Standard DAs included with SP Flash Tool often lack the specific configurations for newer or variant-specific chips.

Not all versions are created equal. Newer versions (v6.x) sometimes enforce stricter security checks that trigger this error.

Select the correct (usually provided by your bypass tool) and set the Baud rate to 921600 . 4. Try a Different SP Flash Tool Version

The MediaTek VCOM drivers are not properly communicating in high-speed mode. Step-by-Step Solutions to Fix Error 0xC0050005 1. Use a Custom Download Agent (DA)

You are attempting to flash a ROM that wasn't designed for your specific sub-model or hardware revision.

Use a high-quality original USB cable and avoid USB 3.0 (blue) ports; USB 2.0 ports on the back of a PC are generally more stable for flashing.

In SP Flash Tool, click next to the "Download-Agent" box and select your custom file. 2. Verify Your Firmware Version