User guide
Indicator LED
The front of the FX3100 has an indicator LED. It changes colors and either blinks or glows solid to communicate current states for the device.
| LED color | Operation | Meaning | |
|---|---|---|---|
| Blue |  | Solid
Blinking | Strong 5G connection (3 – 5 bars)
Weak 5G connection (1 – 2 bars) |
| Green |  | Solid
Blinking | Strong 4G connection (3 – 5 bars)
Weak 4G connection (1 – 2 bars) |
| Yellow |  | Solid | Software update is in progress |
| Red |  | Solid
Blinking | Router is booting up
No service, SIM error, or locked SIM card |
| White |  | Blinking | Factory reset |