BT hub lights: what each colour means, by hub
BT publishes one help page covering every hub it has supplied, from the Home Hub 3 to the Smart Hub 3. Newer hubs have a single light that changes colour; the Home Hub 4 and 5 have a power light plus broadband and wireless icons that light up only when something is wrong.
Which BT hub do you have?
The hub’s name is on the label on the hub itself. Pick it to see every light it has.
- BT Smart Hub 3one status light 7 states
- BT Smart Hub 2one status light, plus a light in the WPS button 10 states
- BT Smart Hub and Ultrafast Smart Hubone status light, plus a WPS button light 9 states
- BT Home Hub 4 and Home Hub 5a central power light, and broadband and wireless icons in the silver bar that light only for a problem or a warning 10 states
- BT Home Hub 3one status light 7 states
One light, different meanings on BT hubs
Where BT gives the same main light a different meaning on different hubs. Knowing the colour alone is not enough.
| You see | What BT says, by hub |
|---|---|
| Steady blue |
|
| No light |
|
| Flashing orange or amber |
|
| Steady orange or amber |
|
| Steady green |
|
| Steady red |
|
| Flashing blue |
|
| Flashing purple |
|
Sources
BT’s own pages only, read on the date shown.
- BT: What do the lights on my BT Hub or Complete Wi-Fi device mean? — BT Smart Hub 3, Smart Hub 2, Smart Hub and Ultrafast Smart Hub, Home Hub 4 and 5, Home Hub 3 (one page, a section per hub). www.bt.com Checked 2026-09-29.