MCUMGR CBOR response to write during DFU shows WDT reset due to invalid write.https://devzone.nordicsemi.com/f/nordic-q-a/110847/mcumgr-cbor-response-to-write-during-dfu-shows-wdt-reset-due-to-invalid-writeI&#39;ve been trying to work through some random disconnects during DFU OTA on iOS. We are only seeing disconnects once we enter the Nordic Swift library for DFU OTA I sniffed the network then wrote a parser to re-assemble the MCUMGR packets. This is happeningen-USTelligent Community 13Mon, 06 May 2024 10:56:32 GMTRE: MCUMGR CBOR response to write during DFU shows WDT reset due to invalid write.https://devzone.nordicsemi.com/thread/481979?ContentTypeID=1Mon, 06 May 2024 10:56:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fd9b3b0c-7c79-4bb0-9e1a-9b5e2fcbaa02Sigurd Hellesvik<p>Hi,</p> <p>Can you send the sniffer log you get?</p> [quote user=""]Is there a flow chart or sequence diagram that shows the steps taken during the DFU?[/quote] <p>Docs on MCUMGR are <a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/services/device_mgmt/index.html">here</a>. See SMP Protocol stuff for what you look for.</p> [quote user=""] random disconnects [/quote] <p>Do you get disconnect reasons from logs anywhere?</p> <p>Regards,<br />Sigurd Hellesvik</p><div style="clear:both;"></div>