Input the phone's original 15-digit IMEI numbers into the and IMEI 2 fields. Click the Write QCN / Repair button.
IMEI QCN Tool V1.0 UPD is a lightweight Windows-based application designed for Android smartphones running on Qualcomm (Snapdragon) processors. Its primary function is to generate, repair, or write new IMEI numbers by allowing users to edit the device’s QCN file. Think of the QCN file as the device’s digital passport containing all the essential information needed for network communication and cellular service.
Unlike complex command-line tools like ADB/Fastboot or full QPST suites, this tool offers a straightforward, clickable interface.
Because this tool is developed by independent programmers (not an official Qualcomm product), it’s not available on the Google Play Store or Microsoft Store. You’ll find it on various firmware forums, GitHub repositories, and mobile repair blogs. Download Imei Qcn Tool V1.0 UPD
Open your phone’s > About Phone and tap Build Number seven times to unlock Developer Options. Go to Developer Options and turn on USB Debugging . Connect your phone to the PC.
Download IMEI QCN Tool V1.0 UPD: Ultimate Guide to Fixing Qualcomm IMEI
Ensure your phone is successfully rooted if your Android version requires root access to open the diagnostic port. Input the phone's original 15-digit IMEI numbers into
Always perform a full EFS/QCN backup before attempting any "UPD" (update) or write functions. If you'd like, I can help you: Find the specific ADB commands to enable Diag Mode. Identify the correct drivers for your specific phone brand. Outline a step-by-step safety guide for the backup process.
: Specifically designed for devices using Qualcomm chipsets. Lightweight Utility : The tool is typically small (around ) and does not require complex installation. Accessibility
: Changing the IMEI can be against the law in some jurisdictions and can void device warranties. Its primary function is to generate, repair, or
Extracts existing partition data before making changes, preventing permanent hard bricks. System Requirements
Modifying a device’s IMEI number is a legally sensitive action. In many countries, changing the IMEI of a phone is considered a criminal offense because it can be used to mask stolen property. IMEI QCN Tool should generally be used only to due to a software malfunction—not to change it to a different number. Always ensure you are complying with your local laws before proceeding.