1. "POWER" LED
When the "POWER" LED is stable, your modem is turned on.
2. "INTERNET" LED
When the "INTERNET" LED is stable, an internet connection is established.
When the "INTERNET" LED is blinking white, you have no internet connection or a connection is being established.
When the "INTERNET" LED is blinking red, there's a connection error.
3. "PHONE" LED
When the "PHONE" LED is stable, a connection to the phone is established.
When the "PHONE"-LED is blinking white, you have an ongoing call.
When the "PHONE" LED is blinking red, there's a connection error to the phone.
4. "MOBILE" LED
When the "MOBILE" LED is stable, you have a 3G or 4G connection.
5. "WIFI" LED
When the "WIFI" LED is stable, you have a Wi-Fi connection.
When the "WIFI" LED is blinking white, a connection via WPS is being established.