Fritz! Box 7490 Installation And Operation Manual page 44

Update: Updating FRITZ!OS
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Now you can copy the FRITZ!OS file to the computer that is
connected to the FRITZ!Box, for instance using a USB flash
drive.
Performing a FRITZ!OS Update
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FRITZ!Box 7490
Switch to the folder for your FRITZ!Box model, then to the
sub-folder "firmware", and then to the folder named
"english".
The complete model name of your FRITZ!Box is shown in
the user interface on the "Overview" page and is also
printed on the sticker on the underside of the housing.
Download the latest FRITZ!OS file for your FRITZ!Box with
the file extension ".image" to the computer.
The currently installed version of FRITZ!OS is displayed
on the "FRITZ!OS File" tab and on the "Overview" page.
The version number of the FRITZ!OS you downloaded
and saved is included in the name of the "*.image" file.
Perform an update only if the downloaded FRITZ!OS is a
newer version than the FRITZ!OS currently installed.
Open the FRITZ!Box user interface, see
Enable the advanced view.
Select "System / Update / FRITZ!OS File".
Click the "Save Settings" button to save the current set-
tings of your FRITZ!Box on your computer and save the
export file on your computer.
Using this file you can restore the settings of your
FRITZ!Box as needed.
Click the "Browse..." button and choose the file with the
new FRITZ!OS you already downloaded and saved on
your computer.
Interrupting the FRITZ!OS update could damage your
FRITZ!Box. Do not clear the connection between
FRITZ!Box and the computer during a FRITZ!OS update,
and do not unplug the power cord.
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