Sp Flash Tool Stuck On Download [better] Da 100 -
Getting stuck at "Download DA 100%" in SP Flash Tool is a common bottleneck that indicates the software has successfully sent the Download Agent (DA) to your device's internal RAM but is now failing to establish a handshake to proceed with the actual firmware flashing. Understanding the "Download DA 100%" Hang
The Download Agent is the critical intermediary software that allows your PC to communicate with the MediaTek (MTK) chipset. When it reaches 100% and halts, it usually means the device has "accepted" the agent but cannot initialize the next phase—often due to driver conflicts, security boot protocols, or hardware connection drops. Proven Solutions to Resolve the Freeze 1. Update or Reinstall VCOM Drivers
The most frequent cause is an unstable or incorrect MediaTek Preloader VCOM driver.
Clean Slate: Use a tool like USBDeview to uninstall all existing MTK and VCOM drivers.
Manual Install: Restart your PC and manually install the VCOM drivers through the Device Manager via "Add Legacy Hardware". 2. Swap the Download Agent (DA) File
Modern MTK devices, especially those with Secure Boot, often require a specific DA file rather than the default MTK_AllInOne_DA.bin. Navigate to the Download-Agent field in SP Flash Tool.
Select a DA file specifically provided with your phone’s stock firmware or try a Secure Boot DA. 3. Adjust Connection Settings and Physical Hardware
The tool may be timing out because it loses contact with the device immediately after the DA is loaded.
USB Speed: Go to Options > Option > Connection and set the USB Speed to Full Speed instead of High Speed.
Physical Connection: Try a different USB cable (preferably the original) and a USB 2.0 port on your PC; USB 3.0 ports often cause communication drops with flashing tools.
Battery State: Ensure the battery is at least 50% charged and firmly inserted. Some devices require holding a volume button (usually Volume Down or both) while connecting to stay in the correct mode.
List of sp flash tool error codes, meanings & how to fix (solution)
The "Download DA 100%" freeze in SP Flash Tool typically signals a communication breakdown between your PC and the MediaTek (MTK) device just as the initial handshake completes. Why Your Flash Is Stuck
Getting stuck at 100% on the red "Download DA" bar often means the tool has successfully sent the Download Agent (DA)
to the device's internal RAM, but it cannot transition to the actual flashing stage. This is usually due to: Incorrect Download Agent : Using the default MTK_AllInOne_DA.bin for a device that requires a secure or custom DA. Driver Mismatch
: The PC recognizes the "MediaTek USB VCOM" port but fails to hand over to the "MediaTek Preloader" port. Hardware Connection
: A faulty USB cable or port that can handle small data bursts (like the DA) but fails during heavy data transfer. Step-by-Step Fixes Switch the Download Agent (DA) SP Flash Tool
and manually select a different DA file. For many newer secure-boot devices (like Infinix, Tecno, or Oppo), you must use a custom DA (often named DA_SWSEC.bin or similar) provided with your specific firmware. Toggle "Check LIB DA Match"
If using a custom DA, you may need to disable a security check. Navigate to Options > Option > Download and uncheck "Check LIB DA match" to allow the tool to proceed with non-default agents. Clean Your VCOM Drivers Conflicting drivers are a major culprit. Use a tool like
to uninstall all old "MediaTek" or "Preloader" drivers, restart your PC, and then manually reinstall the MTK VCOM Drivers Hardware Connection Check
: Avoid USB 3.0 (blue) ports; older MTK devices often prefer Battery Status
: Ensure the phone is completely off. Some devices require the battery to be during the flash, while others require it to be or for you to hold Volume Down while connecting. Try an Older Version
If you are on the latest v5 or v6, try rolling back to an older stable version like
for legacy devices, as newer versions sometimes drop support for older chips. Best Practices to Avoid Bricking
Fix SP Flash Tool COM Port Open Error: A Simple Guide - Crawler
When the SP Flash Tool gets stuck on "Download DA 100%" (indicated by a solid red bar), it usually means
the tool has successfully loaded the Download Agent to the phone's internal memory, but the device and computer have failed to establish further communication to begin the actual flashing process Quick Fixes to Try First Use the Right Key Combination
: While the red bar is at 100%, try holding different button combinations on your phone while it's connected. Common combinations include Volume Down both Volume buttons sp flash tool stuck on download da 100
simultaneously. This often triggers the handshake required to move past the DA stage. Uncheck "Preloader"
: In the main SP Flash Tool interface, locate the list of partitions and uncheck the
option before clicking Download. This is a common workaround for communication hang-ups. Switch USB Ports/Cables
: Use a high-quality USB cable and try a different port on your PC, preferably a USB 2.0 port
if available, as USB 3.0 (blue ports) can sometimes cause timing issues. Advanced Troubleshooting
If the quick fixes don't work, one of the following root causes is likely the culprit: Driver Issues (VCOM)
: Your computer may not have the Mediatek VCOM drivers installed or configured correctly. Device Manager
on your PC and watch the "Ports (COM & LPT)" or "Other Devices" section while connecting the phone.
