I want to un-sync my old iPhone
I want to unsync my phone from my old phone to my new phone. My new phone needs to be main one and my old phone needs to be a kids phone or home phone.
[Re-Titled by Moderator]
iPad, iPadOS 16
Question marked as
Please refer to What to do before you sell, give away, or trade in your iPhone or iPad which describes how "...to transfer information to your new device and, if applicable, remove your personal information from your old device."