Q: forgot my apple id and password how can i activate my phone after restore

Your Apple ID

    1.  Forgot iCloud Password

    2.  Forgot Apple ID

    3.  Apple ID - Apple Support

    4.  Manage your Apple ID primary, rescue, alternate, and notification email addresses - Apple Support

    5.  If your Apple ID has been locked - Apple Support

    6.  About your Apple ID email addresses - Apple Support

    7.  Get help with Apple ID

From a post by Kappy

Start here: https://iforgot.apple.com

If the Apple ID is yours, you can use Apple’s iForgot service or contact their Account Security team.

If you’re the iPhone’s original owner, you can take it and its purchase receipt to a physical Apple Store.

If neither of the above applies to you, you need to contact at least one of the people who they do.

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Forgot your Apple ID

Apple ID: If you forget your password