Update The Avr-Key Firmware With A Windows Pc - HDFury Ultra AVR Key User Manual

14 Ultra AVR Key – User Manual
Updating your AVR-Key Firmware for Windows PC
The AVR-Key Firmware Updater is compatible with all Windows from Win XP to Win 10.
Make sure you have installed the right Silabs driver based on your Windows version and USB port as
described in previous page.
You can download the latest Firmware version for your AVR-Key device from the Download Tab on the
AVR-Key Product page: here. If you are unsure about your Firmware version currently in use, simply use
the USB GUI for Windows PC to retrieve it.
Once downloaded and extracted, you should have a directory on your computer with the following files
You will have to run AVR-KEY-MCU update to successfully upgrade your AVR-Key unit.
Note: Version number could be different depending on the FW revision you downloaded.
MCU Update Instructions
Double-click AVR-KEY-MCU executable (if needed, right-click and select Run as Administrator)
The below window will open.
Click Update Firmware as shown on the below picture.
Flashing time is about 5 seconds.
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Disclaimer: 3 party and/or custom firmware providing extra features are not covered in this manual.