diff --git a/Core/Inc/sys_conf.h b/Core/Inc/sys_conf.h
index d4a50ca..3611754 100644
--- a/Core/Inc/sys_conf.h
+++ b/Core/Inc/sys_conf.h
@@ -52,7 +52,7 @@ extern "C" {
 /**
   * @brief Enable trace logs
   */
-#define APP_LOG_ENABLED                      0
+#define APP_LOG_ENABLED                      1
 
 /**
   * @brief Activate monitoring (probes) of some internal RF signals for debug purpose
diff --git a/Core/Inc/yunhorn_sts_sensors.h b/Core/Inc/yunhorn_sts_sensors.h
index e64b7dd..4b6bc13 100644
--- a/Core/Inc/yunhorn_sts_sensors.h
+++ b/Core/Inc/yunhorn_sts_sensors.h
@@ -477,6 +477,7 @@ void STS_SENSOR_Function_Test_Process(void);
 void STS_YunhornSTSEventRFAC_Process(void);
 void STS_YunhornAuthenticationCode_Process(void);
 
+
 /* USER CODE BEGIN Private defines */
 /* 
     In this example TIM2 input clock (TIM2CLK)  is set to APB1 clock (PCLK1),
diff --git a/LoRaWAN/App/lora_app.c b/LoRaWAN/App/lora_app.c
index 1a2c8cf..bbfa846 100644
--- a/LoRaWAN/App/lora_app.c
+++ b/LoRaWAN/App/lora_app.c
@@ -279,6 +279,7 @@ static void OnYunhornSTSHeartBeatTimerEvent(void *context);
   */
 static void STS_YUNHORN_RFAC_HANDLE_PROCESS(void);
 
+
 /* USER CODE END PFP */
 
 /* Private variables ---------------------------------------------------------*/
@@ -440,6 +441,11 @@ void LoRaWAN_Init(void)
   UTIL_TIMER_Create(&RxLedTimer, LED_PERIOD_TIME, UTIL_TIMER_ONESHOT, OnRxTimerLedEvent, NULL);
   UTIL_TIMER_Create(&JoinLedTimer, LED_PERIOD_TIME, UTIL_TIMER_PERIODIC, OnJoinTimerLedEvent, NULL);
 
+  if (FLASH_IF_Init(NULL) != FLASH_IF_OK)
+  {
+    Error_Handler();
+  }
+	
   /* USER CODE END LoRaWAN_Init_1 */
 
   UTIL_TIMER_Create(&StopJoinTimer, JOIN_TIME, UTIL_TIMER_ONESHOT, OnStopJoinTimerEvent, NULL);
@@ -480,13 +486,13 @@ void LoRaWAN_Init(void)
 
   /* USER CODE BEGIN LoRaWAN_Init_Last */
 	
-	
+	STS_REBOOT_CONFIG_Init();
 		
 	UTIL_SEQ_RegTask((1 << CFG_SEQ_Task_YunhornSTSEventP1), UTIL_SEQ_RFU, STS_MOTION_SENSOR_WakeUp_Process);
 	UTIL_SEQ_RegTask((1 << CFG_SEQ_Task_YunhornSTSEventP2), UTIL_SEQ_RFU, STS_SENSOR_Function_Test_Process);
 	UTIL_SEQ_RegTask((1 << CFG_SEQ_Task_YunhornSTSEventRFAC), UTIL_SEQ_RFU, STS_YunhornSTSEventRFAC_Process);	
 	
-	STS_REBOOT_CONFIG_Init();
+	
 	UTIL_TIMER_Create(&YunhornSTSHeartBeatTimer, HeartBeatPeriodicity, UTIL_TIMER_ONESHOT, OnYunhornSTSHeartBeatTimerEvent, NULL);	
   UTIL_TIMER_Start(&YunhornSTSHeartBeatTimer);
   /* USER CODE END LoRaWAN_Init_Last */
@@ -678,8 +684,14 @@ void USER_APP_AUTO_RESPONDER_Parse(char *tlv_buf, size_t tlv_buf_size)
 										
 					OnSystemReset();
 				}	else if 	((char)tlv_buf[CFG_CMD3] == 'S') {		// Self Function Testing "YZS"
-					
+										i=0;
+					memset(outbuf,0x30,sizeof(outbuf));
+
 					STS_SENSOR_Function_Test_Process();
+
+					HAL_Delay(5000);
+					i=21;
+					STS_SENSOR_Upload_Message(LORAWAN_USER_APP_CTRL_REPLY_PORT, i, outbuf);
 					
