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Dokument informacyjny #158

Cannot update FRITZ!OS: Error message after selecting a FRITZ!OS file

The update for the FRITZ!Box cannot be installed. After you select the file in the FRITZ!Box user interface, one of the following error messages is displayed:

  • "The update failed: The specified file does not contain any valid firmware for your device."
  • "The update failed. An unspecified error occurred during the update."

1 Downloading the FRITZ!OS file again

  1. Call up download.avm.de/fritzbox/ in your web browser.
  2. Switch to the folder for your FRITZ!Box model. There are two different versions of the FRITZ!Box 7530 AX. If it says "Typ B" on the type label on the underside of the device, switch to the folder "fritzbox-7530-AX-B". Switch to the subfolder "deutschland" and then to the folder "fritz.os".
  3. Download the file with the extension ".image" to the computer.

2 Restarting the FRITZ!Box

  1. Click "System" in the FRITZ!Box user interface.
  2. Click "Backup" in the "System" menu.
  3. Click on the "Restart" tab.
  4. Click the "Restart" button.

3 Repeating the update process

  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 you are 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.
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