Updating your Zen Firmware
Step 1. Connect your Zen to a Computer
You'll need to first connect your Zen to a compatible Windows Computer using the top 'CONSOLE/PC' USB Cable as seen in the image below

Step 2. Press and hold the Zen's blue reset button
To enter 'Zen Bootloader' mode, flip your Zen upside down, and press and hold the blue reset button until the OLED screen displays 'Zen Bootloader'.
Step 3. Update your Zen using the Update Tool site
To start your update, go to https://firmware.modcentral.ca/.
Once you've reached the website, click on 'Connect', select the 'Cronus Zen' and click 'Connect' again.

Hit 'Latest: 2.2.xx.'. It will take about 20 seconds for your Zen to be fully updated with the newest firmware!