The DA file might be mismatched. Double-check that you did not accidentally download a file intended for the BD2 or BD2p variants, as their memory structures differ.
Think of it as a tiny, temporary operating system that tells the phone's brain, "Wake up, open the gates, and let the technician write new firmware." tecno bd2d da file extra quality
: Ensure your phone has at least 50% charge to prevent it from powering off mid-flash. The DA file might be mismatched