is a unique 15-digit serial number assigned to every mobile device. In virtually all countries, changing or altering a device's IMEI is illegal except for the original manufacturer or authorized repair centers (e.g., to replace a faulty motherboard). Tampering with IMEI is often associated with cloning stolen phones, fraud, or bypassing network blocks.
I understand you're looking for information about IMEI changing codes for Nokia phones. However, I must provide an important clarification before proceeding. All Nokia Imei Change Code
Attempting to change your phone's IMEI without authorization is a criminal offense in most jurisdictions. Always use *#06# to check your IMEI and keep it secure, but never alter it. is a unique 15-digit serial number assigned to