diff --git a/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h b/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h
index 758e40df8..9dda4649b 100755
--- a/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h
+++ b/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h
@@ -979,6 +979,8 @@
 #endif
 #define SF_NO_SD_SEND				ENABLE
 #define SF_SD_LOG_INFO_FILENAME        "/tmp/SD.txt"
+
+#define SF_4G_MODE_TEST                 DISABLE
 //////////////////////sf end///////////////////////////////
 
 /*******************************************************************************************
diff --git a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UICfgDefault.h b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UICfgDefault.h
index b487b056f..649e12777 100755
--- a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UICfgDefault.h
+++ b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UICfgDefault.h
@@ -198,14 +198,21 @@
 #else
 #define DEFAULT_BOOT_WORK_MODE    SF_CAM_MODE_PHOTO//
 #define DEFAULT_NET_WORK_NEED_SEARCH    SF_ON
-#define DEFAULT_AUTO_OFF_SWITCH   SF_ON
 #define DEFAULT_PIR_SWITCH    SF_ON
 #define DEFAULT_PIR_SENSITIVITY    SF_PIR_SENSITIVITY_7
 #define DEFAULT_TIMELAPSE_SWITCH    SF_OFF
 #if SF_BATTERY_TEST == ENABLE
 #define DEFAULT_GPRS_SWITCH    SF_OFF
 #else
+#if SF_4G_MODE_TEST == ENABLE
+#define DEFAULT_GPRS_SWITCH    SF_OFF
+#define DEFAULT_GPRS_MODE    SF_REMOTE_CONTROL_REAL_TIME
+#define DEFAULT_AUTO_OFF_SWITCH   SF_OFF
+#else
 #define DEFAULT_GPRS_SWITCH    SF_ON
+#define DEFAULT_GPRS_MODE    SF_REMOTE_CONTROL_OFF
+#define DEFAULT_AUTO_OFF_SWITCH   SF_ON
+#endif
 #endif
 #endif
 
@@ -217,7 +224,6 @@
 
 #define DEFAULT_SEND_TYPE    SF_SEND_TIMELY
 #define DEFAULT_PIR_DELAY_SWITCH    SF_OFF
-#define DEFAULT_GPRS_MODE    SF_REMOTE_CONTROL_OFF
 #define DEFAULT_DAILY_REPORT_SWITCH    SF_ON
 #define DEFAULT_GPS_SWITCH    SF_ON
 //#if defined(_MODEL_565_HUNTING_EVB_LINUX_4G_68CS_)
diff --git a/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c b/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
index 128eb6cd4..7690d8305 100755
--- a/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
+++ b/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
@@ -646,7 +646,10 @@ unsigned char sf_mcu_reg_set(MCUParam_t attrId, unsigned char val)
         {
             //sf_pdp_flg_set(0);
         }
-        
+        #if SF_4G_MODE_TEST == ENABLE
+        temp |= 0x40; /*bit6=1,instant mode*/
+        temp |= 0x80;
+        #endif
         mcuData[i++] = temp;
 
         mcuReg[i] = DIGITAL_PIR_SENSITIVITY;
diff --git a/rtos/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h b/rtos/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h
index fe543acaa..04237bb41 100755
--- a/rtos/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h
+++ b/rtos/code/application/source/cardv/SrcCode/PrjCfg_HUNTING_S550.h
@@ -986,6 +986,8 @@
 #define ANR_FUNC						ENABLE
 #endif
 #define SF_NO_SD_SEND				ENABLE
+#define SF_4G_MODE_TEST                 DISABLE
+
 ////////////////////sf end////////////////////////////////
 
 
diff --git a/rtos/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UICfgDefault.h b/rtos/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UICfgDefault.h
index 59f1a5eec..45f88dc89 100644
--- a/rtos/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UICfgDefault.h
+++ b/rtos/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UICfgDefault.h
@@ -198,14 +198,22 @@
 #else
 #define DEFAULT_BOOT_WORK_MODE    SF_CAM_MODE_PHOTO//
 #define DEFAULT_NET_WORK_NEED_SEARCH    SF_ON
-#define DEFAULT_AUTO_OFF_SWITCH   SF_ON
 #define DEFAULT_PIR_SWITCH    SF_ON
 #define DEFAULT_PIR_SENSITIVITY    SF_PIR_SENSITIVITY_7
 #define DEFAULT_TIMELAPSE_SWITCH    SF_OFF
 #if SF_BATTERY_TEST == ENABLE
 #define DEFAULT_GPRS_SWITCH    SF_OFF
 #else
+#if SF_4G_MODE_TEST == ENABLE
+#define DEFAULT_GPRS_SWITCH    SF_OFF
+#define DEFAULT_GPRS_MODE    SF_REMOTE_CONTROL_REAL_TIME
+#define DEFAULT_AUTO_OFF_SWITCH   SF_OFF
+#else
 #define DEFAULT_GPRS_SWITCH    SF_ON
+#define DEFAULT_GPRS_MODE    SF_REMOTE_CONTROL_OFF
+#define DEFAULT_AUTO_OFF_SWITCH   SF_ON
+#endif
+
 #endif
 #endif
 
@@ -217,7 +225,6 @@
 
 #define DEFAULT_SEND_TYPE    SF_SEND_TIMELY
 #define DEFAULT_PIR_DELAY_SWITCH    SF_OFF
-#define DEFAULT_GPRS_MODE    SF_REMOTE_CONTROL_OFF
 #define DEFAULT_DAILY_REPORT_SWITCH    SF_ON
 #define DEFAULT_GPS_SWITCH    SF_ON
 //#if defined(_MODEL_565_HUNTING_EVB_LINUX_4G_68CS_)