The very first thing you're required to do whenever you get a new Apple device is to log in with your Apple ID, aka Apple Account, on it. You're also provided the ...

If you stop using your Apple ID's email address, you can change it on your iPhone to protect your account and continue using ...

So you’ve just unboxed a shiny new (or second-hand) iPhone, powered it on, and now it’s asking, sometimes nagging, you to sign in with an Apple ID. If you’re wondering whether this is absolutely ...