: The tool attempted to write a new 15-digit number into the device's RAM/ROM to trick the network into seeing a different identity Modern Alternatives? no software-only solution

Because the "ZiPhone IMEI change" is a specific, outdated exploit from 2008, there is no modern academic paper dedicated solely to it. However, the foundational paper that explains the vulnerability ZiPhone exploited is the seminal work on iPhone baseband security.

80%... 95%...

Using tools like Ziphone requires disabling security features, leaving the device vulnerable to malware. 5. Modern Status (2024–2026)