diff --git a/components/bootloader_support/include_priv/bootloader_config.h b/components/bootloader_support/include_priv/bootloader_config.h
index dc5c6a6b..78160341 100644
--- a/components/bootloader_support/include_priv/bootloader_config.h
+++ b/components/bootloader_support/include_priv/bootloader_config.h
@@ -22,6 +22,7 @@ extern "C"
 {
 #endif
 
+#include "sdkconfig.h"
 #include "esp_flash_data_types.h"
 
 #define SPI_SEC_SIZE 0x1000
@@ -34,6 +35,9 @@ typedef struct {
     esp_partition_pos_t ota_info;
     esp_partition_pos_t factory;
     esp_partition_pos_t test;
+#ifdef CONFIG_LOAD_OLD_RF_PARAMETER
+    esp_partition_pos_t rf;
+#endif
     esp_partition_pos_t ota[MAX_OTA_SLOTS];
     uint32_t app_count;
     uint32_t selected_subtype;
diff --git a/components/bootloader_support/src/bootloader_utility.c b/components/bootloader_support/src/bootloader_utility.c
index 89eef476..d0631844 100644
--- a/components/bootloader_support/src/bootloader_utility.c
+++ b/components/bootloader_support/src/bootloader_utility.c
@@ -590,6 +590,9 @@ bool bootloader_utility_load_partition_table(bootloader_state_t* bs)
                 partition_usage = "OTA data";
                 break;
             case PART_SUBTYPE_DATA_RF:
+#ifdef CONFIG_LOAD_OLD_RF_PARAMETER
+                bs->rf = partition->pos;
+#endif
                 partition_usage = "RF data";
                 break;
             case PART_SUBTYPE_DATA_WIFI:
diff --git a/components/esp8266/Kconfig b/components/esp8266/Kconfig
index ad263a31..67bdcdb4 100644
--- a/components/esp8266/Kconfig
+++ b/components/esp8266/Kconfig
@@ -277,7 +277,7 @@ config INIT_OS_BEFORE_START
         FreeRTOS need not do this.
 
 config ESP8266_OTA_FROM_OLD
-    bool "(**Expected**)ESP8266 update from old SDK by OTA"
+    bool "ESP8266 update from old SDK by OTA"
     default n
     depends on IDF_TARGET_ESP8266
     select ESP8266_BOOT_COPY_APP if ESPTOOLPY_FLASHSIZE_1MB
@@ -289,8 +289,21 @@ config ESP8266_OTA_FROM_OLD
 
         The old RTOS SDK(before V3.0) or NonOS SDK can download the firmware to its partition and run it as it self's application.
 
+config LOAD_OLD_RF_PARAMETER
+    bool "Load old RF Parameters"
+    default n
+    depends on ESP8266_OTA_FROM_OLD
+    select ESP_PHY_INIT_DATA_IN_PARTITION
+    help
+        The function is not released.
+
+        Enable this option, after updating from old SDK to new SDK, bootloader will copy RF
+        parameters from old SDK partition to new SDK partition.
+
+        Then application can read the RF parameters from new partition directly.
+
 config ESP8266_BOOT_COPY_APP
-    bool "(**Expected**)Boot copy app"
+    bool "Boot copy app"
     default n
     help
         The function is not released.
diff --git a/components/esp8266/Makefile.projbuild b/components/esp8266/Makefile.projbuild
index f71f4a27..f8de9d8d 100644
--- a/components/esp8266/Makefile.projbuild
+++ b/components/esp8266/Makefile.projbuild
@@ -40,9 +40,9 @@ ESPTOOL_ALL_FLASH_ARGS += $(PHY_DATA_OFFSET) $(PHY_INIT_DATA_BIN)
 
 ESP8266_COMPONENT_PATH := $(COMPONENT_PATH)
 
-$(PHY_INIT_DATA_OBJ): $(ESP8266_COMPONENT_PATH)/source/phy_init_data.h $(BUILD_DIR_BASE)/include/sdkconfig.h
+$(PHY_INIT_DATA_OBJ): $(ESP8266_COMPONENT_PATH)/include/internal/phy_init_data.h $(BUILD_DIR_BASE)/include/sdkconfig.h
 	$(summary) CC $(notdir $@)
-	printf "#include \"source/phy_init_data.h\"\n" | $(CC) -I $(BUILD_DIR_BASE)/include -I $(ESP8266_COMPONENT_PATH) -I $(ESP8266_COMPONENT_PATH)/include -c -o $@ -xc -
+	printf "#include \"internal/phy_init_data.h\"\n" | $(CC) -I $(BUILD_DIR_BASE)/include -I $(ESP8266_COMPONENT_PATH) -I $(ESP8266_COMPONENT_PATH)/include -c -o $@ -xc -
 
