https://devzone.nordicsemi.com/f/nordic-q-a/54298/buttonless-dfu-doesn-t-buildHi, I am in the process of converting a large freertos project from nRF52832/SDK14.2 to nRF52840/SDK16.0 I&#39;ve managed to convert everything but the buttonless DFU functionality. When building the prject I get the following errors referrng toen-USTelligent Community 13Fri, 15 Nov 2019 10:01:41 GMThttps://devzone.nordicsemi.com/thread/220254?ContentTypeID=1Fri, 15 Nov 2019 10:01:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:97589792-6b9e-4803-9562-4ea2ad30b9f8bjorn-spockeli<p>Hi eyelasko,&nbsp;</p> <p>as for the compilation errors, have you made sure that the nRF5_SDK_16.0.0_684aa2c\components\libraries\bootloader\ble_dfu folder is added to the include paths, where&nbsp;nrf_dfu_ble_svci_bond_sharing.h is located?&nbsp;</p> <p>You also need to add&nbsp;NRF_DFU_TRANSPORT_BLE=1 to your Preprocessor Definitions.&nbsp;<br /><br />Best regards</p> <p>Bjørn</p><div style="clear:both;"></div>