Ensure you have the latest Qualcomm USB Drivers installed on your PC.
Some advanced operations, like writing specific partitions, may require an unlocked bootloader. How to Use QLM Tool to Repair IMEI (v1.0.2) qlm tool
The QLM tool offers a streamlined interface compared to more complex, official Qualcomm tools like QFIL, making it accessible for quick repairs. Key features include: Ensure you have the latest Qualcomm USB Drivers
The v1.0.2 version is widely distributed as a free tool for IMEI repair. Preparing Your Device for QLM Tool like writing specific partitions