diff --git a/examples/dfu/secure_bootloader/pca10100_s140_ble_debug/config/sdk_config.h b/examples/dfu/secure_bootloader/pca10100_s140_ble_debug/config/sdk_config.h
index 8024294..12fa14c 100644
--- a/examples/dfu/secure_bootloader/pca10100_s140_ble_debug/config/sdk_config.h
+++ b/examples/dfu/secure_bootloader/pca10100_s140_ble_debug/config/sdk_config.h
@@ -5288,12 +5288,12 @@
 // <2=> NRF_CLOCK_LF_SRC_SYNTH 
 
 #ifndef NRF_SDH_CLOCK_LF_SRC
-#define NRF_SDH_CLOCK_LF_SRC 1
+#define NRF_SDH_CLOCK_LF_SRC 0
 #endif
 
 // <o> NRF_SDH_CLOCK_LF_RC_CTIV - SoftDevice calibration timer interval. 
 #ifndef NRF_SDH_CLOCK_LF_RC_CTIV
-#define NRF_SDH_CLOCK_LF_RC_CTIV 0
+#define NRF_SDH_CLOCK_LF_RC_CTIV 16
 #endif
 
 // <o> NRF_SDH_CLOCK_LF_RC_TEMP_CTIV - SoftDevice calibration timer interval under constant temperature. 
@@ -5301,7 +5301,7 @@
 // <i>  if the temperature has not changed.
 
 #ifndef NRF_SDH_CLOCK_LF_RC_TEMP_CTIV
-#define NRF_SDH_CLOCK_LF_RC_TEMP_CTIV 0
+#define NRF_SDH_CLOCK_LF_RC_TEMP_CTIV 2
 #endif
 
 // <o> NRF_SDH_CLOCK_LF_ACCURACY  - External clock accuracy used in the LL to compute timing.
@@ -5320,7 +5320,7 @@
 // <11=> NRF_CLOCK_LF_ACCURACY_1_PPM 
 
 #ifndef NRF_SDH_CLOCK_LF_ACCURACY
-#define NRF_SDH_CLOCK_LF_ACCURACY 7
+#define NRF_SDH_CLOCK_LF_ACCURACY 1
 #endif
 
 // </h>