I cannot upgrade firmware through Gadgetbridge as the upload always stops at 5-10%
I have the same issue with Banglejs Gadgetbridge (v0.71.2a-banglejs, from Google Play Store), so I usually disconnects from GB and do the update through https://banglejs.com/apps using Chrome / Bromite.
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 have the same issue with Banglejs Gadgetbridge (v0.71.2a-banglejs, from Google Play Store), so I usually disconnects from GB and do the update through https://banglejs.com/apps using Chrome / Bromite.