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  • It's very unlikely. The softdevice generally stops you writing to protected areas of flash memory and you have to turn it off before you can do that. While Espruino allows you to write to flash, it also has protection (can be overridden via E.setFlags) to stop you overwriting Espruino itself or the softdevice/bootloader.

    I've shipped a lot of nRF52-based devices now - I can't remember the exact figure but probably over 20,000 - and I can't even remember a time when anyone has been able to properly brick their device (apart from by flashing very early firmwares onto Puck.js v2 via DFU).


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