Different chipsets require specific DA versions.
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SP Flash Tool hanging at "Download DA 100%" indicates a failure to establish a handshake after successfully loading the Download Agent, usually caused by driver conflicts, hardware issues, or Secure Boot restrictions. Key solutions include reinstalling MediaTek VCOM drivers, using a device-specific custom DA file, switching to USB 2.0 ports, and verifying the phone is powered off during connection. For more detailed solutions, visit Hovatek.
List of sp flash tool error codes, meanings & how to fix (solution)
Sometimes, Windows background services (especially Hyper-V, VirtualBox drivers, or chipset USB drivers from Intel/AMD) corrupt the DA transmission.
Before fixing the error, you need to understand the boot stages:
"Stuck on Download DA 100%" means the handshake failed. The phone has the DA, but it cannot access the storage, verify the bootloader, or communicate further.
If you're looking to create a tool or script to automate these steps or provide more feedback during the flashing process, here are some ideas: sp flash tool stuck on download da 100
Implementing such features could significantly enhance the usability of SP Flash Tool or similar software, providing a more robust and user-friendly experience for fixing common issues like getting stuck on "Download DA 100%".
When the SP Flash Tool gets stuck on "Download DA 100%" (indicated by a solid red bar), it usually means
the tool has successfully loaded the Download Agent to the phone's internal memory, but the device and computer have failed to establish further communication to begin the actual flashing process Quick Fixes to Try First Use the Right Key Combination
: While the red bar is at 100%, try holding different button combinations on your phone while it's connected. Common combinations include Volume Down both Volume buttons
simultaneously. This often triggers the handshake required to move past the DA stage. Uncheck "Preloader"
: In the main SP Flash Tool interface, locate the list of partitions and uncheck the
option before clicking Download. This is a common workaround for communication hang-ups. Switch USB Ports/Cables
: Use a high-quality USB cable and try a different port on your PC, preferably a USB 2.0 port Different chipsets require specific DA versions
if available, as USB 3.0 (blue ports) can sometimes cause timing issues. Advanced Troubleshooting
If the quick fixes don't work, one of the following root causes is likely the culprit: Driver Issues (VCOM)
: Your computer may not have the Mediatek VCOM drivers installed or configured correctly. Device Manager
on your PC and watch the "Ports (COM & LPT)" or "Other Devices" section while connecting the phone.
If it appears as "Unknown Device" or disappears quickly, right-click and manually update the driver to the MediaTek USB VCOM Incorrect Download Agent (DA) : Some newer or secure-boot devices require a specific file rather than the default MTK_AllInOne_DA.bin
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
: Ensure the phone is completely switched off with the battery inside before connecting. Without Battery
: For some older models, try removing the battery (if possible) and connecting the phone without it. Tool Version : Ensure you are using the latest version of SP Flash Tool If still stuck
. If the latest version fails, try an older stable version (e.g., v5.19xx), as some chipsets work better with older software.
What is the specific model of the device you are trying to flash? Knowing this can help identify if a specialized Download Agent is required. AI responses may include mistakes. Learn more SP Flash Tool Error Solutions Guide | PDF - Scribd
This error usually means SP Flash Tool successfully sent the DA (Download Agent) to the phone’s RAM, but the DA failed to execute or communicate back. Common causes:
Quick fix attempt:
If still stuck, check the tool’s log file (SP_Flash_Tool_Log.txt) for “DRAM failed” or “S_BROM_CMD_JUMP_DA_FAIL”. That indicates a preloader/driver timing issue or incompatible DA.
Some MediaTek devices have a BROM mode that skips DA entirely:
Newer SP Flash Tool versions (v5.20xx and above) introduced stricter DA authentication for Android 10+ devices with secure boot. Conversely, very old versions (v3.x) cannot handle modern DA handshakes.
Pro tip: Some custom DA files (like "DA_SWSEC_PL.bin") skip security checks. Search for a DA designed for your exact model number.