Open Device Manager, uninstall any existing "MediaTek PreLoader USB VCOM" drivers, and reinstall a clean, signed driver package.
. This is often caused by driver issues, incorrect files, or a hardware communication block. 🛠️ Immediate Fixes If you are stuck at 100%, try these steps in order: Change the Download Agent (DA): In the tool, click the button next to Download-Agent MTK_AllInOne_DA.bin from the SP Flash Tool folder.
If software tweaks fail, the issue may be physical. The DA cannot initialize if the device's battery or storage chip isn't responding correctly.
The device isn't in the correct boot state (BROM mode) to accept the next phase of flashing. Cable/Port Issues:
The SP Flash Tool is a popular software used for flashing firmware on Android devices, particularly those powered by MediaTek (MTK) processors. While it's a reliable tool, users often encounter issues during the flashing process. One of the most common problems is the SP Flash Tool getting stuck at "Download DA 100." If you're experiencing this issue, don't worry – we've got you covered. In this article, we'll explore the causes of this problem and provide step-by-step solutions to help you resolve it. sp flash tool stuck at download da 100
Switch from a USB 3.0 port (blue) to a (black). USB 3.0 controllers frequently conflict with legacy MediaTek preloader protocols.
: The chipset may not be on the supported list for your current version of the tool. Recommended Solutions
If you are trying to flash firmware onto a MediaTek (MTK) device and your progress freezes right at the beginning, you are likely facing the error. This occurs when the tool successfully loads the Download Agent (DA) into the computer's buffer but fails to send it to the device or establish a stable connection with the chip storage.
If the partition sizes on your phone do not perfectly match the new scatter file, the DA engine will stall at 100% when attempting to map the memory blocks. Open SP Flash Tool. 🛠️ Immediate Fixes If you are stuck at
Swap out your current USB cable for an official, high-quality data cable, and plug it directly into a rear on your computer's motherboard rather than a USB 3.0 port or external hub. 4. Upgrade Your SP Flash Tool Version
Ensure the phone is completely switched off before connecting. 4. Change Your Hardware Setup Sometimes the issue is physical, not software-based. Stuck at Download DA 100% - Hovatek
If Windows loses track of the MediaTek Preloader VCOM port right after the DA stage, the tool freezes. Download the latest .
The error is a handshake failure between the Download Agent on your phone and the software on your PC. It is rarely a sign of a dead phone. The device isn't in the correct boot state
, return to SP Flash Tool, ensure the correct Scatter file is loaded, and click Download . Solution 3: Reinstall MediaTek VCOM Drivers Correctly
: The device has MediaTek Secure Boot Override protections active, blocking unauthorized flashing.
The "DA" stands for . The DA is a critical piece of software responsible for interacting with your device's internal storage (eMMC or UFS) and RAM.
Sometimes the phone is stuck in a bad hardware state or a boot loop, preventing it from accepting the flashing commands.