https://devzone.nordicsemi.com/f/nordic-q-a/50959/does-anyone-know-how-to-flash-the-nrf52840-dongle-where-is-the-official-firmwareHi, With my mistake, the firmware in nrf52840 Dongle is none, Do you know how to get the official firmware? and how to download this firmware? if using Jlink, any pin support may be fine. BTW, i only want to use BLE in NRF connect. Thanks a len-USTelligent Community 13Wed, 14 Aug 2019 07:53:39 GMThttps://devzone.nordicsemi.com/thread/203966?ContentTypeID=1Wed, 14 Aug 2019 07:53:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e11e0189-3df9-4fd8-b421-5156aba83be0Simonr<p>Hi</p> <p>Please take a look at our <a href="https://devzone.nordicsemi.com/nordic/short-range-guides/b/getting-started/posts/nrf52840-dongle-programming-tutorial">nRF52840 Dongle Programming Tutorial</a>, which covers how to program it, recover it, and adapting SDK examples to be programmable on the Dongle.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>