Try setting the tool to run in Windows XP Service Pack 3 compatibility mode through its properties menu .
Outdated or multiple conflicting VCOM/Preloader drivers can stall the process. sp flash tool stuck at download da 100
When the is stuck at "Download DA 100%" (often accompanied by a purple progress bar), it typically indicates a communication failure between the software and your device's Boot ROM. This stage is when the Download Agent (DA) is being sent to the phone's internal SRAM to prepare it for flashing. Common Fixes for DA 100% Freeze Try setting the tool to run in Windows
If your phone has a removable battery, try removing it and reinserting it before connecting. Switch Software Versions This stage is when the Download Agent (DA)
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.
Modern MediaTek devices (especially those with Secure Boot) often require a specific custom DA file rather than the generic one provided with the tool. SP Flash Tool Error Solutions Guide | PDF - Scribd
If none of these work, include this info when asking for help: