The Apple CEO spoke favorably in the interview about the new software update of iOS 11 being released to upgrade iPhones and iPads. As is common in this industry, even with rigorous testing internally and externally through the public and beta groups, problems and bugs arise when consumers update their technology. See https://www.macworld.co.uk/news/iphone/ios-11-problems-fixes-3675251/ for a description of these issues. How would you recommend applying SPC concepts in this case?