1. First, you need to connect your watch to a Wi-Fi or Bluetooth network, find the setting options in the watch's main menu, and then click Enter.

2. Find the option of system update or software update in the setting menu, click Enter, and the watch will automatically check the latest updated version.

3. Click the Install button, and the watch will be automatically installed and updated. Click the restart button, and the watch will automatically restart and complete the update.