Sp Flash Tool Stuck On Download Da 100 [hot]

SP Flash Tool hanging at "Download DA 100%" indicates a failure to establish a handshake after successfully loading the Download Agent, usually caused by driver conflicts, hardware issues, or Secure Boot restrictions. Key solutions include reinstalling MediaTek VCOM drivers, using a device-specific custom DA file, switching to USB 2.0 ports, and verifying the phone is powered off during connection. For more detailed solutions, visit Hovatek.

List of sp flash tool error codes, meanings & how to fix (solution)

If your SP Flash Tool is stuck on "Download DA 100%", you are not alone. This is one of the most common errors when flashing MediaTek (MTK) devices.

It means the computer has successfully sent the Download Agent (DA) to the phone, but the device is failing to communicate back to start the actual flashing process.

Below is a complete, step-by-step guide to troubleshoot and fix this issue. ⚡ Quick Fixes to Try First

Before diving into complex settings, try these basic hardware checks:

Change the USB Cable: Use a high-quality data cable, preferably the original one.

Change the USB Port: Avoid USB 3.0 (blue ports). Plug into a USB 2.0 port directly on the motherboard (rear of desktop PCs).

Disconnect and Reconnect: Unplug the phone, remove the battery (if removable) for 10 seconds, put it back, and try again.

Check Button Combinations: Some MTK phones require holding Volume Down, Volume Up, or Both while plugging in the USB cable to trigger the correct download mode. 🛠️ Method 1: Install Correct MediaTek VCOM Drivers

A corrupted or missing VCOM driver is the #1 cause of the "Download DA 100%" hang. The tool recognizes the device initially but loses the connection when switching modes. Download the latest MTK VCOM USB Drivers.

On Windows 10 or 11, you must Disable Driver Signature Enforcement before installing, or the drivers will not work. Open Device Manager on your PC.

Connect your turned-off phone. Look for MediaTek PreLoader USB VCOM or MTK USB Port.

If you see a yellow triangle, right-click and update the driver manually. 📂 Method 2: Use the Correct DA and Scatter Files

Using a generic Download Agent (DA) on a secure boot device will cause the tool to freeze at 100%.

Match the DA file: In SP Flash Tool, click the Choose button next to "Download-Agent".

Try selecting the default MTK_AllInOne_DA.bin found inside the SP Flash Tool folder.

If your device has a secured bootloader (like many Xiaomi, Oppo, or Realme MTK phones), you must use a specific custom DA file matching your phone model. sp flash tool stuck on download da 100

Ensure your Scatter file matches your exact phone model and stock ROM version. 🔓 Method 3: Bypass MTK Auth (For Modern Devices)

Newer MediaTek devices have a secure boot system that requires server authentication. SP Flash Tool will hang at 100% DA because it cannot bypass this security.

Download an MTK Auth Bypass Tool (such as MTK Meta Utility or MCT Bypass).

Install the required LibUSB 32 filters as prompted by those tools. Open the bypass tool and click Disable Auth.

Connect your phone while holding the boot keys (usually Volume Up + Volume Down).

Once the tool says "Protection Disabled", immediately open SP Flash Tool and click Download. ⚙️ Method 4: Change Connection Settings

Sometimes the tool times out because the connection speed or port is not configured correctly.

In SP Flash Tool, go to Options > Option (or press Ctrl + O). Navigate to the Connection tab on the left. Change the USB Speed from "High Speed" to Full Speed.

Set the Battery option to "Without Battery" if your device has a non-removable battery (or try "Auto Detect"). 🛑 Method 5: Run as Administrator & Use Older Versions

Compatibility issues with newer Windows versions can cause the software to hang. Right-click flash_tool.exe and select Run as Administrator.

If you are using the latest version of SP Flash Tool (v6.x), try downgrading to a stable v5.x version (like v5.1924), as many older scatter files only work correctly on version 5.

To help you get the exact files or steps needed to unbrick your device, could you share: What is the exact brand and model of your phone?

What operation are you trying to do? (e.g., flashing full stock ROM, rooting, or unlocking bootloader) Which Windows version is your computer running?

Getting stuck at "Download DA 100%" (red bar) in SP Flash Tool typically indicates a communication failure between your PC and the Mediatek (MTK) device's Boot ROM. While the Download Agent (DA) has reached the device, the tool is unable to proceed to the next stage, often due to driver conflicts, power issues, or secure boot restrictions. Common Causes for the 100% Hang

Driver Instability: The VCOM drivers might be incorrectly installed or not properly communicating with the device in its current state.

Secure Boot Protection: Many modern MTK devices require a specific Secure Boot DA or an authentication file (.auth) to proceed past the initial handshake.

Power/Connection Issues: A weak battery, a faulty USB cable, or an unstable USB port can cause the process to freeze just after the DA download. Step-by-Step Solutions 1. Perform a Hardware Power Cycle SP Flash Tool hanging at "Download DA 100%"

Battery Pull: If your device has a removable battery, take it out for 30 seconds and reinsert it. Ensure it is charged to at least 50%.

Device State: Ensure the phone is completely switched off before connecting it to the PC. 2. Resolve Driver and Connection Conflicts

Try Different Ports: Switch from a USB 3.0 (blue) port to a USB 2.0 port, as SP Flash Tool often has compatibility issues with newer high-speed ports.

