2 phones
I just purchased my grandson a new ipone with a different phone number and wireless carrier, we synced the phones to transfer his stuff and now both phones ring when you call either number, how do I stop this
iPhone 12
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Top-ranking reply
Immediately stop sharing an Apple ID. Ech person, regardless of age, needs her/his own, unique Apple ID.
The person getting the new Apple ID must thoroughly cleanse her/his device(s) before “moving in”. Here is how.
What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch - Apple Support
Additional information:
Create an Apple ID for your child - Apple Support
Help your child set up an iPhone, iPad, or iPod touch - Apple Support
Use Family Sharing to provide parental consent for your child's existing Apple ID - Apple Support