diff --git a/include/znordic_device_info_mgr.h b/include/znordic_device_info_mgr.h
index 89895ff..f523659 100644
--- a/include/znordic_device_info_mgr.h
+++ b/include/znordic_device_info_mgr.h
@@ -5,9 +5,10 @@ typedef struct {
   uint8_t sn[14];
 } sn_t;
 
+void        device_info_read_sn(sn_t *sn);
+const char *device_info_read_sn_str();
 
-void     device_info_read_sn(sn_t *sn);
-uint16_t device_info_read_blestack_version(void);
-uint16_t device_info_read_bootloader_version(void);
-uint16_t device_info_read_firmware_version(void);
-uint16_t device_info_read_hardware_version(void);
\ No newline at end of file
+uint16_t    device_info_read_blestack_version(void);
+uint16_t    device_info_read_bootloader_version(void);
+uint16_t    device_info_read_firmware_version(void);
+uint16_t    device_info_read_hardware_version(void);
\ No newline at end of file
diff --git a/src/znordic.c b/src/znordic.c
index f683977..94fa497 100644
--- a/src/znordic.c
+++ b/src/znordic.c
@@ -217,7 +217,7 @@ DWORD get_fattime(void) { return get_fattime_0(2024, 1, 23, 23, 29, 31); }
 
 extern uint32_t g_nrf_log_tx_pin;
 void            znordic_set_uart_log_pin(uint32_t pin_number) {
-#ifdef NRF_CLI_BLE_UART_CONFIG_LOG_ENABLED
+#if NRF_LOG_BACKEND_UART_ENABLED
   g_nrf_log_tx_pin = pin_number;
 #endif
 }
\ No newline at end of file
diff --git a/src/znordic_device_info_mgr.c b/src/znordic_device_info_mgr.c
index e5cb744..f24b247 100644
--- a/src/znordic_device_info_mgr.c
+++ b/src/znordic_device_info_mgr.c
@@ -1,9 +1,15 @@
-#include "device_info_mgr.h"
+#include "znordic_device_info_mgr.h"
 
 void device_info_read_sn(sn_t* sn) {
   const char* sn_str = "M1002000000001";
   memcpy(sn->sn, sn_str, sizeof(sn->sn));
 }
+
+const char* device_info_read_sn_str() {
+  static char sn_str[15];
+  device_info_read_sn((sn_t*)sn_str);
+  return sn_str;
+}
 uint16_t device_info_read_blestack_version(void) { return 1; }
 uint16_t device_info_read_bootloader_version(void) { return 1; }
 uint16_t device_info_read_firmware_version(void) { return 1; }