Bricked Energy dongle?

Today I received the Energy dongle.

I managed to connect to homey and to the internet
An updated started

After that it went from bad to worse.

Update ran for 30 minutes, nothing happened it was constantly swithcin between bleu purple and red.

I rebooted the dongle, now the led is constantly ‘breating’ red.

Tried to factory reset, this did not work, kept the reset button pressed for 30 seconds, 1 minute, 5 minutes, but the led keeps ‘breathing’ red. No blinking, no reset.

Does anyone have any idea how to get it up and running?

But to keep the forum more clean, please continue in the official energy dongle topic.
This one will be closed for that reason.