请确保您正在使用最新版的Chrome浏览器，并将设备插入电脑的USB接口。

Please ensure you are using the latest version of the Chrome browser and have connected the device to your computer's USB port.

1. 第一步：点击 "1.Start"。
2. 第二步：点击 "2.Connect"，在弹出窗口中选择相应设备，然后点击 "连接"。PS：如果设备未被检测到，请尝试更换不同的USB接口或连接线。
3. 第三步：点击 "3.Upgrade"，等待完成后会弹出窗口提示升级完成。
4. 第四步：点击 "4.Reset Device"，重启设备。
5. 第五步：扫码配网，配对到家庭内～（注意：使用此在线升级后设备上的配对码和二维码，数字配对码，后台码均会产生改变）非必要请不要升级！。
6. 配对码：2020-2021

视频教程

1. Step 1: Click on "1. Start".
2. Step 2: Click on "2. Connect", select the corresponding device in the pop-up window, then click "Connect".PS：If the device isn't detected, please try using a different USB port or cable for connection.
3. Step 3: Click on "3. Upgrade", wait for completion, a pop-up window will appear indicating that the upgrade is completed.
4. Step 4: Click “4. Reset Device” to restart the device..
5. Step 5: Sweep the code to match the network and pair it to the family ~ (Note: the pairing code and QR code, digital pairing code, and backstage code on the device will be changed after using this online upgrade) Please do not upgrade if it is not necessary!
6. manualcode：2020-2021