowns, iOS throttles the CPU and GPU to keep it from triggering a restart.
If the serial number falls within the specific range covered by the repair program, Apple will replace the battery of the iPhone 6s for free, and that should fix the problem
of unexpected shutdowns.
Apple had actually announced this change to performance along with iOS 10.2.1 a year ago, as the fix to a problem with the iPhone 6 that
caused unexpected shutdowns if older batteries couldn't provide enough power to the processor.
Promised its team was «working on ways to make the user experience even better, including improving how we manage performance and avoid
unexpected shutdowns as batteries age.»
It goes over battery aging, and then touches on the feature that Apple implemented last year (which effects phones as old as the iPhone 6 and as recent as the iPhone 7 right now), which it admits that while the primary goal is to
avoid unexpected shutdowns of those devices, users can experience slower app launching and more:
Apple's decision to introduce power management feature in iOS, which could slow down older iPhones to prevent
unexpected shutdowns during peak workloads has been a controversial one.
Apple had its own share of battery issues late last year, with iPhone users complaining
about unexpected shutdowns and a 30 percent battery bug, but the iPhone 7 is not among the ones affected.
It wasn't that long ago that Apple CEO Tim Cook responded to criticism of Apple for slowing down older devices with degraded batteries in order to prevent them
from unexpected shutdown issue.
Apple today posted an article on its Chinese support site, explaining the recent state of iPhone 6s devices experiencing problems
with unexpected shutdowns.
«This feature's only intent is to prevent
unexpected shutdowns so that the iPhone can still be used,» continued Apple in the statement.
Two months later, Apple released iOS 10.2.1, which promised to
reduce unexpected shutdowns in the iPhone 6s by 80 percent and in the iPhone 6 by 70 percent.
Phrases with «unexpected shutdowns»