How do I link my Apple ID with my device?

Hi mba256,

Steps to sign in with your Apple ID on any device can be found in the following article. You'll also find steps specific to iPhone below: Sign in with your Apple ID - Apple Support

Sign in on your iPhone, iPad, or iPod touch

1. Open the Settings app.

2. Tap Sign in to your [device].

3. Enter your Apple ID and password.

4. If prompted, enter the six-digit verification code sent to your trusted device or phone number and complete sign in.

If you continue to experience issues please share the following.

• What do you see when you attempt to follow these steps?
• Were you previously signed in with your Apple ID?
• If you see an error or alert share the exact text..

These details can help facilitate additional replies from the community.

Regards.