To use the verified DA file for the BD3, follow these steps in your flashing software:
To bypass secure boot on the Tecno BD3 (Tecno Pop 5) , a verified Download Agent (DA) file is required to allow tools like SP Flash Tool, Miracle Box, or UnlockTool to communicate with the device's MediaTek MT6580 chipset. Overview of the Tecno BD3 DA File tecno bd3 da file verified