Any PC running any Microsoft Windows version can be used.
(Windows XP is recommended, though)

1. Change your PC's IP address to 192.168.0.5 (mask 255.255.255.0)

2. Connect an Ethernet cable between your PC and any ET port of the IX67.
   NOTE: Any of the ET1-ET4 ports can be used. The WAN port cannot be used.

3. Press and keep the ALT button on IX67 pressed, turn power on.

4. Keep ALT button pressed, and WAIT 10 SECONDS (important!)

5. Keep ALT button pressed, and doubleclick on burn.bat

6. Keep ALT button pressed until AIR lamp starts to flash. Then you can release ALT button.

7. Wait two minutes, until AIR lamp finishes flashing and remains lit.

8. If burn.bat has not closed itself automatically, end it by pressing CTRL+C

9. Turn off your IX67.

10. Restore your PC's IP address to original value

11. Turn on your IX67. Wait up to 30 seconds for it to display "HELLO"

Your IX67 has now been loaded with new firmware. All settings has been reset to factory defaults.
It might require an extra reset to factory defaults for the correct logotypes etc to appear.
You need to enter your settings again before starting to use the unit.

