Modern Tecno devices, including the BE6j, come with factory reset protection (FRP) and secure boot protocols enabled. When you try to flash a Stock ROM, the tool verifies the device's authenticity. If the default connection fails, you need a specific DA file to authorize the flashing process.
Install the latest MediaTek USB VCOM drivers on your computer. Data Cable: A functional USB cable. How to Use the Tecno BE6j DA File in SP Flash Tool Tecno Be6j Da File
Press the green button in the upper-left corner of the program interface. Modern Tecno devices, including the BE6j, come with
specifically runs on the processor, which necessitates a DA file compatible with this architecture. Why You Need This File Modern Tecno devices