 				} else if 	((char)tlv_buf[CFG_CMD3] == 'C') {		// Self Function Testing "YZC" LORAWAN CLASS A/B/C
 					
@@ -731,7 +743,8 @@ void USER_APP_AUTO_RESPONDER_Parse(char *tlv_buf, size_t tlv_buf_size)
 				
 					uint8_t cfg_in_nvm[YUNHORN_STS_MAX_NVM_CFG_SIZE]={0x0};
 					OnRestoreSTSCFGContextRequest((uint8_t *)cfg_in_nvm);
-					
+					i = 0;
+					memset(outbuf,0x30,sizeof(outbuf));
 					outbuf[i++] = (uint8_t) 'C';
 					outbuf[i++] = (uint8_t) cfg_in_nvm[NVM_MTM1];  //MTM Code
 					outbuf[i++] = (uint8_t) cfg_in_nvm[NVM_MTM2];  //MTM Code
@@ -843,7 +856,7 @@ void USER_APP_AUTO_RESPONDER_Parse(char *tlv_buf, size_t tlv_buf_size)
 			break;
 			}
 		}		// END OF *** BOARD LEVEL CONTROL OR REPORT
-		else if (((char)tlv_buf[CFG_CMD1] == 'P') && (tlv_buf_size >= 4)) //   BEGIN OF PARAMETER CONFIG 
+		else if (((char)tlv_buf[CFG_CMD1] == 'P') && (tlv_buf_size >= 3)) //   BEGIN OF PARAMETER CONFIG 
 		{	
 			 /*  
 				* YUNHORN STS PRODUCT SUBMODULE, MEMS OR SENSOR HEAD LEVEL PARAMETER TUNING SECTION
@@ -926,7 +939,42 @@ void USER_APP_AUTO_RESPONDER_Parse(char *tlv_buf, size_t tlv_buf_size)
 			STS_SENSOR_Upload_Config_Invalid_Message();
 			break;
 		}	
-	} else {
+	} else if  (((char)tlv_buf[CFG_CMD1] == 'A') && ((char)tlv_buf[CFG_CMD2] == 'C') && (tlv_buf_size == (YUNHORN_STS_AC_CODE_SIZE+2)))  // BEGIN OF *** BOARD LEVEL AUTHORIZATION CODE
+		{
+			// 'AC'+ AC_CODE(20bytes)
+
+			for (uint8_t j=0; j< YUNHORN_STS_AC_CODE_SIZE; j++)
+			{
+				sts_ac_code[j] = (uint8_t) tlv_buf[2+j];
+			}
+
+			STS_YUNHORN_RFAC_HANDLE_PROCESS();
+
+			if ((hmac_result.ac_pass == 1U))
+			{
+				for (uint8_t j=0; j < YUNHORN_STS_AC_CODE_SIZE; j++)
+				{
+					sts_cfg_nvm.ac[j] = sts_ac_code[j];
+				}
+
+				sts_service_mask = STS_SERVICE_MASK_L0;
+
+				sts_cfg_nvm.sts_service_mask = sts_service_mask;
+				OnStoreSTSCFGContextRequest();
+
+
+			} else {
+				sts_service_mask = STS_SERVICE_MASK_L2;
+
+			}
+
+			i=0;
+			for (uint8_t j=0; j <(tlv_buf_size) ; j++) {
+				outbuf[i++] = (uint8_t) tlv_buf[j];
+			}
+			STS_SENSOR_Upload_Message(LORAWAN_USER_APP_CTRL_REPLY_PORT, i, (char*)outbuf);
+
+		}	else {
 		STS_SENSOR_Upload_Config_Invalid_Message();
 	}
 
@@ -937,6 +985,13 @@ void STS_SENSOR_Upload_Config_Invalid_Message(void)
 		STS_SENSOR_Upload_Message(LORAWAN_USER_APP_CTRL_REPLY_PORT, 5, "PVXXX");
 }
 
+static void STS_YUNHORN_RFAC_HANDLE_PROCESS(void)
+{
+
+	STS_YunhornAuthenticationCode_Process();
+
+}
+
 void STS_SENSOR_Upload_Message(uint8_t appDataPort, uint8_t appBufferSize, char *appDataBuffer)
 {
 	LmHandlerErrorStatus_t status = LORAMAC_HANDLER_ERROR;