: Changing an IMEI to bypass blacklists or network locks is illegal in many jurisdictions.
: The primary function of this tool pack is to repair or change the IMEI number of a mobile device. This can be particularly useful for devices where the IMEI has been damaged or altered improperly, affecting the phone's ability to connect to cellular networks. Sg Imei Repair Tool Pack
If you want, I can:
How does this free (usually ad-supported) pack compare to paid solutions? : Changing an IMEI to bypass blacklists or