With that, I can confirm if v10.1816 is the best choice, or if you need a newer version.
Obtain the firmware matching your device model, specifically for the database file ( BPLGUInfoCustom... ). Laptop/PC: A computer running Windows. USB Cable: A high-quality USB cable. How to Use Maui META v10.1816 (Steps)
Directly flash IMEI numbers to MTK devices. maui-meta-v10-1816-latest-version-free-download
Select "Action -> IMEI Download," input your 15-digit IMEI, and click "Download to Flash." Disconnect: Close the tool and reboot the phone. Troubleshooting Common Errors
Access and restore NVRAM data (Network Virtual Random Access Memory). With that, I can confirm if v10
What is your (e.g., Xiaomi Redmi 9, Realme C11)? What MTK Chipset does it use (e.g., MT6765, MT6768)? Are you trying to fix a null IMEI ?
Turn off your phone and connect it to the PC via USB while holding the volume button (usually volume down) to put it into Meta Mode. Laptop/PC: A computer running Windows
Uses phone-specific database files to properly communicate with the modem.