In the Start Typing... field, type in the product information (for
example, "Netra" or "X4170"), and click Search to see the latest firmware
for each release.
The firmware distribution is packaged as a zip file. After you download this
file, extract it and then extract the firmware package.zip file that it contains
(if any). The firmware package is in a pkg file. You upload this file during the
upgrade procedure outlined below.