Erasing old phone
Will deleting my photos on an old phone delete them on my new one?
Will deleting my photos on an old phone delete them on my new one?
Nothing in the following procedure will delete anything on your new phone: What to do before you sell, give away, or trade in your iPhone or iPad - Apple Support
Nothing in the following procedure will delete anything on your new phone: What to do before you sell, give away, or trade in your iPhone or iPad - Apple Support
Erasing old phone