 $(PHY_INIT_DATA_BIN): $(PHY_INIT_DATA_OBJ)
 	$(summary) BIN $(notdir $@)
@@ -120,7 +120,7 @@ endif
 PYTHON ?= $(call dequote,$(CONFIG_PYTHON))
 
 ifdef CONFIG_ESP8266_OTA_FROM_OLD
-$(OTA_V2_TO_V3_BIN): all_binaries
+$(OTA_V2_TO_V3_BIN): all
 	@$(PYTHON) $(IDF_PATH)/tools/pack_fw.py --output $(OTA_V2_TO_V3_BIN) --app $(PROJECT_NAME).bin  pack3 $(ESPTOOL_ALL_FLASH_ARGS)
 	@echo [GEN] $(OTA_V2_TO_V3_BIN)
 endif
diff --git a/components/esp8266/source/phy_init_data.h b/components/esp8266/include/internal/phy_init_data.h
similarity index 100%
rename from components/esp8266/source/phy_init_data.h
rename to components/esp8266/include/internal/phy_init_data.h
diff --git a/components/esp8266/source/phy_init.c b/components/esp8266/source/phy_init.c
index ec26e8bf..7f7e9437 100644
--- a/components/esp8266/source/phy_init.c
+++ b/components/esp8266/source/phy_init.c
@@ -27,7 +27,7 @@
 #include "nvs_flash.h"
 #include "sdkconfig.h"
 
-#include "phy_init_data.h"
+#include "internal/phy_init_data.h"
 #include "phy.h"
 
 static const char *TAG = "phy_init";
diff --git a/components/spi_flash/port/port.c b/components/spi_flash/port/port.c
index 527e60c6..13816c0d 100644
--- a/components/spi_flash/port/port.c
+++ b/components/spi_flash/port/port.c
@@ -26,6 +26,7 @@
 #include "esp_libc.h"
 #include "esp8266/rom_functions.h"
 #include "esp8266/eagle_soc.h"
+#include "internal/phy_init_data.h"
 
 #define PARTITION_DATA_OFFSET   (s_v2_flash_bin_size / 2)
 
@@ -65,6 +66,7 @@ typedef union s_boot_param {
 static const char *TAG = "partition_port";
 static uint32_t s_partition_offset;
 static ROM_FLASH_BUF_DECLARE(s_cache_buf, SPI_FLASH_SEC_SIZE);
+static ROM_FLASH_BUF_DECLARE(check_buf, SPI_FLASH_SEC_SIZE);
 static uint32_t s_v2_flash_bin_size;
 static uint32_t s_v2_flash_size;
 static sys_param_t s_sys_param;
@@ -109,12 +111,12 @@ static const uint32_t s_v2_flash_bin_map_table[] = {
 
 static const uint32_t s_v2_flash_bin_size_map_size = sizeof(s_v2_flash_bin_map_table) / sizeof(s_v2_flash_bin_map_table[0]);
 
-static inline void esp_hw_reset(void)
+static void esp_hw_reset(uint32_t t, int block)
 {
     CLEAR_WDT_REG_MASK(WDT_CTL_ADDRESS, BIT0);
 
-    WDT_REG_WRITE(WDT_OP_ADDRESS, 8);
-    WDT_REG_WRITE(WDT_OP_ND_ADDRESS, 8);
+    WDT_REG_WRITE(WDT_OP_ADDRESS, t);
+    WDT_REG_WRITE(WDT_OP_ND_ADDRESS, t);
 
     SET_PERI_REG_BITS(PERIPHS_WDT_BASEADDR + WDT_CTL_ADDRESS, WDT_CTL_RSTLEN_MASK, 7 << WDT_CTL_RSTLEN_LSB, 0);
     // interrupt then reset
@@ -122,10 +124,18 @@ static inline void esp_hw_reset(void)
     // start task watch dog1
     SET_PERI_REG_BITS(PERIPHS_WDT_BASEADDR + WDT_CTL_ADDRESS, WDT_CTL_EN_MASK, 1 << WDT_CTL_EN_LSB, 0);
 
-    while (1);
+    WDT_FEED();
+
+    if (block)
+        while (1);
 }
 
-static inline int spi_flash_read_data(uint32_t addr, void *buf, size_t n)
+static void esp_hw_feed_wdt(void)
+{
+    WDT_FEED();
+}
+
+static int spi_flash_read_data(uint32_t addr, void *buf, size_t n)
 {
     int ret;
 
@@ -138,10 +148,12 @@ static inline int spi_flash_read_data(uint32_t addr, void *buf, size_t n)
 
     ret = SPI_read_data(&s_flash_chip, addr, buf, n);
 
