FRITZ!Box 6810 LTE Service - Knowledge Base

FRITZ!Box 6810 LTE Service

"Power" LED flashes

Your FRITZ!Box establishes a connection to your LTE provider as soon as you insert your SIM card and enter the PIN in the FRITZ!Box user interface. This can take up to 2 minutes. During this time, the "Power" LED on the FRITZ!Box flashes and then stays lit as soon as the connection has been established.

This guide shows you how to resolve the following issue:

  • The FRITZ!Box's "Power" LED flashes continuously and you cannot connect to the Internet.

One or several of the following error messages is/are 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"

Important:Some of the settings described here are only displayed if the advanced view is enabled in the user interface. The configuration procedure and notes on functions given in this guide refer to the latest FRITZ!OS

Simply proceed as described below. After each measure, check whether the issue persists.

1 Checking which LEDs flash

2 Checking whether the LTE network is supported

The FRITZ!Box supports LTE networks in the 800 MHz and 2.6 GHz frequency bands. The FRITZ!Box does not support other frequency bands.

Note:The FRITZ!Box does not support the 1.8 GHz frequency band used by some providers in some areas, for example. Your LTE provider can provide you with information on the frequency band used in your local area.

3 Checking your SIM card

Although it may not appear to be the case, your SIM card may have been inserted incorrectly, it may be damaged, or it may be the incorrect SIM card. Therefore, check the SIM card in the FRITZ!Box:

  1. Press the SIM card briefly in order to remove it from the SIM card slot.
  2. Check the SIM card.
    • If the contacts on the SIM card are damaged or it is not the SIM card you received from your LTE provider:

      Important:You cannot use SIM cards intended for mobile connections according to the mobile standard UMTS/HSPA (3G) with your FRITZ!Box.

      • Contact your LTE provider.
    • If it is the SIM card you received from your LTE provider and the contacts on it are not damaged:
    1. Pick up the FRITZ!Box so that you are facing the underside of the device and can read the "SIM Card" label on the SIM card slot.
    2. Insert the SIM card that you received from your LTE provider into the SIM card slot with the slanted edge of the card on the left and the contacts facing downwards (see fig.).
    3. Push the SIM card gently into the SIM card slot until it clicks into place.

      Fig.: Inserting the SIM card

      • A few millimeters of the SIM card protrude from the SIM card slot.

4 Activating your SIM card for use with the LTE network

The following step is only necessary if the FRITZ!Box displays the message "No LTE network was found within range" or "Could not establish LTE connection. Reason: [...]" although there are LTE networks within range displayed in the FRITZ!Box user interface under "Internet > LTE information > Network List":

  • Have your LTE provider activate the SIM card for use with the LTE network.

5 Enabling roaming

The following step is only necessary if your LTE provider uses another provider's LTE network at the FRITZ!Box's location:

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

    ATTENTION!If you enable roaming, additional costs may accrue. Your LTE provider can provide you with information on roaming and possible costs.

  4. Click "Apply" to save your settings.

6 Installing the latest FRITZ!OS for the FRITZ!Box

Installing the latest FRITZ!OS makes your FRITZ!Box compatible with the latest LTE technology used by LTE providers in their radio cells:

7 Finding the ideal location for the FRITZ!Box

You can use the alignment aid to find the ideal location for the FRITZ!Box and the best position for the LTE antennas:

  1. Click "Internet" in the FRITZ!Box user interface.
  2. Click "LTE Information" in the "Internet" menu.
  3. Click on the "Reception" tab.
  4. Click the "Start Alignment Aid" button.
    • Now the FRITZ!Box shows the signal strength for both LTE antennas.

      Note:When the alignment aid is active, the current signal strength is also displayed in a five-level display on the FRITZ!Box LEDs. This means that you can also find the best location for the FRITZ!Box without using the FRITZ!Box user interface.

  5. Select a location for the FRITZ!Box where the value displayed is as high as possible.
    • Do not set up the FRITZ!Box in the corner of a room.
    • Position the FRITZ!Box as close to an outside wall as possible. If you know where your provider's LTE radio cell is located, position the FRITZ!Box by the wall facing the LTE radio cell.

      Important:If the FRITZ!Box is located in the attic or on a window sill, make sure that the permissible operating temperature of 0° to 40° Celsius is not exceeded.

    • Position the FRITZ!Box so that it is as unobstructed as possible, i.e. not directly in back of or under an obstacle (for example pieces of furniture, heater).

8 FRITZ!Box is unsuitable for use in LTE outdoor coverage area

If you are using the FRITZ!Box in an area located on the edge of the LTE radio coverage area (outdoor coverage area) of your LTE provider, then the internal LTE antennas may not be sufficient for an LTE connection. Therefore, the FRITZ!Box cannot resolve this issue.

Note:Some FRITZ!Box models allow you to connect an outdoor antenna (for balcony or roof, for example). These models are suitable for use in outdoor coverage areas. Our sales team can provide you with information on these models. Your LTE provider can tell you whether you are using the FRITZ!Box in their indoor or outdoor coverage area.