Do you think you could check the battery voltage or try with a new battery?
It's possible that the firmware update failed because the battery ran out - re-flashing the device uses quite a lot of power
@Gordon started
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.
Do you think you could check the battery voltage or try with a new battery?
It's possible that the firmware update failed because the battery ran out - re-flashing the device uses quite a lot of power