How do I change my birth date?

On your iPhone, iPad, or iPod touch

1. Go to Settings > [your name].
2. Tap Name, Phone Numbers, Email. You might need to enter your Apple ID password.
3. Tap Change Birthday or Birthday.
4. Update your birth date, then tap Done. If you're changing a birth date for a child, learn what to do.

Update the birth date associated with your Apple ID