In mid-December, a Reddit user under the nickname TeckFire noticed: when the battery wear on his iPhone 6s reached 20%, the smartphone began to work much more slowly. Then, few people took the news seriously – you never know what the geek “thought” … But on December 21, 2017 Apple sent TechCrunch, a well-known IT resource … a letter acknowledging that it specifically makes the 2012-2016 iPhone slower!
Why are old iPhones starting to slow down?
Apple writes that it is forced to artificially lower the clock speed of the chips on older devices like the iPhone 5s, 6, 6s and 7. Why? The fact is that due to the increased load, the processors of these smartphones periodically reach maximum power and consume too much energy. This leads to a spontaneous shutdown of the device and other problems with the gadget. If you leave everything as it is, they say in Apple, such an iPhone will work less, and the battery replacement time will be faster:
“Our task is to offer users the best conditions, which includes overall performance and extending the operating time of their devices. Lithium-ion batteries cope worse with peak loads in the cold season, at low charge levels or due to natural wear, which, in turn, leads to a forced shutdown of the device in order to protect electronic components.
Last year, we released for iPhone 6, iPhone 6s and iPhone SE the function of smoothing sudden exits to peak power – exclusively for those cases when it is necessary to protect the device from unexpected power outages under the conditions described above. We have now added this feature to the iPhone 7 running iOS 11.2, and in the future we plan to add support for other products as well. ”
The feature Apple writes about was added in iOS version 10.2.1. Then iPhone 6s users began to massively complain about spontaneous shutdowns of their devices, and Cupertino engineers found only two solutions: depending on the request for energy consumption, either limit the energy consumption by the chip, or split the request into several cycles.
What needs to be done to avoid throttling from Apple? Just replace the battery! The user @sam_siruomu on his Twitter page reports that: the processor of his new iPhone 6 3 years ago worked with a clock frequency of 1400 MHz, while now the heart of the smartphone gives out only 600 MHz. Replacing the battery restored the processor clock speed to the previous level, and now the old iPhone 6 is much faster even on the latest versions of iOS.
So it’s true Apple intentionally slow down old iPhones. Proof: My iPhone 6 was bought 3years ago and recently got really slow. APP ‘CPU DasherX’ shows iPhone CPU is under clocked running at 600MHz. After a iPhone battery replacement. CPU speed resumed to factory setting 1400MHz. pic.twitter.com/pML3y0Jkp2
According to Apple standards, the iPhone battery provides up to 80% of the original capacity after 500 full charge cycles. IOS automatically notifies the owner of the need to replace the battery by sending a special notification.
Replacing the battery for AppleCare holders of AppleCare insurance during the warranty or under the law on consumer protection in Russia is free of charge, for all other cases it is a paid service. You can get full information about replacing the battery on a special page on the Apple Russia website.