If it appears as "Unknown Device" or disappears quickly, right-click and manually update the driver to the MediaTek USB VCOM Incorrect Download Agent (DA) : Some newer or secure-boot devices require a specific file rather than the default MTK_AllInOne_DA.bin
next to "Download-Agent" in the tool and select a specialized DA file like DA_SWSEC.bin or a specific one provided with your phone’s firmware. Battery Connection With Battery
: Ensure the phone is completely switched off with the battery inside before connecting. Without Battery
: For some older models, try removing the battery (if possible) and connecting the phone without it. Tool Version : Ensure you are using the latest version of SP Flash Tool
. If the latest version fails, try an older stable version (e.g., v5.19xx), as some chipsets work better with older software.
What is the specific model of the device you are trying to flash? Knowing this can help identify if a specialized Download Agent is required. AI responses may include mistakes. Learn more SP Flash Tool Error Solutions Guide | PDF - Scribd
Troubleshooting SP Flash Tool Stuck on "Download DA 100%" The "Download DA 100%" error is one of the most frustrating hurdles when flashing MediaTek (MTK) devices. While it looks like the process is finished because it reached 100%, the SP Flash Tool effectively freezes, and the yellow progress bar never starts. This usually indicates a communication breakdown between your PC and the device's bootloader. Why is SP Flash Tool Stuck?
This error typically stems from a handshake failure during the initial boot phase. Common culprits include:
Driver Conflicts: Missing or incorrect MediaTek VCOM drivers.
Authentication Requirements: Newer MTK chips require a Secure Boot Auth file.
Hardware Connection: A faulty USB cable or port providing power but not data.
Version Mismatch: Using an outdated version of SP Flash Tool for a modern chipset. Step-by-Step Solutions 1. Fix the VCOM Drivers
The most frequent cause is a driver that isn't properly signed or installed.
Action: Uninstall any existing MTK drivers from your Device Manager.
Action: Download the latest MTK VCOM USB Drivers and install them manually. If you are on Windows 10 or 11, you must disable Driver Signature Enforcement before installing. 2. Use the Correct Download Agent (DA)
The "Download DA" phase is when the tool sends a small piece of code to the phone's RAM to manage the flashing process.
Solution: In the SP Flash Tool interface, look at the "Download-Agent" field. Instead of the default MTK_AllInOne_DA.bin, try selecting the specific DA file provided with your phone's firmware.
Secure Boot: If your device is newer (MT67xx series), you likely need an Authentication File (.auth). Load this into the "Authentication File" slot in the tool. 3. Bypass Auth with MTK Meta Utility
Many modern MediaTek devices have a "Bypass" requirement to allow the SP Flash Tool to communicate. Getting stuck at "Download DA 100%" in SP
Action: Use a tool like the MTK Auth Bypass Tool or MTK Meta Utility.
