Guide to the USB modem LEDs

The USB modem LEDs show different settings and events.

  • 1
    The LED
    • When the LED turns solid blue, you have a 4G network connection.
    • When the LED flashes blue, you have a 4G network connection and data is being transferred.
    • When the LED turns solid green, you have a 3G network connection.
    • When the LED flashes green, you have a 3G network connection and data is being transferred.
    • When the LED turns purple, your USB modem is updating the firmware. Leave your USB modem in the USB port of the turned on device until the update is complete.
    • When the LED turns red, a SIM is either not inserted or no network connection has been established.