If I put my Apple ID to set up my sons new phone how do I add him to family sharing and where I’m not getting his text and he’s not get my stuff
Setting up my son’s phone
iPhone XS
Question marked as
He should have his own Apple ID. Sharing an Apple ID is almost never a good idea.
You can start over by using the following procedure to clear the phone: What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch - Apple Support
The following has instructions on how to create an Apple ID for a child under 13: Family Sharing and Apple ID for your child - Apple Support