https://devzone.nordicsemi.com/f/nordic-q-a/38932/thingy52-dfuHi ! Regarding the dfu upgrade service of thingy52, I would like to ask if it is possible to use some Bluetooth devices (such as laird&#39;s bl654) to make thingy52 enter dfu mode by writing gattc commands. I have seen the code of thingy_sdk_v2.1.0, knowen-USTelligent Community 13Fri, 17 Jan 2025 11:16:30 GMThttps://devzone.nordicsemi.com/thread/518822?ContentTypeID=1Fri, 17 Jan 2025 11:16:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:849ff184-ca8e-4938-b7a1-94fcbcd12fdaUsha<p><strong>Subject:</strong> Thingy:52 Device Not Showing Port</p> <p><strong>Body:</strong><br />Hello,<br />I am using the Nordic Thingy:52 device, but it is not showing up as a port when I connect it to my system. Could you please help me troubleshoot this issue?</p> <p>Thank you!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/150703?ContentTypeID=1Thu, 27 Sep 2018 12:23:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e6992a1a-90f2-472d-9afb-a2f9577ea035jessen<p>i got the problem work out already today！&nbsp;<span class="short_text" id="result_box" lang="en"><span class="">My guess is correct，you can write opcode to the&nbsp;<span>characteristic by</span>&nbsp;gattc write commands ,but you must ensure the opcode is correct and the&nbsp;<span>characteristic you write is correct&nbsp;</span></span></span></p><div style="clear:both;"></div>