(iPhone 4s and up) can have its IMEI changed via a simple software app. The baseband is encrypted and secured with Apple’s signature checks.
(such as the UK and parts of the EU) and can lead to the device being blacklisted by cellular networks. This information is for educational or recovery purposes only. Proceed at your own risk; improper use of ZiPhone can "brick" or permanently damage your device's baseband. ZiPhone IMEI Modification Guide Overview ziphone imei change
Here’s why:
: Download and extract the ZiPhone tool on your PC. (iPhone 4s and up) can have its IMEI
In the early days of iOS (then called iPhone OS), the baseband—the part of the phone that talks to cell towers—was less secure. ZiPhone exploited a vulnerability known as the to gain high-level access to the phone's internal systems. This information is for educational or recovery purposes
: ZiPhone only works on the original iPhone (2G) and iPhone 3G running firmware versions 1.0 to 1.1.4
: Other prominent hackers criticized Zibri's method, claiming that ZiPhone was "messy" and could permanently damage (brick) the iPhone's baseband.