Process: Run the bypass tool, click "Disable Auth," and then connect your phone while holding the Volume buttons. Once the tool says "Success," immediately hit "Download" in SP Flash Tool. 4. Check Connection Settings
Sometimes the tool is looking for the wrong connection protocol. Go to Options > Option... > Connection. Ensure "USB" is selected.
Set the Battery setting to "with battery" if your phone has a non-removable battery, or "without battery" if it's removable.
Try changing the Baud Rate to a lower speed if the connection is unstable. 5. Hardware Troubleshooting
If the software fixes fail, the physical link is often the issue.
Change Ports: Avoid USB 3.0 (blue) ports; SP Flash Tool often prefers USB 2.0 ports.
Cable Quality: Use the original OEM cable or a high-quality data-sync cable.
The "Boot Key" Combo: Ensure you are holding the correct buttons (usually Volume Down or both Volume buttons) when plugging in the USB cable to trigger the VCOM port. Final Tip: Use the "Format All + Download" Caution
If you are still stuck at 100% DA, you might be tempted to switch from "Download Only" to "Format All + Download." Be careful: This will wipe your NVRAM/IMEI data, potentially leaving you with no cellular signal. Only use this as a last resort and ensure you have a backup of your device's original firmware.
Which MediaTek chipset or phone model are you currently trying to flash? Knowing the specific model can help narrow down the exact DA file you need.
How To install Sp Flash Tool -how to install sp flash tool in pc
When SP Flash Tool gets stuck at Download DA 100% (often represented by a solid red bar), it means the tool has successfully loaded the Download Agent (DA) into the device's internal SRAM but is failing to initiate communication with the phone's DRAM or external memory. Common Fixes for the 100% Hang
Toggle Boot Keys: While the tool is stuck at 100%, try holding different button combinations on your device (e.g., Volume Up, Volume Down, or both) while it's connected.
Driver Reset: Conflicting drivers can stall the process. Use a tool like USBDeview to uninstall old VCOM and Preloader drivers, then reinstall the latest MediaTek USB VCOM drivers.
Try Different Tool Versions: Older MediaTek chips (like MT6575/MT6577) often require specific older versions of SP Flash Tool, while newer chips need the latest v5 or v6 releases.
Run as Administrator: Right-click flash_tool.exe and select Run as Administrator. You might also need to set the Compatibility Mode to Windows XP Service Pack 3 for older versions. Check Hardware Connections:
Switch to a different USB port (preferably one directly on the motherboard if using a desktop).
Ensure the battery is inside and sufficiently charged, or try the process without the battery if your device supports it.
File Selection: Ensure you are using the correct DA_SWSEC.bin or MTK_AllInOne_DA.bin file provided with the firmware or the tool. Common Error Meanings
List of sp flash tool error codes, meanings & how to fix (solution)
Case Study: Common Models with "Download DA 100%" Bug
From forum reports, these models frequently exhibit this behavior along with specific fixes:
- Xiaomi Redmi 9A/9C (MT6765G): Fix = Use SP Flash v5.2108 + USB 2.0 + Disable checksum validation.
- Tecno Spark 7 (MT6762): Fix = Force BROM mode via test point + DA from stock ROM.
- Samsung Galaxy A03 Core (MT6739): Fix = Replace USB cable + Use "Firmware Upgrade" (non-intuitively).
- Realme C2 (MT6762): Fix = Downgrade to SP Flash v5.1916 + Uncheck "Preloader" in download list.
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.
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. Xiaomi Redmi 9A/9C (MT6765G): Fix = Use SP Flash v5
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.
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?
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:
Understanding the Issue
- Problem: SP Flash Tool gets stuck at "Download DA 100%".
- Possible Causes: This issue could arise due to several reasons including but not limited to incorrect firmware, improper USB connection, outdated SP Flash Tool version, or issues with the device's USB port.
Solution 3: Adjust SP Flash Tool Options (Prevent Timeouts)
The default timeout for the DA handshake is too short for some older or heavily bricked phones.