| Problem | Solution | |----------------------------------|-------------------------------------------| | BROM ERROR: S_BROM_DOWNLOAD_DA_FAIL | Wrong driver or USB port (try USB 2.0) | | Device not detected in SP Flash Tool | Reinstall VCOM drivers, swap cable | | Preloader error | Battery too low – charge for 1 hour | | Stuck at “Download DA 100%” | Use a different version of SP Flash Tool |