When SP Flash Tool gets stuck at Download DA 100% (often represented by a solid red bar), it means the tool has successfully loaded the Download Agent (DA) into the device's internal SRAM but is failing to initiate communication with the phone's DRAM or external memory. Common Fixes for the 100% Hang
Sometimes, Windows background services (especially Hyper-V, VirtualBox drivers, or chipset USB drivers from Intel/AMD) corrupt the DA transmission. sp flash tool stuck on download da 100
Q2: Can a dead battery cause this error?
Yes. If the battery voltage is below 3.4V, the phone may enter BROM but shut down when the DA tries to power up the eMMC. Charge the phone for 2 hours using a normal charger, then retry. When SP Flash Tool gets stuck at Download
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 Open SP Flash Tool → Load scatter file → Click Download
SP Flash Tool getting stuck at "Download DA 100%" is a common communication error between your PC and the MediaTek (MTK) device. This usually happens when the tool has sent the Download Agent but cannot initiate the next stage of the flashing process. 🛠️ Primary Solutions 🔌 Fix Connection & Drivers
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 Download-Agent field in SP Flash Tool.
Update SP Flash Tool and Drivers