Attempting to change or "re-program" an IMEI is strictly discouraged for several reasons: Illegality

: The IMEI is hard-coded into the device's hardware (baseband) during manufacturing to prevent fraud and theft. Software Restrictions : Official firmware, including

: Using unauthorized third-party tools or "cracked" firmware to alter the IMEI will void the Nokia/HMD Global warranty and can permanently "brick" (disable) the handset. Conclusion