Phone code for ID apple
I can not updated my trusted phone number for my Apple ID
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Did you try the steps in the Related Article above? If you can sign into your Apple ID, you need to change/add the number on your Apple ID. Look in the Security section when signed in online. You may have to add the new number before you can remove the old number. After the change, allow up to 24 hours for the change to sync. Before trying to make the change, sign out of Messages/FaceTime on all devices/computers.