Upgrade firmware Cosy 141 from 11.3 to latest


I would like to know how i’m able to upgrade my Ewon cosy 141 to the latest firmware.

Currently it’s running at 11.3.

I tried to upgrade but i only see the firmware that already currently is installed.

Thank a million in advance


The Cosy 141 is a legacy device, and the latest build it can reach is 11.3. The Cosy 141 is unable to support later firmware builds doe to the hardware of the unit.

If you do require the latest firmware, you will need to purchase a Cosy 131 and/or the Flexy 20x series.