Below is a complete, step-by-step guide to troubleshoot and fix this issue. ⚡ Quick Fixes to Try First
Before fixing the error, you need to understand the boot stages:
To help you get the exact files or steps needed to unbrick your device, could you share: What is the exact of your phone?
Switch to a different (preferably one directly on the motherboard if using a desktop). sp flash tool stuck on download da 100
Once the bypass tool reports “Auth Bypass Success” , keep the device connected, open your SP Flash Tool , and hit Download immediately. 2. Match and Swap the Download Agent (DA) File
This article provides a comprehensive guide to understanding why this happens and, more importantly, how to fix it based on proven solutions from developer communities. What Does "Download DA 100%" Mean?
: Launch the filter wizard and connect your powered-off device while holding Volume Up + Volume Down to catch and filter the MediaTek VCOM driver. Below is a complete, step-by-step guide to troubleshoot
Use a tool like the MTK Auth Bypass Tool or MTK Meta Utility .
: 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.
When this happens, the flashing process halts, and the device might end up in a soft-bricked state. This article provides a comprehensive guide to understanding and resolving this issue. What Does "Download DA 100%" Mean? Once the bypass tool reports “Auth Bypass Success”
Now that we've identified the potential causes, let's explore the solutions:
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"
: 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
Before diving into the fixes, it helps to understand why the tool stops at this exact position:
If none of the above works, the preloader region of the eMMC is likely corrupt beyond BROM's ability to bypass. In this state, the phone won't even accept the DA.