It depends on what you are worried about deleting. If apps, you will need to delete them and download them under your old ID. If it is other data, more information would help.
How can I connect my old Apple ID to my new phone with deleting my stuff with the new Apple ID i had to make
1 reply
my apple email got locked because it was connected to my old phone number and i got a new one and i tried putting the same apple but i couldnt cause it was lock and i had to wait. i made a new apple id and i recoverd my old apple id that i had at fir