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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.
@MobiTech
@Gordon I already tried to press BTN1+BTN2. As the watch was only used in a dry area without water next to it, I can exclude a water damage. It seems to be a problem with the communication to the external flash memory. Is there a way to check and fix it? I might also have broken the flash by uploaded a program to flash. How could it be restored?