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 .
Before diving into software settings, ensure the physical connection is solid.
Download and install the latest MTK All-in-One Drivers . If you are on Windows 10 or 11, you must Disable Driver Signature Enforcement before installing. 📂 Fix 2: Use the Correct Download Agent (DA) sp flash tool stuck at download da 100
If you have a Xiaomi, Oppo, or Vivo device, you likely need a Custom DA file specific to your model to bypass the security check. ⚙️ Fix 3: Match the Connection Settings
Sometimes the tool is trying to talk to the phone at the wrong "speed." The default MTK_AllInOne_DA
If you see "MTK USB Port" or "Preloader USB VCOM" appear and then disappear with a yellow triangle, your drivers are outdated or unsigned.
Try selecting different DA files from the SP Flash Tool folder. Before diving into software settings, ensure the physical
When the progress bar hits 100% (usually red or purple) and refuses to turn yellow, it means the tool has sent the Download Agent (DA) to the phone, but the phone isn't talking back.
Here is how to break through that 100% stall and get your flash moving. 🛠️ Quick Hardware Checks
If your device has a removable battery, take it out, wait 10 seconds, put it back in, and try again without turning the phone on. 💻 Fix 1: Update Your VCOM Drivers