diff --git a/src/views/utilities_screen.py b/src/views/utilities_screen.py
index 7bd316c..f03a502 100644
--- a/src/views/utilities_screen.py
+++ b/src/views/utilities_screen.py
@@ -8,6 +8,7 @@ import kp
 from src.config import UXUI_ASSETS, WINDOW_SIZE, BACKGROUND_COLOR, DongleModelMap
 from src.controllers.device_controller import DeviceController
 from src.services.device_service import check_available_device
+from ..config import FW_DIR
 
 class UtilitiesScreen(QWidget):
     # Signals for navigation
@@ -820,13 +821,55 @@ class UtilitiesScreen(QWidget):
     
     def update_firmware(self):
         """Update firmware for the selected device"""
-        selected_rows = self.device_table.selectedItems()
-        if not selected_rows:
-            QMessageBox.warning(self, "Warning", "Please select a device to update firmware")
-            return
-        
-        # In a real application, you would implement the firmware update logic here
-        QMessageBox.information(self, "Info", "Firmware update functionality will be implemented in a future update")
+        try:
+            # 檢查是否有選擇設備
+            selected_rows = self.device_table.selectionModel().selectedRows()
+            if not selected_rows:
+                QMessageBox.warning(self, "警告", "請選擇要更新韌體的設備")
+                return
+            
+            # 獲取選擇的設備資訊
+            row_index = selected_rows[0].row()
+            device_model = self.device_table.item(row_index, 0).text()  # 設備型號
+            port_id = self.device_table.item(row_index, 1).text()  # Port ID
+            
+            # 顯示進度條
+            self.show_progress(f"正在更新 {device_model} 的韌體...", 0)
+            
+            # 連接設備
+            device_group = kp.core.connect_devices(usb_port_ids=[int(port_id)])
+            
+            # 構建韌體檔案路徑
+            scpu_fw_path = os.path.join(FW_DIR, device_model, "fw_scpu.bin")
+            ncpu_fw_path = os.path.join(FW_DIR, device_model, "fw_ncpu.bin")
+            
+            # 檢查韌體檔案是否存在
+            if not os.path.exists(scpu_fw_path) or not os.path.exists(ncpu_fw_path):
+                self.hide_progress()
+                QMessageBox.critical(self, "錯誤", f"找不到 {device_model} 的韌體檔案")
+                return
+            
+            # 更新進度
+            self.update_progress(30)
+            
+            # 載入韌體
+            kp.core.load_firmware_from_file(
+                device_group=device_group,
+                scpu_fw_path=scpu_fw_path,
+                ncpu_fw_path=ncpu_fw_path
+            )
+            
+            # 更新進度
+            self.update_progress(100)
+            
+            # 顯示成功訊息
+            QMessageBox.information(self, "成功", f"{device_model} 的韌體已成功更新")
+            
+        except Exception as e:
+            self.hide_progress()
+            QMessageBox.critical(self, "錯誤", f"更新韌體時發生錯誤: {str(e)}")
+        finally:
+            self.hide_progress()
     
     def install_drivers(self):
         """Install drivers for all supported Kneron devices"""