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Knowledge document #27

Wi-Fi connection drops frequently

You're having problems with your Wi-Fi? The Wi-Fi connection keeps dropping? ✔ Here's how to solve your connection problems.

The Wi-Fi connection to the FRITZ!Box or a FRITZ!Repeater, FRITZ!Powerline device, or an additional FRITZ!Box used in the FRITZ! Mesh drops frequently.

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 latest FRITZ!OS for the FRITZ!Box.

1 Checking the event log of the FRITZ!Box

  1. Click "System" in the FRITZ!Box user interface.
  2. Click "Event Log" in the "System" menu.
  3. Check whether events also took place before the time when the error occurred, or whether only events are shown that took place after the error occurred.
  4. If events are also displayed that took place before the time the error occurred, proceed with the next section.

2 Updating FRITZ!OS and Wi-Fi software

Updates contain improvements, bug fixes, and new functions. Therefore, install the latest FRITZ!OS and software versions on all FRITZ! products and wireless devices:

Installing the latest FRITZ!OS for the FRITZ!Box

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

Installing the latest FRITZ!OS for the Mesh Repeater

The following steps are only necessary if you are using one or more Mesh Repeaters in the home network of your FRITZ!Box:

  1. Click "Home Network" in the FRITZ!Box user interface.
  2. Click "Mesh" in the "Home Network" menu.
  3. Click "Perform update" next to the respective Mesh Repeater.

Installing the latest software for the wireless device

  1. Install the latest software version for the wireless device (for example Android, iOS) or the latest driver for the computer's wireless network adapter (for example from the Intel Download Center).

    Note:Refer to the device's manufacturer for information on how to update, for example consult the manual.

3 Enabling the 5 GHz Wi-Fi network

The 5 GHz Wi-Fi network is disabled when the energy-saving mode is enabled in the FRITZ!Box under "System > Energy Monitor". If the 2.4 GHz Wi-Fi network is subject to heavy use in your Wi-Fi environment, the connection may drop. Therefore, re-enable the 5 GHz Wi-Fi network in the FRITZ!Box:

  1. Click "Wi-Fi" ("Wireless") in the FRITZ!Box user interface.
  2. Click "Wi-Fi Channel" ("Radio Channel") in the "Wi-Fi" ("Wireless") menu.
  3. Enable the option "Adjust Wi-Fi channel settings".
  4. Enable the Wi-Fi network for the 5 GHz frequency band.
  5. Click "Apply" to save the settings.

4 Optimizing the FRITZ!Box's Wi-Fi settings

Setting Wi-Fi channel settings automatically

In the factory settings, the FRITZ!Box evaluates the Wi-Fi environment and the connection quality of the wireless devices at regular intervals. Based on this evaluation, it automatically selects the best Wi-Fi channel settings. If you disabled the automatic adjustment of Wi-Fi channel settings, enable it again:

  1. Click "Wi-Fi" ("Wireless") in the FRITZ!Box user interface.
  2. Click "Wi-Fi Channel" ("Radio Channel") in the "Wi-Fi" ("Wireless") menu.
  3. Enable the option "Set Wi-Fi channel settings automatically (recommended)".
  4. Click "Apply" to save the settings. Now Wi-Fi connections to the FRITZ!Box are briefly cleared and then automatically re-established.

Adjusting the name of the Wi-Fi network (SSID)

  1. Click "Wi-Fi" ("Wireless") in the FRITZ!Box user interface.
  2. Click "Wi-Fi Network" ("Radio Network") in the "Wi-Fi" ("Wireless") menu.
  3. Click "Additional Settings for the Wi-Fi Network" and disable the option "Different names for the Wi-Fi networks on 2.4 and 5 GHz" to use the same name (SSID) for both Wi-Fi networks. Only then can the FRITZ!Box automatically steer your wireless devices to the ideal frequency band ("band steering").
  4. Click "More Information on the Wi-Fi Network" and disable the option "Hide name of the Wi-Fi network". This way, all wireless devices can connect to the FRITZ!Box and the FRITZ!Box can optimally control your wireless devices in the Mesh ("Mesh Wi-Fi Steering").
  5. If you changed the name of the FRITZ!Box's Wi-Fi network (SSID), remove all special characters from the Wi-Fi network name. Since some wireless devices do not support all of the special characters allowed by the FRITZ!Box, only use letters (but not special characters such as ä, ë, ö, ü, á, é, í), numbers, and spaces.
  6. Click "Apply" to save the settings. If the wireless devices were only connected to the 5 GHz Wi-Fi network with a different name, you must then reconfigure the Wi-Fi connection on those devices.

5 Optimizing the Mesh settings

The following steps are only necessary if you are using one or more Mesh Repeaters in the home network of your FRITZ!Box:

Checking the Mesh connection of the Mesh Repeater

  1. Click "Home Network" in the FRITZ!Box user interface.
  2. Click "Mesh" in the "Home Network" menu.
  3. If a Mesh Repeater is not marked with the Mesh symbol in the Mesh Overview, follow the steps in the corresponding guide:

Enabling the adoption of Mesh settings

  1. Click "Access to Home Network" in the user interface of the Mesh Repeater. If you are using a FRITZ!Box as the Mesh Repeater:
    1. Click "Home Network" and then "Mesh".
    2. Click on the "Mesh Settings" tab.
  2. Enable the option "Adopt settings enabled".
  3. Click "Apply" to save the settings.

6 Optimizing the position

Finding the ideal location for the FRITZ!Box

  1. If possible, place the FRITZ!Box in a centrally located room. The FRITZ!Box has omnidirectional antennas. The Wi-Fi signal is therefore emitted spherically in all directions.
  2. Do not place the FRITZ!Box directly in the corner of a room.
  3. Position the FRITZ!Box so that it is as unobstructed as possible, i.e. not directly in back of or under an obstacle such as pieces of furniture or a heater.
  4. Place the FRITZ!Box as high in the room as possible, for example on a shelf.
  5. Place the FRITZ!Box so that there are as few obstacles as possible between it and the wireless devices. Even small objects in the immediate vicinity of your FRITZ!Box can greatly reduce the range of the Wi-Fi signal. Especially metallic objects or objects containing water, for example radiators, refrigerators, or houseplants, significantly reduce the quality of the Wi-Fi signal.
  6. Place the FRITZ!Box away from other radio transmitters, such as microwaves, wireless speakers, or Bluetooth devices.

Finding the ideal location for the Mesh Repeater

The following steps are only necessary if you are using one or more Mesh Repeaters in the home network of your FRITZ!Box:

  1. Position the Mesh Repeater where the quality of the FRITZ!Box's Wi-Fi signal is good. You can find tips on positioning it in the guide Finding the ideal location for the Mesh Repeater.

Now the FRITZ!Box and the wireless devices are ideally configured. If the Wi-Fi connections of individual wireless devices still drop, then the problem lies with the respective wireless devices. The manufacturer of the wireless devices may be able to give you advice on how to solve the problem.

However, if Wi-Fi connections continue to drop after a certain distance, this is due to the Wi-Fi environment or the range of the wireless devices. In this case you can use a Mesh Repeater to increase the range and stability of the Wi-Fi network.



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