Replace the Cable: Use the original USB cable or a high-quality data cable to ensure a stable connection.

Update VCOM Drivers: Open Device Manager, connect the phone, and check if it’s detected as "Mediatek USB VCOM". If it shows as "Unknown," manually update the driver using the Mediatek VCOM Driver Installer. 3. Adjust SP Flash Tool Settings

Run as Administrator: Right-click flash_tool.exe and select Run as Administrator.

Compatibility Mode: Set the tool to run in Windows XP Service Pack 3 compatibility mode via the file properties.

Change Download Agent: In the "Download Agent" field, try selecting MTK_AllInOne_DA.bin from the SP Flash Tool folder. If your device has secure boot, you may need a custom DA file specifically for your phone model.

Uncheck Preloader: Some users find success by unchecking the Preloader partition in the list before clicking "Download". 4. Bypass MTK Authentication (For Newer Devices)

If your device uses modern security, the flash will always hang at 100% unless the authentication is bypassed.

Use a dedicated MTK Auth Bypass Tool to disable the secure boot protection before starting the flash in SP Flash Tool.

Are you seeing a specific error code (e.g., 2004 or 0x7D4) alongside the 100% hang?

List of sp flash tool error codes, meanings & how to fix (solution)

Solution 9: Flash Using a Different PC or Linux (Live USB)

Sometimes, Windows background services (especially Hyper-V, VirtualBox drivers, or chipset USB drivers from Intel/AMD) corrupt the DA transmission.

Test options:

  1. Try a different PC – preferably an older laptop with native USB 2.0 and Windows 7 or 10 LTSC.
  2. Use a Linux Live USB – Install mtkclient (open-source BROM tool). Run: 
    sudo python3 mtk.py da seccfg unlock
    If mtkclient can communicate but SP Flash Tool cannot, the issue is your Windows configuration.
  3. Virtual Machine passthrough – Use VMware or VirtualBox with USB 2.0/3.0 passthrough. Some users find that a fresh Windows VM with only SP Flash Tool and drivers removes conflicts.

Summary Checklist

| Fix | Success Rate | |------|----------------| | USB 2.0 + good cable | ⭐⭐⭐⭐⭐ | | Correct VCOM drivers | ⭐⭐⭐⭐⭐ | | Disable driver signature | ⭐⭐⭐⭐ | | Change DA file | ⭐⭐⭐⭐ | | Adjust SP Flash Tool settings | ⭐⭐⭐⭐ | | Correct connection timing | ⭐⭐⭐⭐ | | Remove battery | ⭐⭐⭐ | | Different SP version | ⭐⭐⭐ |

If still stuck: Your device may have a corrupted preloader or eMMC failure. In that case, try BootROM (BROM) mode via test points – search for "[Your Model] BROM mode SP Flash Tool".

Let me know your phone model and chipset (e.g., MT6739, Helio G85) – I can give you device-specific settings. Solution 9: Flash Using a Different PC or

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

Use a different USB port: Avoid USB 3.0 (blue) ports; use USB 2.0 instead.

Try a different cable: Use the original high-quality data cable.

Reinstall VCOM drivers: Ensure MTK USB VCOM drivers are correctly installed in Device Manager.

Remove battery: If the device has a removable battery, take it out, wait 10 seconds, and reinsert it before connecting. ⚙️ Adjust SP Flash Tool Settings

Run as Administrator: Right-click the flash_tool.exe and select Run as Administrator. Change the Download Agent: Go to the Download tab. Click the Choose button next to "Download Agent".

Select MTK_AllInOne_DA.bin (found in the SP Flash Tool folder). Check Connection Settings: Go to Options > Option... > Connection. Set "USB Speed" to Full Speed. Set "Battery" to With Battery (or "Auto Detect"). 💻 System & Security

Disable Antivirus: Temporarily turn off Windows Defender or third-party antivirus.

Disable Driver Signature Enforcement: Windows 10/11 users may need to disable this to allow VCOM drivers to function properly. ⚠️ Common Hardware Triggers

Faulty USB Port: The physical port on the phone (charging port) might be loose or damaged.

Incompatible Firmware: Ensure the Scatter file matches your exact phone model and CPU (e.g., MT6750 vs MT6755).

Locked Bootloader: Some modern MTK devices require a "Bypass Tool" (libusb/auth bypass) to allow SP Flash Tool to communicate beyond the DA stage.

To help you get past this specific percentage, could you tell me: What is the brand and model of the phone? What version of Windows are you using? Are you trying to format, upgrade, or unbrick the device?

Knowing these details will allow me to provide the specific Download Agent (.bin) or Bypass steps for your chipset.

The SP Flash Tool getting stuck on "Download DA 100%" can be frustrating. Here are some steps and a feature you can use to potentially resolve the issue or make the process more useful:

3. Adjust SP Flash Tool Settings

Open SP Flash Tool → Options → Download:

  • ✅ Disable "Check SUM" – Often causes DA hang.
  • ✅ Enable "USB Checksum" – Improves stability on problematic cables.
  • ✅ Change "DA Download All" – Set to Speed (not "High Speed").
  • ✅ Set "Baud Rate" to 115200 (lower is more reliable).
  • ✅ Enable "Auto Detect Flash" and "Storage Type" (Auto).