https://devzone.nordicsemi.com/f/nordic-q-a/54906/mesh-dfu-failHi ! I use SDK:15.3.0 ,Mesh v3.2.0 and have tried official dfu example which is ok.However, When after I enable marco &quot;MESH_FEATURE_PB_GATT_ENABLED=1 MESH_FEATURE_GATT_PROXY_ENABLED=1&quot; and INIT functions --gap_params_init();conn_params_init(); in Mainen-USTelligent Community 13Thu, 28 Nov 2019 09:10:38 GMThttps://devzone.nordicsemi.com/thread/222547?ContentTypeID=1Thu, 28 Nov 2019 09:10:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f6f9ef5a-f5fe-4703-874f-970d94374462Joakim Jakobsen<p>Hi.&nbsp;</p> <p>Maybe you could take a look at this previous ticket:&nbsp;<br /><a href="https://devzone.nordicsemi.com/f/nordic-q-a/39483/error_invalid_data-at-mesh-dfu">https://devzone.nordicsemi.com/f/nordic-q-a/39483/error_invalid_data-at-mesh-dfu</a></p> <p>Best regards,&nbsp;<br />Joakim</p><div style="clear:both;"></div>