Video: How do I upgrade my Conext Combox firmware using a USB thumb drive?
The video below demonstrates how to upgrade the firmware in your Combox using a thumb drive.
Please note after holding down the reset pinhole and restoring power, ALL LEDs will flash 8-10 times very quickly, then a pause for a few seconds, then ALL LEDs will flash 5-6 time a bit slower. After this, the POWER and STATUS LEDs will remain lit solid. Then let go of the reset pinhole. Make sure there is only one .bdl file saved to your thumb drive, then plug it into the HOST port of the Combox. The upgrade is automatic and takes about 5 minutes. You will know when the upgrade is complete because only the POWER LED will be lit.