: The MediaTek USB VCOM drivers are unstable, corrupted, or poorly configured.
The version of the tool is too old or incompatible. Step-by-Step Solutions to Fix "Download DA 100%"
A: Bypass utilities like mtkclient may not support the very latest chipset revisions. Your device may also have a new, hardware-level security lock that is not yet publicly bypassed. For these cases, you will need the official authorized flashing tool from the manufacturer. sp flash tool stuck at download da 100
Most modern MediaTek phones feature secure boot protection that locks the flashing process after the DA is sent. You need an exploit tool to bypass this.
The default DA file included with SP Flash Tool cannot handle every MTK chip, especially newer or highly customized devices (like those from Xiaomi, Oppo, Vivo, or Infinix). : The MediaTek USB VCOM drivers are unstable,
The most common cause is outdated or corrupted MTK VCOM Drivers.
Search for a specific Download Agent file designated for your exact phone model or MTK processor (e.g., MT6765, MT6739). Your device may also have a new, hardware-level
This comprehensive troubleshooting guide breaks down exactly why this error happens and provides actionable, step-by-step methods to fix it. Core Reasons Behind the "Download DA 100%" Freeze
You are using a DA_SWSEC.bin or MTK_AllInOne_DA.bin file that is not compatible with your specific chipset.