Below, the guide is divided into two sections: The regular, public updates (the official launches) and the beta updates (the ones you have to sign up to get before anyone else). I'll guide you through any potential issues you might have with the iOS 12 update, and tell you the best methods in fixing them. This simple solution is the same as the error message we received in iOS 11, iOS 10, iOS 9.3 and below.
Thankfully, this is a bug that has appeared on many iOS updates in the past and as such, we know a handy fix. Apple iPhone X review: Apple replaces the iPhone X with two new flagships, the Xs and Xs Max