ES450 4.5.1 firmware location

Hi, I am trying to update my Airlink ES450 firmware to version but the ALEOS 4.7.0 User Guide says I need to install version 4.5.1 first.
Please could you supply me with a link so I could download the ES450 4.5.1 firmware update package so I can update my device.

Regards, Jonathan


Please navigate to the link below and select the firmware package you require.Within that link you will find a download link for the ES450 4.5.1 firmware link under the note section.