https://devzone.nordicsemi.com/f/nordic-q-a/126992/fota-from-sdk-1-9-0-to-sdk-2-3-0-failedHello, We have a nRF9160 product in production that is programmed with an image created by SDK 1.9.0 and with the default memory partition. We migrated to SDK 2.3.0 last August and FOTA to those product failed. Device rolled back to the older versionen-USTelligent Community 13Mon, 16 Feb 2026 12:20:57 GMThttps://devzone.nordicsemi.com/thread/561227?ContentTypeID=1Mon, 16 Feb 2026 12:20:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8a73e46f-2015-41e8-92a4-184fa182d21cMichal<p>Hello,</p> <p>There was a change in address offsets between 1.9.0 and 2.x.x</p> <p>Please check out the following case:&nbsp;&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/89871/nrf91-slm-fota-from-ncs-1-9-1-to-ncs-2-0-0-failing">NRF91 SLM FOTA from NCS 1.9.1 to NCS 2.0.0 failing</a>&nbsp;</p> <p>Best regards,</p> <p>Michal</p><div style="clear:both;"></div>