https://futo.org/workshops

https://www.cnbc.com/2023/01/03/apple-hikes-iphone-battery-replacements-20.html

https://www.youtube.com/watch?v=k9YnsC3VyPM

https://support.apple.com/iphone-6s-6s-plus-no-power-issues-program

https://web.archive.org/web/20180103234202/https://www.apple.com/support/iphone6s-unexpectedshutdown/

https://www.apple.com/newsroom/2019/01/letter-from-tim-cook-to-apple-investors/