my new phone registered number I don't know
Hi, I bought new Iphone pro12 and start using with optus sim card but my mobile phone number and number which registered appleID is different so how could I fix this
iPhone 12 Pro, iOS 14
You need to change/add the number on your Apple ID. 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.