I understand you're looking for information about changing an iPhone's IMEI number, but I need to provide an important clarification first.
Fraudsters know people search for this. They offer a "ziPhone IMEI Changer" for a fee ($20–$50) that claims to work on iPhone 13 or 14. These are . They will either: ziphone imei change
A knock at the door.
(which carries the IMEI): A professional repair can transfer certain components, but the IMEI remains tied to the original board. This isn't a “change” but a repair by an authorized technician. I understand you're looking for information about changing