A developer named Zibri released the tool as a simplified, one-click solution during a period when jailbreaking was highly technical and fragmented.
The only safe, legal way to change your IMEI is to change your entire device. Buy a new iPhone.
Understanding ZiPhone and iPhone IMEI Modification: History, Risks, and Realities
Devices reported lost or stolen have their IMEIs blacklisted by carriers. Changing the number was an attempt to regain network access. The Consequences
Using ZiPhone—especially for IMEI modification—carried a high risk of permanently damaging the device. Permanent Baseband Corruption ("Hard Brick") ziphone imei change
Overwrite the unique 15-digit serial number assigned to the cellular modem. Why Did People Use ZiPhone to Change IMEIs?
: If your goal is to use a different IMEI (e.g., to bypass a carrier blacklist), modern iPhones with Dual SIM (eSIM + Physical SIM) have two separate IMEI numbers . You can switch between them by using the second SIM slot. Are you trying to unblock a blacklisted phone , or are you working on a legacy device for hobbyist reasons?
Even these methods fail on modern iPhones (iPhone 6 and newer) due to Apple’s introduction of the Secure Enclave and hardware-level pairing between the NAND flash, CPU, and baseband.
The term is a relic of the early iPhone hacking era—a time when the device was less secure and baseband exploits were plentiful. Today, it represents a dangerous combination of malware-ridden downloads, legal liability, and technical impossibility. A developer named Zibri released the tool as
: Navigate to the folder where you extracted ZiPhone. Hold the Shift key, right-click in an empty area, and select Open command window here .
In many jurisdictions, including the UK and parts of the US (under the DMCA ), altering an IMEI is a criminal offense. It is often classified as "fraudulent electronic serial number modification."
: Apple eventually patched the exploits used by ZiPhone with newer baseband updates, rendering the tool obsolete for later models like the iPhone 3G and beyond.
What is the you are trying to fix (e.g., carrier lock, network block, or activation error)? including changing the IMEI
Some cellular providers blocked specific device types from accessing cheaper data plans. Changing an iPhone's IMEI to match an older, basic phone profile sometimes tricked carriers into offering cheaper, unrestricted data. 3. Privacy and Anonymity
From a user-autonomy perspective, early developers felt that if they owned the hardware, they should have the right to modify it, including changing the IMEI, often citing the need for "privacy" from carrier tracking. Conclusion
: After the phone reboots, open the dialer and enter *#06# to check if the new IMEI is active. Risks and Legality ZiPhone/docs/readme.txt at master - GitHub
Making one device masquerade as another on a cellular network. Why It Stopped Working