https://devzone.nordicsemi.com/f/nordic-q-a/127688/accessing-nrf52840-in-thingy91-xHello Team, I am new to nordic products. We have just purchased Thingy: 91x from you. I just want to explore on nRF52840 BLE section. I was not able to detect the device in nrf connect Programmer. But is it possible to program nrf52 in Thingy:91xen-USTelligent Community 13Fri, 03 Apr 2026 13:59:42 GMThttps://devzone.nordicsemi.com/thread/564444?ContentTypeID=1Fri, 03 Apr 2026 13:59:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:16fe3b33-d7ad-4086-b8f5-75c145746713Amanda Hsieh<p>That&#39;s correct.&nbsp;</p> [quote user=""]I just want to explore on nRF52840 BLE section.[/quote] <p>I would suggest you use nRF52840DK.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/564432?ContentTypeID=1Fri, 03 Apr 2026 06:53:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:61b93015-d836-4c13-b193-685b47cc37fcAchim Kraus<p>Just as a quick remark:</p> <p>The Thingy:91X comes with a&nbsp;<strong>nRF5340</strong>, not a nrf52840, that was used by a Thingy:91.</p><div style="clear:both;"></div>