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Reset NBN HFC Device

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Reset NBN HFC Device

Reset the NBNco Arris CM8200 box:

You will need a paperclip or similar size rigid item to insert into the reset pinhole.

  • Next, on the Back of the Black NBN Modem, you should see a reset button the unit looks like this:


  • Using a paper clip push the reset button on the white NBN Modem for a full 60 seconds (pictured above) and it will cause a factory reset.

If not performed correctly you will find that you will return to your previous state.


Reset the NBNco Arris CM820 box (Pre-2017):

You will need a paperclip or similar size rigid item to insert into the reset pinhole.

To reset the NBNco Arris CM820 to its default settings, you have to do the following steps:


  • Turn on router
  • Press Factory Reset button and hold for at least 15 seconds
  • Device restarts automatically
  • Default settings have been restored

The unit will reboot automatically. Once the power light stops blinking, the unit has been reset and is ready to use. Resetting the router does not reset the firmware to an earlier version, but it will change all settings back to factory defaults.