From the Home screen, tap Settings.
Tap Sign in to your iPhone.
Tap the Apple ID field.
If you already have an Apple ID, follow the steps to set up your account on this device. If you don't have an Apple ID yet, tap Don't have an Apple ID or forgot it?
Enter your email address.
Tap Next.
Enter your password.
Tap Next.
You may be asked to input a code sent to another iOS device using the same Apple ID, as well as your iPhone's passcode if one has been set up.
To sign out of your Apple ID, select your profile in Settings.
To sign out of your Apple ID, scroll to and tap Sign Out.
Enter your password.
Tap Turn Off.
Select any content you'd like to keep a copy of.
Tap Sign Out.
Tap Sign Out again.
You've completed the steps!
