BLE Secure Bootloader works fine on Dev board, does not work on custom boardhttps://devzone.nordicsemi.com/f/nordic-q-a/84655/ble-secure-bootloader-works-fine-on-dev-board-does-not-work-on-custom-boardWe have developed many solutions starting from example and modifying them to fit our needs, this one in particular has me stumped. We already have working BLE and USB CDC ADM comms in our application, our bootloader though we originally released withen-USTelligent Community 13Wed, 23 Feb 2022 18:28:08 GMTRE: BLE Secure Bootloader works fine on Dev board, does not work on custom boardhttps://devzone.nordicsemi.com/thread/354682?ContentTypeID=1Wed, 23 Feb 2022 18:28:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e60f9869-4f4e-48e6-9401-891472c3985bsuperglitch<p>Hey Jonathan, thank you for giving me a rabbit hole to go down.&nbsp; I found that setting NRF_SDH_CLOCK_LF_SRC to 2 resolved my issues.</p><div style="clear:both;"></div>RE: BLE Secure Bootloader works fine on Dev board, does not work on custom boardhttps://devzone.nordicsemi.com/thread/352584?ContentTypeID=1Fri, 11 Feb 2022 12:00:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:36af62e9-8403-4c47-b0fa-09a7ce990192JONATHAN LL<p>This could be LF issue, or it could be related to changes in custom HW from DK. Are alle the same pins used exactly like on the DK and with LFXO also?<br /><br />Regards,<br />Jonathan</p><div style="clear:both;"></div>