Download the latest firmware file specific to the model.
Check the current version against the latest release notes in the Calix Community Portal (requires a professional login). 844g1 firmware update top
Once logged in, navigate through the menu to find the update section: Go to the or Maintenance tab. Download the latest firmware file specific to the model
Connect your computer to the router via an Ethernet cable or Wi-Fi. 844g1 firmware update top
Found on the sticker on the bottom or side of your router labeled "Admin Password". 2. Locate the Update Section Update Software in Calix 844G-1 - firmware - HardReset.info