Tried updating my iphone 4
Be warned, doing this will require you to enter all of your Wi-Fi passwords again.Go to Settings | Reset | Reset Network Settings and then tap Reset in the dialog box.When your device has completed the reset, rejoin your Wi-Fi network and try the update again.4.Delete the update Sometimes a corrupt update can cause a problem, but you can remove and retry.I'll guide you through any potential issues you might have with the i OS 12 update, and tell you the best methods in fixing them.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).
Some of the problems are new, others have carried over from the previous version of i OS.
To do that, simply open up Safari and load a web page. If it doesn't work, disconnect and reconnect to your Wi-Fi router or turn your router off and on again.
It's also important that you're connected to a home network, as many company networks might filter out the connection to Apple's servers.
These are the ones that most of you will be familiar with.1.
Shut down the Settings app The first thing to try is shutting down the Settings app.