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Knowledge document #3657
FRITZ!Box 7490
This support document is available for the following products:

FRITZ!Box reports "The selected file contains a firmware version which is older than the one already in use"

The update for the FRITZ!Box cannot be installed. When performing an online update and/or selecting the file in the FRITZ!Box user interface, the message "The selected file contains a firmware version which is older than the one already in use" is displayed.

Cause

  • The installed FRITZ!OS is not suitable for updating to the latest FRITZ!OS version. You must install an intermediate update.

1 Performing an intermediate update

The latest FRITZ!OS must be installed in steps using an intermediate update:

Downloading the FRITZ!OS File

Download the FRITZ!OS file required to install the intermediate update:

  1. Call up https://service.avm.de/downloads/zwischenupdate/ in a web browser.
  2. Switch to the folder for your FRITZ!Box model and then to the subfolder "deutschland" or "other".

    Note:The complete model name of your FRITZ!Box is shown in the FRITZ!Box user interface on the "Overview" page and is also printed on the sticker on the underside of the device.

  3. Download the file with the file extension ".image" to the computer.

Installing the intermediate update

  1. Click "System" in the FRITZ!Box user interface.
  2. Click "Update" in the "System" menu.
  3. Click on the "FRITZ!OS file" tab. If the tab is not displayed, enable the Advanced View first.
  4. Click "Save Settings" and on the FRITZ!Box, confirm that the procedure may be executed if asked to do so.

    Note:Save your FRITZ!Box settings again under "System > Backup" right after successfully completing the installation. Then you can always restore a working configuration.

  5. Click the "Browse..." or "Choose File" button.
  6. Select the FRITZ!OS file you downloaded (image file).
  7. Click the "Start Update" button.

2 Installing the latest FRITZ!OS

Once the intermediate update is installed, you can install the latest FRITZ!OS:

  1. Install the latest FRITZ!OS on the FRITZ!Box.
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