https://devzone.nordicsemi.com/f/nordic-q-a/107642/nrf9160---different-partitions-for-nrf9160-dk-and-thingy-91NCS 2.5.1 I found a difference in the partition sizes, between nRF9160-DK and Thingy:91 board definitions. nRF9160-DK: &amp;slot0_partition { reg = &lt;0x00010000 0x40000&gt;; }; &amp;slot0_ns_partition { reg = &lt;0x00050000 0x30000&gt;; }; Thingy:91: &amp;slot0_partitionen-USTelligent Community 13Tue, 23 Jan 2024 14:21:53 GMThttps://devzone.nordicsemi.com/thread/465612?ContentTypeID=1Tue, 23 Jan 2024 14:21:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3d7d6a95-fd3c-4982-b7af-923d0f51a480Achim Kraus<p>Thanks!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/465594?ContentTypeID=1Tue, 23 Jan 2024 13:53:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cdb9cc1b-c2b8-4f45-847c-f26f15c6ebcaMichal<p>Hello again,</p> <p>It is not important, as the Partition Manager configuration overwrites that.</p> <p>They may be used for test purposes when building from upstream Zephyr.</p> <p>Best regards,</p> <p>Michal</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/465559?ContentTypeID=1Tue, 23 Jan 2024 12:44:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e21fdda4-02a5-41f6-b869-acc4bd56ae5aMichal<p>Hello Achim,</p> <p>I have asked the developers about that.</p> <p>Best regards,</p> <p>Michal</p><div style="clear:both;"></div>