I am in this situation: I have a temporary account, but I forgot the password, my account is locked, when I click on “forgot password,” the verification code is not sent, and I cannot use the email because it is a temporary email address.
You may have to use the Account Recovery to get access to your Apple Account again:
How to use account recovery when you can’t reset your Apple ID password - Apple Support
Did you know that there is also a French speaking Apple Community?
You might get more answers in these forums from native speakers.
Temporary account locked and verification code is not sent
