■Apple
iOS 12 さらなる力をあなたに。
https://www.apple.com/jp/ios/ios-12/

iPhone User Guide
https://help.apple.com/iphone/12/?lang=ja

iPad User Guide
https://help.apple.com/ipad/12/?lang=ja

■前スレ
iOS 12.xを語るスレ Part14
https://fate.5ch.net/test/read.cgi/ios/1538880829/