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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 - Thanks for letting us know!
In the official instructions for firmware updates at http://www.espruino.com/Firmware+Update#nrf52 we recommend
nRF Device Firmware Updatefrom https://apps.apple.com/gb/app/device-firmware-update/id1624454660 - does that not work for you?Potentially you can still do a firmware update from a PC/Mac using espruino.com/ide but it's not always that stable so I don't recommend it - but if it's your only option...