Send the following on WhatsApp
Continue to Chat不建議升級至 iOS 8.0 的裝置:iPhone 4s、iPad 2! https://qooah.com/2014/09/18/iphone-4s-ipad-2-hold-back-on-ios-8/
不建議升級至 iOS 8.0 的裝置:iPhone 4s、iPad 2! https://qooah.com/2014/09/18/iphone-4s-ipad-2-hold-back-on-ios-8/