https://devzone.nordicsemi.com/f/nordic-q-a/115725/if-firmware-software-need-update-after-change-nrf52840-footprint-from-qiaa-to-ckaaHello Nordic Team, Our existing device using NRF52840 QIAA, we are plan to replace the QIAA package with CKAA package for size reduction. After I went through the SPEC, I didn&#39;t find any firmware related difference between two package. Could your helpen-USTelligent Community 13Wed, 23 Oct 2024 01:00:51 GMThttps://devzone.nordicsemi.com/thread/507466?ContentTypeID=1Wed, 23 Oct 2024 01:00:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f21194fe-e3e9-433a-8e48-afdbdbc2934fyanning<p>Thank you</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/507348?ContentTypeID=1Tue, 22 Oct 2024 12:13:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bebf0b9a-8fa2-4ad5-bc53-4b587fd3bc19Kenneth<p>Hello,</p> <p>No changes if the external circuitry is the same.</p> <p>Kenneth</p><div style="clear:both;"></div>