That's odd - the bootloader shouldn't be able to overwrite itself, so it should keep working even if you accidentally reset it... If that bricked them I'd have a lot more returns :)
I'll have a try on this side and see if I have any luck with it.
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 odd - the bootloader shouldn't be able to overwrite itself, so it should keep working even if you accidentally reset it... If that bricked them I'd have a lot more returns :)
I'll have a try on this side and see if I have any luck with it.