Depending on the installed firmware version, the update procedure differs.
Running firmware version v1.74 or earlier? An upgrade is needed. Follow the upgrade procedure to v2.00.
Already on firmware version 2.00 or later, continue reading on this page.
There are two ways to update the firmware of a CCGX:
Updating with a microSD-card or USB-stick is called 'Offline updating'. Use it when updating a device that is not connected to the internet.
Get the latest swu file: https://updates.victronenergy.com/feeds/venus/release/images/ccgx/venus-swu-ccgx.swu
Store the file in the root folder of a USB stick or microSD card.
Note that you will see a warning “Not using media for storing logs”. That warning can safely be ignored.