Download the newest available build from an authoritative archive or community repository.
Ensure your device is completely with a charged battery inside before connecting.
Fix SP Flash Tool Stuck at Download DA 100% Getting stuck at is one of the most common errors in SP Flash Tool. This issue prevents the software from moving past the initial Download Agent phase to flash the actual firmware files. Understanding the root causes and applying systematic troubleshooting steps can quickly resolve this roadblock. Understanding the Root Causes
A: Bypass utilities like mtkclient may not support the very latest chipset revisions. Your device may also have a new, hardware-level security lock that is not yet publicly bypassed. For these cases, you will need the official authorized flashing tool from the manufacturer.
The default MTK_AllInOne_DA.bin included with SP Flash Tool doesn't work for every phone, especially newer models or those with Secure Boot. In SP Flash Tool, look at the field. Click Choose . sp flash tool stuck at download da 100
Attempt the connection while holding down the , Volume Down , or both buttons to force the correct boot mode.
The "DA 100%" hang is almost always a driver handshake issue. Your PC sees the device, but it hasn't established the port correctly. Open Device Manager on your PC.
If you see a driver with a yellow exclamation mark under Ports (COM & LPT) or Universal Serial Bus controllers , right-click and uninstall it.
Some devices require holding a specific button combo (usually Volume Down Download the newest available build from an authoritative
The Download Agent (DA) is the initial piece of code sent to the MediaTek (MTK) processor. It prepares the device's internal storage to receive the new operating system files. When the progress bar fills to 100% and freezes, it means the computer successfully sent the agent, but the phone failed to execute it or respond. Common triggers for this error include:
Open Device Manager on your PC and watch for "MediaTek Preloader" or "VCOM" to appear when you connect the phone . If it shows as an "Unknown Device," right-click it and manually update the driver . 2. Connection & Hardware Basics
Some stock firmware packages include an authentication file alongside the scatter file.
If the Mediatek driver refuses to work, replace it entirely with a generic libusb driver. This issue prevents the software from moving past
Launch the Auth Bypass Tool and click or Disable Auth .
Now that we've identified the causes, let's move on to the solutions. Try these steps to resolve the SP Flash Tool stuck at "Download DA 100" issue:
The default DA file packaged with SP Flash Tool does not support every MediaTek chipset variant, especially newer secure architectures.
In some cases, unchecking the Preloader box in the partition list allows the rest of the firmware to download successfully . Warning: Only do this if you are sure your current preloader is not corrupted. 4. Advanced Software Fixes
The most common cause is outdated or corrupted MTK VCOM Drivers.