: Works with a wide range of Qualcomm Snapdragon devices (Xiaomi, Vivo, Oppo, Realme, etc.).
Once the process finishes, restart the device to apply the changes. Safe Download & Legal Disclaimer
files, which contain critical calibration data for the device's radio frequency (RF) and baseband components. Core Functionality and Use Cases
QPST is the official, factory-level software suite created by Qualcomm for testing and configuring their chipsets. It is the most robust and stable tool available. Within the QPST suite, a specific application named or Software Download is used to backup and restore QCN files. Imei Qcn Tool Download
The tools and procedures described here should strictly be used for following a catastrophic software failure or mainboard recovery.
Before downloading or running any QCN tool, you must prepare your environment:
Restores NV settings, enabling network signals on Qualcomm devices 2.2.4 . IMEI QCN Tool Download (2026 Best Options) : Works with a wide range of Qualcomm
Used to manually find and replace IMEI strings within the .qcn file. How to Use the IMEI QCN Tool
QCN tools cannot communicate with a phone via standard MTP or ADB modes. You must open the phone's diagnostic port. This is usually achieved by entering a secret dialer code (e.g., *#*#717717#*#* on Xiaomi devices) or executing the ADB command adb shell su -c "setprop sys.usb.config diag,adb" on a rooted phone.
: Select the backup QCN file for your specific model. Enter IMEI : Type in the original IMEI(s) for the device. Core Functionality and Use Cases QPST is the
You can find the latest version of the IMEI QCN Tool on reputable GSM hosting sites and developer forums.
When this file is corrupted (often due to failed rooting, incorrect ROM flashing, or hardware resets), your phone becomes a "glorified tablet"—unable to make calls or use mobile data. Top IMEI QCN Tools for Download