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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.
@Gordon
Hi - do you think you could do a video of what's not working with the upload from Android?
You're sure you are booted up to the bootloader (eg where it says
DFU START?)What error message do you get from the NRF Toolbox app on Android when you try to connect to
DfuTarg?If it really is broken then yes we can arrange a refund/return, but I don't think I have ever had a single device out of ~15,000 bluetooth Espruino devices where the bootloader actually started up like this and then wouldn't work, so I'd like to be absolutely sure first.