LED	State	Indicates
Power	Off	The AirCard USB Modem is not inserted.
	Solid Blue	The power is on, the AirCard USB Modem is working normally.
	Blinking Blue	The firmware is being updated. Do not remove the AirCard USB Modem from the computer.
	Blinking Amber	The AirCard USB Modem is searching for service (initializing).
	Solid Amber	Error — either the AirCard USB Modem is having a problem initializing (searching for service) or is offline because of a failure. Contact your service provider.
Data	Off	The modem is unable to detect 2G or 3G service.
	Blinking Amber	The modem has detected a 2G network (EDGE, GPRS, GSM) and is ready to connect.
	Solid Amber	The modem is connected to a 2G network and is able to send and receive data.
	Blinking Blue	The modem has detected a 3G network (UMTS, HSPA, HSPA+, DC-HSPA+) and is ready to connect.
	Solid Blue	The AirCard USB Modem is connected to a 3G network and can send and receive data.
	Blinking Green	The modem has detected an LTE network and is ready to connect.
	Solid Green	The modem is connected to an LTE network and is able to send and receive data.