You can find the latest version firmware at the Dynalink website (www.dynalink.co.nz) and it can be downloaded free. It is not necessary to download a more recent version firmware, unless that version has a new feature that you want to use.
File - Enter the downloaded file name.
Firmware Version - Displays the current firmware version.
Hardware Version - Displays the current hardware version. The hardware version of the upgrade file must accord with the current hardware version.
Note:The upgrade firmware should correspond to the hardware. Upgrade process lasts for a moment and the router will restart automatically then. Keep the router is on power during the process, in case of any damage.