How can I get my iCloud back if I don’t have my old number to verify it?
I need help with it.
iPhone 8 Plus, iOS 14
If you cannot login to your account, then you may need account recovery — Two-factor authentication for Apple ID - Apple Support.
”If I can't sign in, how do I regain access to my account?
If you can’t sign in, access a trusted device, reset your password, or receive verification codes, you can request account recovery to regain access to your account.”