I can't remember my Apple ID how can ii unlock my phone

Hello,

I see you have forgotten the email address which is used as your Apple account ID. Typically an Apple ID is an email address you have used frequently, so you may wish to try those. If those do not work, 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

Try and enroll in account recovery to regain access to your account

How to use account recovery when you can’t reset your Apple ID password - Apple Support

Hello again,

Since you are asking about a forgotten Apple ID I suggest you read what I posted. Note what Apple says in the account recovery document: "Use account recovery only as a last resort when you can’t sign in or reset your Apple ID password."