Always create a backup before making changes. Run from the QPST folder. Select the port your device is connected to, click "Tools" > "QCN Backup", choose a safe location, and save it as backup.qcn .
Ultimate Guide: Qualcomm IMEI Repair Tool Without Box (2026)
A simple, commonly used tool that supports dual IMEI writing. qualcomm imei repair tool without box
IMEI repair is intended for restoring a lost or corrupted IMEI on a device you legally own. Changing or altering an IMEI to a different one is illegal in many jurisdictions.
These free utility applications replace the need for physical hardware boxes by leveraging official Qualcomm diagnostic protocols. 1. QPST (Qualcomm Product Support Tool) Always create a backup before making changes
Open the tool and ensure your phone is detected in Diag mode.
Ensure you are using a high-quality USB 2.0 port; USB 3.0 ports occasionally drop diagnostic packets. "Write Protect" or "Command Refused" Error Ultimate Guide: Qualcomm IMEI Repair Tool Without Box
Select the tab, choose an output path for your file, and click Start to save your device's native .qcn configuration. Open the saved .qcn file inside your Hex Editor .
The phone's bootloader or secure NVRAM protection is actively blocking write commands.
The software will automatically detect your active diagnostic COM port.
For a safe and legal fix, it is always recommended to visit an Official Service Center to restore your device's identity.