AT&T Wi-Fi gateway (row of labelled lights) lights: what each colour means
15 light states of the AT&T Wi-Fi gateway (row of labelled lights), from AT&T’s own page Gateway status lights. It has a row of labelled lights: Power, Battery, Ethernet, Wi-Fi, Phone, Broadband and Service. AT&T’s article gives no model number. It fits gateways with Power, Battery, Broadband and Service lights on the front.
Power solid green
The power is on.
AT&T’s page gives no step for this light.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Power flashing green
The gateway is starting.
AT&T’s page gives no step for this light.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Power solid amber
A software update is in progress.
What AT&T says to do
- Don’t unplug the power or remove the battery until the update is complete.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Power solid red
The gateway or its power supply may be malfunctioning.
AT&T’s page gives no step for this light.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Battery solid green
The battery is installed, but the gateway isn’t using battery power.
AT&T’s page gives no step for this light.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Battery flashing green
The battery is charging.
AT&T’s page gives no step for this light.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Battery flashing amber
The gateway is running on battery power.
AT&T’s page gives no step for this light.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Broadband solid green
The gateway is connected to AT&T’s network.
AT&T’s page gives no step for this light.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Broadband flashing green
The gateway is trying to connect to AT&T’s network.
AT&T’s page gives no step for this light.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Broadband flashing green and red
The gateway has tried to connect to AT&T’s network for more than 3 minutes.
AT&T’s page gives no step for this light.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Broadband flashing red
The gateway can’t connect to AT&T’s network.
AT&T’s page gives no step for this light.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Service solid green
The gateway has an IP address from AT&T’s network; the broadband connection is up and active.
AT&T’s page gives no step for this light.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Service fast flashing green
The gateway is trying to obtain an IP address.
AT&T’s page gives no step for this light.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Service slow flashing green
AT&T’s network isn’t responding, the gateway is configured incorrectly, or there’s an authentication failure.
AT&T’s page gives no step for this light.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Service solid red
Internet service authentication has failed.
AT&T’s page gives no step for this light.
Source: Gateway status lights (AT&T), checked 2026-09-29.
Other AT&T hubs
The same colour can mean something else on another AT&T hub, so check the name on your hub’s label.
Sources
AT&T’s own pages only, read on the date shown. Nothing here comes from third-party router-light sites.
- AT&T: Gateway status lights — AT&T Wi-Fi gateways with Power, Battery, Broadband and Service lights (the article names no model; last updated March 13, 2023). www.att.com Checked 2026-09-29.