https://devzone.nordicsemi.com/f/nordic-q-a/89309/problem-with-getting-started-with-thingy-53I received Thingy:53 and tested it by following the Getting started with Thingy:53 SDK documentation. The problem arises from the sentence below. Getting started with Thingy:53 — nRF Connect SDK 2.0.99 documentation Updating through USB 14.Selecten-USTelligent Community 13Fri, 24 Jun 2022 12:40:20 GMThttps://devzone.nordicsemi.com/thread/374151?ContentTypeID=1Fri, 24 Jun 2022 12:40:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d04dc888-4ad4-4b30-8741-95a382914698&#216;yvind<p>Hello,&nbsp;<br /><br />Thanks for pointing this out. I have reported the dfu_application.zip issue, as this is clearly a typo or bug.&nbsp;<br /><br />Will need some time to look into the process.&nbsp;<br /><br />Kind regards,<br />Øyvind</p><div style="clear:both;"></div>