How can I identify if a person is selling a fake iPhone?
How to identify the fake iphone when someone selling for low price ?
[Re-Titled by Moderator]
iPhone 14 Pro Max
If it is brand new and bought at an Apple Store or Apple Authorized Reseller, you don't need any identifcation.
If it is a second-hand device, read this useful user tip:--> https://discussions.apple.com/docs/DOC-250001038
Regards
Giulio