What if I forgot my Apple id and my phone is on security lockout

Typically an Apple ID is an email address you have used.

Click on this link to read about ways to find your Apple ID --> If you forgot your Apple ID email address or phone number - Apple Support

or go directly to this link --> https://iforgot.apple.com/password/verify/appleid#

If you still need help:

Contact Apple for help with Apple ID account security "This article provides country-specific Apple Support contact information for customers seeking help with their Apple ID password or other security-related issues."

Contact Apple for help with Apple ID account security - Apple Support

Also look in Keychain, and in a browser's security settings if you use it to automatically sign into Apple when using a browser.

Once you know your Apple ID you can use the instructions in this article to remove the Security Lockout. If you see an iPhone or iPad unavailable message or Security Lockout screen - Apple Support