I am giving my old iPhone 5s to my husband and I put all his phone number in and they have gone on my phone how do I change that plus how do I change an email from mine to his but when I put it in it says already in use helppppppp
iPhone 7 Plus, iOS 12
For the phone number, you need to change/add the number on his 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.
Did you follow the steps mentioned in this article?
What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch - Apple Support
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