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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.
Guillaume_G
Hi! Are you definitely running firmware 2v08? The boot screen should say on it (it's the one showing the Bangle.js logo?).
It's possible that the Bangle.js memory got full and Bangle.js went to compact the memory to free up some space and then something happened. I thought we had that all sorted in 2v08, but earlier versions could have problems...
I guess you could have been super unlucky in which case the battery died while it was compacting, and then the data got completely lost. In that case you'd have to go to the App Loader and choose 'About -> Install Default Apps' but that would remove everything you'd previously got installed.