Modifying or changing an IMEI number to a different one (other than the original assigned to the device) is illegal in many countries and can lead to the device being blacklisted.
The Qualcomm Smartphone IMEI Tool v1.01 is a zip file that contains a set of tools and instructions for modifying the IMEI number on Qualcomm-based smartphones. The tool is designed to work with a range of Qualcomm chipsets and is compatible with various Android devices. qualcomm-smartphone-write-imei-tool-v1.01.zip