If you see a video or a forum post claiming that entering *#*#3646633#*#* or *#197328640# will allow you to change your IMEI, Those codes are "Engineering Mode" codes that work on old, low-end Android MediaTek chips. They do not work on Apple’s proprietary A15 Bionic chip or iOS.
Before attempting to change the IMEI number, please ensure you have a complete backup of your device and understand the risks involved. iphone 13 pro max copy imei change code
If your copy device allows modification via Engineer Mode, the steps usually follow this path: Open the menu using one of the codes above. Navigate to the Connectivity tab. Select CDS Information > Radio Information . Select Phone 1 (for the first SIM slot). At the top, you will see a command line starting with AT+ . If you see a video or a forum
Apple has layered security specifically to prevent IMEI change. If your copy device allows modification via Engineer