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What happens if I change my phone number when I already sign to use Apple ID two factor?
iPhone XR
Manage and use your Apple ID --> https://support.apple.com/HT203993
Section about: Update trusted phone numbers and devices that you're currently signed in to with your Apple ID.
Manage and use your Apple ID --> https://support.apple.com/HT203993
Section about: Update trusted phone numbers and devices that you're currently signed in to with your Apple ID.
Two items which sometimes cause confusion:
Any iOS or macOS device signed-in w/ your AppleID is by definition a “Trusted Device” and will receive the 2FA “pop-up” via cryptologically secure means.
“Trusted Numbers” are OTHER SMS or voice numbers which you pre-designate to receive the SMS codes in the off-normal event that you loose access to ALL of your trusted devices.
Your personal iPhone’s phone number (already a “Trusted Device”) does NOT need to be - and SHOULD NOT be - listed as a “Trusted Number.”
What happens if I change my phone number?
