Sp Flash Tool Stuck At - Download Da 100

Using a Download Agent (DA) that doesn’t match your chipset (e.g., using an MT6577 DA for an MT6795) or a mismatched scatter file will cause a freeze at 100%.

DA stands for Download Agent. It’s a small piece of code that SP Flash Tool sends to your phone’s RAM to manage the data transfer between the PC and the device’s flash memory (eMMC/UFS).

When it freezes at "Download DA 100%", it means the DA was sent successfully, but the phone never acknowledged it or the handshake for the next stage failed.

This is mechanical, not just software. The flashing process requires consistent voltage.

Before smashing your keyboard, let's decode what "DA" means. sp flash tool stuck at download da 100

DA stands for Download Agent. Think of the DA as a small, temporary operating system that the SP Flash Tool uploads to your phone’s RAM. Its job is to take over from the phone's boot ROM and handle the actual writing of data (system, boot, recovery) to the flash memory.

The process flow is:

If you are stuck at "Download DA 100%," it means the SP Flash Tool successfully sent the DA file to the phone (Step 1 is complete), but the phone cannot execute the DA or cannot handshake back to the computer (Step 2 or 3 failed).

Windows may be using the wrong driver for your device. The correct driver is MediaTek USB Port (or MTK USB Com Port). If Windows uses libusb or a generic MTP driver, the handshake fails. Using a Download Agent (DA) that doesn’t match

Follow these solutions in order. Often, the first or second step will resolve the problem.

Windows 10/11 can block the raw USB access that the DA needs.

The "SP Flash Tool stuck at Download DA 100%" error is a handshake failure between the Download Agent on your phone and the software on your PC. It is rarely a sign of a dead phone.

The Golden Path to Success:

Do not panic. Do not disconnect the phone while the DA is stuck (you won't brick it). Just close SP Flash Tool, disconnect the battery (if possible), wait 10 seconds, and try again with one of the advanced fixes above.

Happy Flashing!

When the SP Flash Tool gets stuck at "Download DA 100%", it typically indicates a communication failure between the software and the device's boot ROM after the initial handshake is complete. The "Download DA" phase is when the tool sends the Download Agent (the code that handles the actual flashing) to the phone's internal memory; sticking at 100% means the DA was sent but never successfully executed or "responded" back. Common Causes & Solutions Stuck at Download DA 100% - Hovatek