https://devzone.nordicsemi.com/f/nordic-q-a/117191/ncs2-8-0-matter-light-sample-code-not-workingHi, The sample code does not work with ncs2.8.0. The board I am using is a custom board. Custom boards do not have an external flash. I was able to evaluate it with ncs2.6.0 without an external flash, but is it not possible to evaluate it with ncs2en-USTelligent Community 13Wed, 11 Dec 2024 15:11:17 GMThttps://devzone.nordicsemi.com/thread/514569?ContentTypeID=1Wed, 11 Dec 2024 15:11:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3e5ed88e-1746-416e-b171-dccb7f4c595eMarte Myrvold<p>Hi,</p> <p>Correct. External flash is required because the Matter specification requires that all devices support DFU, and the nRF52840 cannot support DFU with only internal flash.</p> <p>Best regards,<br />Marte </p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/514413?ContentTypeID=1Wed, 11 Dec 2024 07:31:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6b228498-1e61-4428-85ec-26e009691546Kenta<p>Hi, Hiroki.</p> <p></p> <p>I also asked the same question.</p> <p>An external Flash seems to be required.</p> <p></p> <p>Best regards.</p> <p>&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/116802/questions-external-flash-required-for-matter">Questions: External Flash required for Matter?</a>&nbsp;</p><div style="clear:both;"></div>