To summarize the current state of iOS modding:
In many jurisdictions, including the US, UK, and EU, tampering with an IMEI is a criminal offense change imei iphone jailbreak
While changing the IMEI on an iPhone can be beneficial, it's essential to understand the risks involved: To summarize the current state of iOS modding:
Tools like ZiPhone or Gevey SIMs were popular for changing IMEIs on the original iPhone and iPhone 3G, but they do not work on newer iOS versions or modern hardware. including the US