The story of and the ability to change an iPhone's IMEI is a legendary chapter in the early "cat-and-mouse" era of iOS jailbreaking. Created by the hacker Zibri in early 2008, ZiPhone was a groundbreaking "all-in-one" tool that could jailbreak, activate, and unlock the original iPhone and iPod Touch with a single click. The Rise of ZiPhone
Its for iphone users How to change IEMI on iphone ... - Facebook
: Once the command was initiated, the tool would search for the device and take approximately 2 to 4 minutes to complete the rewrite and reboot the device. Historical and Technical Context If IMEI number can be changed? How to change? - Blackview
A computer running Windows XP or a compatible legacy environment.