In a statement on its Chinese language website, Apple has revealed the source of the battery problem that has been causing iPhone 6s devices to shut down unexpectedly when the battery reaches 30 percent. “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,” Apple wrote.
“As a result, these batteries degrade faster than a normal battery and cause unexpected shutdowns to occur.”
The company goes on to point out that the problem isn’t a safety concern, claiming the sudden shutdowns are just the iPhone’s way of ensuring the faulty battery doesn’t hurt the device. “To an iPhone user, some of those shutdowns might seem unexpected, but they are designed to protect the device’s electronics from low voltage,” the statement reads.
Apple is offering free battery replacements for affected devices and has provided an online tool allowing users to enter their iPhone 6s’s serial number to determine if it is eligible for the recall. [via Business Insider]
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