https://devzone.nordicsemi.com/f/nordic-q-a/119017/modify-the-device-s-group-limitHello Nordic Engineer, I tested the mesh functionality with one phone and the 52840 DK, and the DK is running the official mesh_light example. It worked successfully, and I was able to light up LED1. Now, I want to add a second group to the DK, buten-USTelligent Community 13Tue, 18 Feb 2025 08:51:36 GMThttps://devzone.nordicsemi.com/thread/523426?ContentTypeID=1Tue, 18 Feb 2025 08:51:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9b1b0698-d67d-4b36-a2ad-76345f4206aetony55723<p>Hello Amanda,</p> <p>Thank you so mush,&nbsp;my problem has been solved.</p> <p>You guessed it right, I am indeed using NCS for development, because it seems like the official updates don&#39;t cover the older SDK.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/523321?ContentTypeID=1Mon, 17 Feb 2025 14:44:46 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2f1ff942-1d73-4afe-9a2e-9379044a7aaaAmanda Hsieh<p>Hi,&nbsp;</p> <p><code>nrf_mesh_config_app.h</code><span>. is for nRF5SDK, so I guess you are using NCS. Then, you can add&nbsp;CONFIG_BT_MESH_MODEL_GROUP_COUNT into the prj.conf. See <a href="https://devzone.nordicsemi.com/f/nordic-q-a/99816/mesh-subscription-status-insufficient-resources/431113">this post</a>.&nbsp;&nbsp;</span></p> <p><span>Regards,<br />Amanda H.</span></p><div style="clear:both;"></div>