It's possible that somehow the flash has got corrupted in a way that means the Bangle is unable to boot, and that clearing it would solve your problems
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.
That's a very odd one. Please could you try what I'd mentioned in that same thread? https://forum.espruino.com/conversations/380059/#16702053
It's possible that somehow the flash has got corrupted in a way that means the Bangle is unable to boot, and that clearing it would solve your problems