I forgot Apple ID and password
Forgot password and Apple ID
Forgot password and Apple ID
Check your web browser's autofill entries, or use Apple's iForgot service, or contact their Account Security team.
If you've encountered the activation lock and are the unit's original owner, you can instead submit an unlock request as described in the Related Article above, but this won't grant access to anything else associated with that Apple ID.
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Recover Apple ID: https://iforgot.apple.com/password/verify/appleid
Forgot password: https://support.apple.com/en-us/HT201487
I forgot Apple ID and password