| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | "DA Not Found" | Preloader driver not installed or device not in BROM mode. | Reinstall Mediatek VCOM drivers. Use the "Auto detect" button. | | "S_BROM_CMD_START_FAIL" | USB cable/power issue or battery too low. | Use a different USB port (USB 2.0 recommended). Remove battery (if removable). | | "Error: 0x1" | Incorrect scatter file for the device. | Double-check that the ROM matches the exact model number (e.g., MT6580 vs MT6739). | | "Tool stops at 100% BROM" | Authentication error on newer chips (MT6765, MT6785). | OMT v1.6 does not support Secure BROM. You need a paid box like MRT or EasyJTAG. | | Windows cannot start this hardware device (Code 52) | Driver signature enforcement blocked. | Reboot Windows → Disable Driver Signature Enforcement (Shift + Restart → Troubleshoot → Startup Settings → Disable driver signature). |
Once you have completed the OMT tool download and extracted the files, follow these installation steps. omt tool download