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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.
@Gordon
The fact you're still getting the DFU messages seems good - at least the bootloader is ok.
Maybe try re-downloading and give it another go? Is it possible you uploaded the Bangle.js 1 firmware by accident, rather than the Bangle.js 2 firmware?
Also if you get 'error', just try redoing the firmware update on your phone. It'll start from where it left off so it might just finish the last 1%
The "Firmware Update" app in the app loader is the one I'd recommend everyone use now, but it seems it's a bit late for that at this point.