+    esp_hw_feed_wdt();
+
     return ret;
 }
 
-static inline int spi_flash_write_data(uint32_t addr, const void *buf, uint32_t n)
+static int spi_flash_write_data(uint32_t addr, const void *buf, uint32_t n)
 {
     int ret;
 
@@ -154,10 +166,12 @@ static inline int spi_flash_write_data(uint32_t addr, const void *buf, uint32_t
 
     ret = SPIWrite(addr, (void *)buf, n);
 
+    esp_hw_feed_wdt();
+
     return ret;
 }
 
-static inline int spi_flash_erase(uint32_t addr)
+static int spi_flash_erase(uint32_t addr)
 {
     int ret;
 
@@ -165,10 +179,12 @@ static inline int spi_flash_erase(uint32_t addr)
 
     ret = SPIEraseSector(addr / SPI_FLASH_SEC_SIZE);
 
+    esp_hw_feed_wdt();
+
     return ret;
 }
 
-static inline int get_v2_flash_map_size(void)
+static int get_v2_flash_map_size(void)
 {
     int ret;
     esp_image_header_t header;
@@ -197,7 +213,7 @@ static inline int get_v2_flash_map_size(void)
     return 0;
 }
 
-static inline uint32_t esp_get_updated_partition_table_addr(void)
+static uint32_t esp_get_updated_partition_table_addr(void)
 {
     int ret;
     size_t offset;
@@ -259,10 +275,9 @@ static inline uint32_t esp_get_updated_partition_table_addr(void)
     return  s_partition_offset;
 }
 
-static inline int spi_flash_write_data_safe(uint32_t addr, const void *buf, size_t n)
+static int spi_flash_write_data_safe(uint32_t addr, const void *buf, size_t n)
 {
-    int ret;
-    static ROM_FLASH_BUF_DECLARE(check_buf, SPI_FLASH_SEC_SIZE);
+    int ret; 
 
     ret = spi_flash_erase(addr);
     if (ret) {
@@ -313,7 +328,79 @@ static int esp_flash_sector_copy(uint32_t dest, uint32_t src, uint32_t total_siz
     return 0;
 }
 
-static inline int esp_set_v2boot_app1(void)
+#ifdef CONFIG_LOAD_OLD_RF_PARAMETER
+
+static bool esp_rf_param_need_unpack(size_t rf_dest, size_t rf_src, size_t rf_size)
+{
+    bool ret;
+    const uint32_t rf_magic_size = sizeof(phy_init_magic_pre);
+    const uint32_t rf_new_size = rf_size + rf_magic_size * 2;
+
+    ret = spi_flash_read_data(rf_dest, check_buf, rf_new_size);
+    if (ret) {
+        ESP_LOGE(TAG, "Fail to read RF parameters from 0x%x", rf_src);
+        return -1;
+    }
+
+    ret = spi_flash_read_data(rf_src, ((uint8_t *)s_cache_buf) + rf_magic_size, rf_size);
+    if (ret) {
+        ESP_LOGE(TAG, "Fail to read RF parameters from 0x%x", rf_src);
+        return -1;
+    }
+    memcpy(s_cache_buf, phy_init_magic_pre, rf_magic_size);
+    memcpy(((uint8_t *)s_cache_buf) + rf_magic_size + rf_size, phy_init_magic_pre, rf_magic_size);
+
+    if (!memcmp(check_buf, s_cache_buf, rf_new_size))
+        ret = false;
+    else
+        ret = true;
+
+    return ret;
+}
+
+static int esp_unpack_old_rf_param(size_t rf_dest, size_t rf_src, size_t rf_size)
+{
+    int ret;
+    const uint32_t rf_magic_size = sizeof(phy_init_magic_pre);
+    const uint32_t rf_new_size = rf_size + rf_magic_size * 2;
+
+    ret = spi_flash_erase(rf_dest);
+    if (ret) {
+        ESP_LOGE(TAG, "Fail to erase new RF parameters from 0x%x", rf_src);
+        return -1;
+    }
+
+    ret = spi_flash_read_data(rf_src, ((uint8_t *)s_cache_buf) + rf_magic_size, rf_size);
+    if (ret) {
+        ESP_LOGE(TAG, "Fail to read old RF parameters from 0x%x", rf_src);
+        return -1;
+    }
+    memcpy(s_cache_buf, phy_init_magic_pre, rf_magic_size);
+    memcpy(((uint8_t *)s_cache_buf) + rf_magic_size + rf_size, phy_init_magic_pre, rf_magic_size);
+
+    ret = spi_flash_write_data(rf_dest, s_cache_buf , rf_new_size);
+    if (ret) {
+        ESP_LOGE(TAG, "Fail to write new RF parameters from 0x%x", rf_src);
+        return -1;
+    }
+
+    ret = spi_flash_read_data(rf_dest, check_buf, rf_new_size);
+    if (ret) {
+        ESP_LOGE(TAG, "Fail to read new RF parameters from 0x%x", rf_src);
+        return -1;
+    }
+
+    if (memcmp(check_buf, s_cache_buf, rf_new_size)) {
+        ESP_LOGE(TAG, "Check RF parameters error");
+        return -1;
+    }
+
+    return 0;
+}
+
+#endif
+
+static int esp_set_v2boot_app1(void)
 {
     int ret;
     const size_t offset = s_sys_param.flag ? 1 : 0;
@@ -360,7 +447,7 @@ static inline int esp_set_v2boot_app1(void)
     return 0;
 }
 
