Update my contact info for iCloud
I'm needing to update my iCloud contact info (phone numbers) so my 18 y/o daughter isn't also receiving my iMessages/texts.
iPhone 6, iOS 10
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If you are sharing an Apple ID with your daughter, any update will be passed to her devices.
You need to change 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.