Browse your stock ROM firmware folder for a file ending in .auth (often named auth_sv5.auth ). Load it into the tool and attempt the flash process again. 5. Modify USB Connection Settings in SP Flash Tool
Download an (such as MTK Meta Utility or MCT Auth Bypass).
Getting stuck at "Download DA 100%" (the red bar) typically means SP Flash Tool
If you are using a very new phone, use a newer version of the SP Flash Tool. sp flash tool stuck at download da 100
When the SP Flash Tool is stuck at (often accompanied by a red progress bar), it typically indicates a communication failure between the software on your PC and the device's boot ROM . This means the Download Agent (DA) —the file responsible for facilitating the flash process—has been sent to the device, but the tool is failing to receive a response or move to the next stage. Primary Causes
The "SP Flash Tool stuck at Download DA 100%" error is a multifaceted problem, but it is almost always solvable with a systematic approach. Always begin with the basics: ensure a stable physical connection, install clean drivers, and change your USB setup. If that fails, move on to software compatibility, and finally, tackle the modern security protections with bypass utilities.
SP Flash Tool Stuck at Download DA 100%: Causes and Solutions Browse your stock ROM firmware folder for a file ending in
Use a high-quality data cable, preferably the original one that came with the phone. 2. Install/Update MediaTek VCOM Drivers
| Problem Category | Primary Solutions | | :--- | :--- | | | Use quality USB cable & USB 2.0 port. Install/verify MTK VCOM drivers. | | Software Setup | Run SP Flash Tool as Admin. Use correct key combo for BROM mode. | | SP Flash Tool & Firmware | Use correct SP Flash Tool version for chipset. Ensure firmware is complete. Select the provided DA file. | | Security & Advanced Fixes | Disable "DA DLL All" check. Use Auth Bypass utility. Crash to BROM with MTKClient. Test on another OS. |
The generic DA file inside the SP Flash Tool folder cannot bypass the security of your device. Modify USB Connection Settings in SP Flash Tool
Upgrade to the absolute latest version of SP Flash Tool v5 or v6. Alternative Causes: Hardware Damage
The SP Flash Tool, a popular software for flashing firmware on Android devices, sometimes gets stuck at 100% while downloading the DA (Download Agent) file. This issue frustrates users and prevents them from successfully flashing their devices.
Once the tool says "Bypass Success," leave the phone connected, immediately switch to , and click Download . 4. Load the Correct Authentication (.auth) File