Apple acknowledged today that some Appliances iPhone 6s stop working unexpectedly. So the company will replace the batteries in all these devices free of charge through branded retail stores and authorized service centers.
If you experience this problem with the device iPhone 6s you're using, Apple says there's no reason to worry because it's not a security issue. In short, you are not in danger of an explosion.
In addition, the company believes that this particular affects only devices from a limited range of serial numbers built between September and October of 2015.
Those interested can find more information from the link at the end of the publication.
The issue is completely different from the 'touch disease' problem observed in some iPhone 6 and 6 Plus devices. 'Touch disease' causes different symptoms, such as a gray line flickering at the top of the screen and reduced touch response of the device.
Apple said last week that clumsiness may be the problem users who have dropped their phones and that he will charge $149 for this particular repair.
Please note that since August, a collective lawsuit against the company has been filed against this problem.
https://www.apple.com/support/iphone6s-unexpectedshutdown/