diff --git a/main/application.cc b/main/application.cc
index f01c7546..92c90381 100644
--- a/main/application.cc
+++ b/main/application.cc
@@ -15,7 +15,6 @@
 #include <cJSON.h>
 #include <driver/gpio.h>
 #include <arpa/inet.h>
-#include <esp_app_desc.h>
 
 #define TAG "Application"
 
@@ -63,11 +62,6 @@ Application::~Application() {
 }
 
 void Application::CheckNewVersion() {
-    auto& board = Board::GetInstance();
-    auto display = board.GetDisplay();
-    // Check if there is a new firmware version available
-    ota_.SetPostData(board.GetJson());
-
     const int MAX_RETRY = 10;
     int retry_count = 0;
 
@@ -450,13 +444,6 @@ void Application::Start() {
     protocol_->Start();
 
     // Check for new firmware version or get the MQTT broker address
-    ota_.SetCheckVersionUrl(CONFIG_OTA_VERSION_URL);
-    ota_.SetHeader("Device-Id", SystemInfo::GetMacAddress().c_str());
-    ota_.SetHeader("Client-Id", board.GetUuid());
-    ota_.SetHeader("Accept-Language", Lang::CODE);
-    auto app_desc = esp_app_get_description();
-    ota_.SetHeader("User-Agent", std::string(BOARD_NAME "/") + app_desc->version);
-
     xTaskCreate([](void* arg) {
         Application* app = (Application*)arg;
         app->CheckNewVersion();
diff --git a/main/ota.cc b/main/ota.cc
index d6fa8496..8d663c1e 100644
--- a/main/ota.cc
+++ b/main/ota.cc
@@ -2,6 +2,7 @@
 #include "system_info.h"
 #include "board.h"
 #include "settings.h"
+#include "assets/lang_config.h"
 
 #include <cJSON.h>
 #include <esp_log.h>
@@ -18,6 +19,7 @@
 
 
 Ota::Ota() {
+    SetCheckVersionUrl(CONFIG_OTA_VERSION_URL);
 }
 
 Ota::~Ota() {
@@ -31,12 +33,12 @@ void Ota::SetHeader(const std::string& key, const std::string& value) {
     headers_[key] = value;
 }
 
-void Ota::SetPostData(const std::string& post_data) {
-    post_data_ = post_data;
-}
-
 bool Ota::CheckVersion() {
-    current_version_ = esp_app_get_description()->version;
+    auto& board = Board::GetInstance();
+    auto app_desc = esp_app_get_description();
+
+    // Check if there is a new firmware version available
+    current_version_ = app_desc->version;
     ESP_LOGI(TAG, "Current version: %s", current_version_.c_str());
 
     if (check_version_url_.length() < 10) {
@@ -44,14 +46,21 @@ bool Ota::CheckVersion() {
         return false;
     }
 
-    auto http = Board::GetInstance().CreateHttp();
+    auto http = board.CreateHttp();
     for (const auto& header : headers_) {
         http->SetHeader(header.first, header.second);
     }
 
+    http->SetHeader("Ota-Version", "2");
+    http->SetHeader("Device-Id", SystemInfo::GetMacAddress().c_str());
+    http->SetHeader("Client-Id", board.GetUuid());
+    http->SetHeader("User-Agent", std::string(BOARD_NAME "/") + app_desc->version);
+    http->SetHeader("Accept-Language", Lang::CODE);
     http->SetHeader("Content-Type", "application/json");
-    std::string method = post_data_.length() > 0 ? "POST" : "GET";
-    if (!http->Open(method, check_version_url_, post_data_)) {
+
+    std::string post_data = board.GetJson();
+    std::string method = post_data.length() > 0 ? "POST" : "GET";
+    if (!http->Open(method, check_version_url_, post_data)) {
         ESP_LOGE(TAG, "Failed to open HTTP connection");
         delete http;
         return false;
diff --git a/main/ota.h b/main/ota.h
index 7f7507ae..acf21d98 100644
--- a/main/ota.h
+++ b/main/ota.h
@@ -12,7 +12,6 @@ public:
 
     void SetCheckVersionUrl(std::string check_version_url);
     void SetHeader(const std::string& key, const std::string& value);
-    void SetPostData(const std::string& post_data);
     bool CheckVersion();
     bool HasNewVersion() { return has_new_version_; }
     bool HasMqttConfig() { return has_mqtt_config_; }
@@ -37,7 +36,6 @@ private:
     std::string current_version_;
     std::string firmware_version_;
     std::string firmware_url_;
-    std::string post_data_;
     std::map<std::string, std::string> headers_;
 
     void Upgrade(const std::string& firmware_url);