Apple Explains iPhone 6s Battery Shutdown Problem to Chinese Customers

Apple’s iPhone 6s battery shutdown problem occurs at around 30% charge, when the device suddenly shuts down. The company has already launched a battery replacement program, but now it has further clarified the issue on its Chinese language website, to ease concerns of customers and consumer protection groups.

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According to Apple’s statement on this support document (via Business Insider), the company says they have “thoroughly looked into these reports, and collected and analyzed devices”, to conclude the following:

We found that a small number of iPhone 6s devices made in September and October 2015 contained a battery component that was exposed to controlled ambient air longer than it should have been before being assembled into battery packs. As a result, these batteries degrade faster than a normal battery and cause unexpected shutdowns to occur. It’s important to note, this is not a safety issue.


We also want our customers to know that an iPhone is actually designed to shut down automatically under certain conditions, such as extremely cold temperature. To an iPhone user, some of those shutdowns might seem unexpected, but they are designed to protect the device’s electronics from low voltage.

Apple says customers are encouraged to contact customer service and also use their battery replacement program website to see if their device is eligible for free replacement service.

While Apple says the problem lies within the iPhone 6s only, older iPhone users are noting the problem also exists for their devices, suggesting this may also be a software issue as well.