shaina1201 Said:
"Setting up a new iPhone: I am currently trying to set up my new iPhone 13 pro, and it has been stuck on the 'Finish on New iPhone'/'Your other device includes purchases from itunes and the app store that were made with a different apple ID' screen for about an hour now. What do I do?"
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Who Set Up the Other iPhone?
As for this iPhone you are transferring the data from, is it a used iPhone? Apparently, it was set up using an Apple ID other than your's. So, that is why your are geeing the error. Either give it a few, or cancel the transfer, perhaps by force restarting the iPhone.