There's a free battery replacement "quality program" for that issue. [1] Also (unrelated, but will apply to many here), if you have a MacBook or MacBook Pro th

There's a free battery replacement "quality program" for that issue. [1] Also (unrelated, but will apply to many here), if you have a MacBook or MacBook Pro that the anti-glare coating has started to come off screen (typically around the edges), you can get a new screen for free. [2] [1]: https://www.apple.com/support/iphone6s-unexpectedshutdown/ https://www.apple.com/support/iphone6s-unexpectedshutdown/ [2]: https://www.macrumors.com/2017/11/17/apple-extends-free-staingate-repairs/ https://www.macrumors.com/2017/11/17/apple-extends-free-stai... (Apologies, couldn't find the Apple link.)