: Launch Qualcomm IMEI Rebuilder v1.0 , load the backed-up QCN, and enter the correct IMEI numbers found on the device’s original sticker or packaging.

: Generates a new, "rebuilt" QCN file ready to be flashed back to the device. Step-by-Step Recovery Process

: Automatically converts standard 15-digit IMEI numbers into the specific hexadecimal format required by Qualcomm's NV (Non-Volatile) memory.

: Reboot the device and dial *#06# to confirm the IMEI has been successfully restored. Critical Legal and Safety Warnings

The tool operates by modifying the hex data within a device's QCN file, which contains the hardware's calibration and identification parameters. Key features include:

: Use QPST Configuration to read and save the current (possibly corrupted) QCN file from the device.