-static inline int esp_sdk_update_from_v2(void)
+static int esp_sdk_update_from_v2(void)
 {
     const int segment_cnt = 3;
     const size_t v2_max_size = 4096;
@@ -397,6 +484,8 @@ int esp_patition_table_init_location(void)
 {
     uint32_t addr;
 
+    esp_hw_reset(14, 0);
+
     if (!esp_sdk_update_from_v2())
         return 0;
 
@@ -433,6 +522,7 @@ int esp_patition_copy_ota1_to_ota0(const void *partition_info)
 int esp_patition_table_init_data(void *partition_info)
 {
     int ret;
+    int reboot = 0;
     const uint32_t boot_base = 0x1000;
     const bootloader_state_t *bs = (const bootloader_state_t *)partition_info;
     const uint32_t boot_size = bs->ota[0].offset + bs->ota[0].size - boot_base;
@@ -440,29 +530,52 @@ int esp_patition_table_init_data(void *partition_info)
     if (!esp_sdk_update_from_v2())
         return 0;
 
-    if (esp_get_updated_partition_table_addr() == CONFIG_PARTITION_TABLE_OFFSET)
-        return 0;
+    if (esp_get_updated_partition_table_addr() != CONFIG_PARTITION_TABLE_OFFSET) {
+        ESP_LOGD(TAG, "Copy firmware1 from %d total %d", boot_base + PARTITION_DATA_OFFSET, boot_size);
 
-    ESP_LOGD(TAG, "Copy firmware1 from %d total %d", boot_base + PARTITION_DATA_OFFSET, boot_size);
+        ESP_LOGI(TAG, "Start unpacking V3 firmware ...");
 
-    ESP_LOGI(TAG, "Start unpacking V3 firmware ...");
+        ret = esp_flash_sector_copy(boot_base, boot_base + PARTITION_DATA_OFFSET, boot_size);
+        if (ret) {
+            ESP_LOGE(TAG, "Fail to copy V3 firmware from 0x%x to 0x%x total %d", boot_base + PARTITION_DATA_OFFSET,
+                            boot_base, boot_size);
+            return -1;
+        }
 
-    ret = esp_flash_sector_copy(boot_base, boot_base + PARTITION_DATA_OFFSET, boot_size);
-    if (ret) {
-        ESP_LOGE(TAG, "Fail to copy V3 firmware from 0x%x to 0x%x total %d", boot_base + PARTITION_DATA_OFFSET,
-                        boot_base, boot_size);
-        return -1;
+        ret = esp_set_v2boot_app1();
+        if (ret) {
+            ESP_LOGE(TAG, "Fail to set V2 app1 default");
+            return -1;        
+        }
+
+        ESP_LOGI(TAG, "Pack V3 firmware successfully and start to reboot");
+
+        reboot = 1;
     }
 
-    ret = esp_set_v2boot_app1();
-    if (ret) {
-        ESP_LOGE(TAG, "Fail to set V2 app1 default");
-        return -1;        
+#ifdef CONFIG_LOAD_OLD_RF_PARAMETER
+    const uint32_t rf_dest = bs->rf.offset;
+    const uint32_t rf_src = s_v2_flash_bin_size - 4 * 4096;
+    const uint32_t rf_size = 128;
+
+    if (esp_rf_param_need_unpack(rf_dest, rf_src, rf_size)) {
+
+        ESP_LOGI(TAG, "Start unpacking RF parameters from 0x%x to 0x%x total size 0x%x ...", rf_src, rf_dest, rf_size);
+
+        ret = esp_unpack_old_rf_param(rf_dest, rf_src, rf_size);
+        if (ret) {
+            ESP_LOGE(TAG, "Fail to copy RF parameters from 0x%x to 0x%x total %d", rf_src, rf_dest, rf_size);
+            return -1;
+        }
+
+        reboot = 1;
+    } else {
+        ESP_LOGD(TAG, "RF parameters is same");
     }
+#endif
 
-    ESP_LOGI(TAG, "Pack V3 firmware successfully and start to reboot");
-
-    esp_hw_reset();
+    if (reboot)
+        esp_hw_reset(4, 1);
 
     return 0;
 }