Following a firmware update or a custom ROM installation, the IMEI can sometimes become "Null" or "000000," causing the device to lose cellular connectivity.
Are you seeing an error or is it completely blank ? Which Windows version are you using to run the tool? mtk imei v30 top
Ensure you have the latest MTK USB VCOM drivers installed on your PC. Following a firmware update or a custom ROM
Allows writing the IMEI directly without requiring complex database files (APDB) in many instances. mtk imei v30 top