Note: If the su command fails, your device may require root access via Magisk or a hardware connection to bypass the boot security.

: A powerful, subscription-based software that supports various Qualcomm devices.

If your phone shows "IMEI Null" or refuses to overwrite the old IMEI, you may need to clear the old, corrupted NV data blocks first.

Ensure your EFS partitions are completely wiped or formatted using TWRP recovery or ADB commands before attempting to restore the QCN file. To help find the right files for your device, tell me: What is the exact of your phone? Which Qualcomm processor does your device use?

Never attempt an IMEI write without backing up your current partition calibration data. Launch the tool on your PC.

Click and select the QCN backup file you created in Step 2.

Once you have the backup file, you can edit it with your correct original IMEI numbers. Method A: Using Qualcomm IMEI Rebuilder Open the software.

Disclaimer: The information provided is for educational and repair purposes only. You are solely responsible for your actions and must comply with your local laws regarding IMEI modification.

: These are the most common "official-grade" service tools.

The International Mobile Equipment Identity (IMEI) is a 15-digit unique identifier for your phone. Think of it as a social security number for your device. When you lose your IMEI (showing as "000000000000000" or "Null"), it is usually due to: