https://devzone.nordicsemi.com/f/nordic-q-a/110246/nrf5340-long-time-test-for-bt-some-devices-failedHi Devzone, Test under -20 ℃. About 500 hours, we found that BT can no longer be used until reboot system. We test 10pcs devices, and 5pcs devices have this issues. Detail test: we would start BT scan for 3 seconds then stop BT scan, Test everyen-USTelligent Community 13Mon, 15 Apr 2024 08:03:25 GMThttps://devzone.nordicsemi.com/thread/478865?ContentTypeID=1Mon, 15 Apr 2024 08:03:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7dfa3286-574a-42fa-bbd6-d8b91619a818Sigurd<p>Hi!</p> <p>I see Errata&nbsp;168 was fixed in NCS version 2.5.1 , so maybe you could test with that version instead, and see you see any improvement.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/478864?ContentTypeID=1Mon, 15 Apr 2024 01:32:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6570dd2a-bd35-4230-94c6-4e9f27df6590mluo<p>Hi, Sigurd</p> <p>We use NCS2.5.0</p> <p>The head commit of nrf repository is:</p> <p><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1713144713811v1.png" alt=" " /></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/478863?ContentTypeID=1Fri, 12 Apr 2024 12:44:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f7b4125c-d50a-4871-a8f3-90d6eb8f94dcSigurd<p>Hi!</p> <p>What nRF Connect SDK version are you using for this?</p> <p>Note that there has been several errata workarounds added in the recent versions of NCS, so if you are using an old version, you might be running into some errata here.</p><div style="clear:both;"></div>