I'm using ubuntu 18.04.04 LTS (64 bit).
Web upgrade works.
After transferring my own-build firmware to the phone I managed to flash the image to the phone. As far as I can judge it works nicely, but I did not try every available feature.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I'm using ubuntu 18.04.04 LTS (64 bit).
Web upgrade works.
After transferring my own-build firmware to the phone I managed to flash the image to the phone. As far as I can judge it works nicely, but I did not try every available feature.