Some versions or accompanying procedures may require the device to be rooted to enable the necessary diagnostic ports.
Version suggests this is an early but stable release, likely designed for older Qualcomm chipsets (e.g., Snapdragon 800/801/810/820 series) but often adaptable to newer SoCs with modified drivers. The .zip format indicates it is portable—no installation required—making it a favorite among field repair technicians. qualcomm-smartphone-write-imei-tool-v1.01.zip
Modifying EFS or NVRAM partitions carries risks. It is standard practice for technicians to back up the existing QCN (Qualcomm Calibration Network) file using tools like QPST before attempting to write a new IMEI. Some versions or accompanying procedures may require the
How to fix an invalid IMEI issue on your smartphone - Airtel qualcomm-smartphone-write-imei-tool-v1.01.zip