To sign out of iCloud on all of your devices at once, you can head to iCloud's website and change your password.

You can sign out of Google account via a web browser on a desktop or iPhone, but you'll need to open the Settings app to sign ...

I go step by step to show how I set up a new Apple ID right on my iPhone. I show how to check your current Apple ID, what email rules you need to know, and how to create a new Apple ID using the Apple ...