Corrupted, missing, or incorrect MediaTek USB VCOM drivers.
This article provides a comprehensive guide to understanding why this happens and, more importantly, how to fix it based on proven solutions from developer communities. What Does "Download DA 100%" Mean?
: Your computer may not have the Mediatek VCOM drivers installed or configured correctly. Device Manager
The tool pushes the Download Agent into the device’s volatile memory (RAM). The red or yellow progress bar fills up to 100%.
Many modern firmware packages require an authentication file alongside the scatter file. sp flash tool stuck on download da 100
What is the exact of your device or its MediaTek chipset (e.g., MT6752, MT6580)? Which version of SP Flash Tool are you currently running? Are you flashing a stock ROM or a custom recovery ?
next to "Download-Agent" in the tool and select a specialized DA file like DA_SWSEC.bin or a specific one provided with your phone’s firmware. Battery Connection With Battery
Select "Browse my computer for driver software" and point to the unzipped driver folder. 3. Change the Download Agent (DA) File
Knowing these details will allow me to provide the specific or Bypass steps for your chipset. Corrupted, missing, or incorrect MediaTek USB VCOM drivers
Right-click flash_tool.exe and select Run as Administrator .
Modern MTK devices, especially those with Secure Boot, often require a specific DA file rather than the default MTK_AllInOne_DA.bin . Navigate to the field in SP Flash Tool.
If you are flashing an old device (e.g., MT6580, MT6592), downgrade to .
The default MTK_AllInOne_DA.bin file included with older versions of SP Flash Tool may not support newer MediaTek chipsets or custom partition configurations. : Your computer may not have the Mediatek
Follow these steps in order. The earlier steps are the easiest and most common fixes.
If the software fixes fail, the physical link is often the issue.
: Always run flash_tool.exe as an administrator to ensure it has permission to open COM ports.
or a DA file specifically provided with your phone's stock firmware. Select it in the tool : In the SP Flash Tool interface, click the button next to Download-Agent and select the specialized 2. Re-install or Force VCOM Drivers
