How to change the WiFi working channel on the ER605 to avoid interference?

How to change the WiFi working channel on the ER605 to avoid interference?

1. Log in to the web interface (192.168.2.1). 2. Go to [Wi-Fi > SSIDs] and click "Edit" for the target SSID (2.4G or 5G). 3. Select a channel from the "Band(Channel)" dropdown (2.4G: 1-13; 5G: 149+). 4. Click "Save" to apply the change.