iphone6 iOS11.1.1 update lagging
before i updated to any of the 11 series iOS updates, my phone was great with the 10.3.3. I've update like apple support said after the lag from 11.0.1
now it lags worse than ever how can i go back to 10.3.3 or get this fixed
thank u, Alex
iPhone 6, iOS 11.1, iOS 11.1.1