| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | Scope boots normally, no update prompt | Wrong file name or wrong location on SD card | Ensure file is HDS2000.UPD in the root directory. | | "Update Failed" error | Corrupted download or incompatible version | Re-download the firmware from the official link. Try a different SD card (not all brands work). | | Screen freezes during update | Interrupted power or bad SD card | Wait 10 minutes. If still frozen, contact OWON support. | | After update, touch screen or buttons unresponsive | Mismatched firmware for your hardware revision | Immediately re-flash the previous stable version (if available) or contact OWON. |
Flash firmware