https://devzone.nordicsemi.com/f/nordic-q-a/55500/dfu-ota-mesh-network-necessary-for-updateHi, I try to do the DFU example in the nRF5 Mesh SDK V4.0 for the nRF52833 Development-Kit: https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.meshsdk.v3.1.0%2Fmd_doc_libraries_dfu_dfu_quick_start.html Somehow I get thisen-USTelligent Community 13Thu, 12 Dec 2019 13:40:36 GMThttps://devzone.nordicsemi.com/thread/225167?ContentTypeID=1Thu, 12 Dec 2019 13:40:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5a0a4231-73e5-400a-8db1-7b24135628ebJoakim Jakobsen<p>Thanks for sharing.&nbsp;</p> <p>Best regards!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/225069?ContentTypeID=1Thu, 12 Dec 2019 07:09:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:53b4576d-67c5-48da-bec7-76b1ad6ffe84SET<p>I got it, the key was indeed wrong</p><div style="clear:both;"></div>