FRITZ!Box 7340 Service - Knowledge Base

FRITZ!Box 7340 Service

"Info" LED or several LEDs flash continuously

The "Info" LED or several LEDs on the FRITZ!Box flash continuously. The error occurred after updating FRITZ!OS manually or automatically. You may not be able to open the FRITZ!Box user interface any more and the browser only displays a white page with the error message "firmwarecfg: ERROR Error: opening page ../html/index.html".

1 Preparations

The cache of the web browser must be cleared before you perform the following steps:

  1. Press "CTRL + Shift + Del" at the same time on the keyboard, or press "CMD + Alt + E" for Safari.
  2. In the new window, click "Clear" or press Enter.

2 Restarting the FRITZ!Box

  1. Unplug the FRITZ!Box for 5 seconds.

    Note:The FRITZ!Box settings are retained. The restart will take about 2 minutes. During this time, you cannot access the FRITZ!Box.

3 Checking whether the update was successful

  1. Open the FRITZ!Box user interface. If the user interface is not displayed, use the recovery tool to reset the FRITZ!Box. Using the recovery tool installs the update.
  2. Click "System" and then "Update".
  4. The update was successful if no new version is found.
    • If a newer version is found, repeat the online update. If the online update fails, continue with the next section and update manually.

4 Updating manually

Downloading the FRITZ!OS file

  1. Call up in your web browser.
  2. Switch to the folder for your FRITZ!Box model, then to the subfolder "firmware", and then to the folder "deutsch_a-ch" or "english".



Repeating the update process

  4. Click "Save Settings".

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

  7. Click the "Start Update" button.

5 Resetting the FRITZ!Box

Saving the FRITZ!Box settings

Applying the recovery tool

  1. Use the recovery tool to reset the FRITZ!Box.

Restoring the FRITZ!Box settings

  1. Restore the FRITZ!Box settings.