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Knowledge document #3294

Since updating FRITZ!OS, the FRITZ!Box's Power LED flashes

Since updating FRITZ!OS, the FRITZ!Box can no longer establish a mobile network connection. The FRITZ!Box's Power LED flashes continuously since the update and one of the following error messages may be displayed in the event log of the FRITZ!Box:

  • "No LTE network was found within range."
  • "Could not establish LTE connection.
    Reason: EPS_SERVICES_NOT_ALLOWED_IN_THIS_PLMN"

Simply proceed as described below. After each measure, check whether the problem is solved.

Note:All instructions on configuration and settings given in this guide refer to the FRITZ!Box 6820 LTE v2, v3, und v4 with the latest FRITZ!OS, the FRITZ!Box 6820 LTE v1 may vary.

1 Restarting the FRITZ!Box

  1. Unplug the FRITZ!Box for 5 seconds.

    Note:The FRITZ!Box settings are retained when you unplug it. The restart takes about 2 minutes. During this time, you cannot access the FRITZ!Box.

2 Enabling roaming

The following step is only necessary if you are using the FRITZ!Box abroad (for example with a German SIM card in Italy) and your mobile network provider there uses a different provider's mobile network:

  1. Click "Internet" in the FRITZ!Box user interface.
  2. Click "Account Information" in the "Internet" menu.
  3. Enable the option "Permit roaming".

    ATTENTION!Enabling roaming could result in additional costs. Refer to your mobile network provider for information on roaming and possible costs.

  4. Click "Apply" to save the settings.
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