https://devzone.nordicsemi.com/f/nordic-q-a/127572/devzone-post-custom-nrf54l15-board-not-recognized-by-kconfig-falls-back-to-apollo4xDevZone Post: Custom nRF54L15 Board Not Recognized by Kconfig (Falls Back to Apollo4X) Summary: I am bringing up a custom board based on the Raytac AN54L15Q (nRF54L15). The board is detected and DTS parses correctly, but Kconfig does not recognize theen-USTelligent Community 13Wed, 25 Mar 2026 16:30:49 GMThttps://devzone.nordicsemi.com/thread/564055?ContentTypeID=1Wed, 25 Mar 2026 16:30:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ca1e4196-f83d-47de-83dc-cbf05fb88c4cJohnsonian<p>Yeah,, got bad advise from both claude and co-pilot.... wasted 3 weeks trying, since no arduino exists for the nrf54l15 family (so they say) , so am respinning the board to an ESR32-s-miini... a real bummer.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/563994?ContentTypeID=1Wed, 25 Mar 2026 07:08:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0712b72f-9450-423f-b109-c9450175e3a4Turbo J<p>Care to explain why you try to use an ancient NCS version? Try 3.1.1 or 2.9.x versions - these actually know a <span><code>SOC_NRF54L15_CPUAPP </code></span>config symbol. The 2.6.x version predates it...</p><div style="clear:both;"></div>