My n*******l.com I filled in the wrong phone number for dual authentication, which is preventing me from logging into my iPhone and changing my phone number. How can I turn off dual authentication or find other ways?
[Edited by Moderator]
iPhone 15
The Account Recovery would be the next step, click one the blue link to find out more:
How to use account recovery when you can’t reset your Apple ID password - Apple Support
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If you can’t sign in, reset your password, or receive verification codes, you can request account recovery to regain access to your account. Account recovery might take a few days or longer, depending on the specific account information you can provide to verify your identity.
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copied from: Get a verification code and sign in with two-factor authentication - Apple Support
The Account Recovery would be the next step, click one the blue link to find out more:
How to use account recovery when you can’t reset your Apple ID password - Apple Support
...
If you can’t sign in, reset your password, or receive verification codes, you can request account recovery to regain access to your account. Account recovery might take a few days or longer, depending on the specific account information you can provide to verify your identity.
...
copied from: Get a verification code and sign in with two-factor authentication - Apple Support
Can you give the official Apple Support a call?
Choose the phone number for your region from this Apple page:
Did you already have a look at this related article?
Get a verification code and sign in with two-factor authentication - Apple Support
The phone number is no longer usable. What should I do?
No, I was prompted to enter my mobile phone number, but there was an error and I couldn't proceed to the next step.
How to turn off dual authentication on Apple ID mail?