FRITZ!Box 4020 Service - Knowledge Base

FRITZ!Box 4020 Service

Mesh Repeater cannot establish a Wi-Fi connection

After you set up a Mesh Repeater, it cannot establish a Wi-Fi connection to FRITZ!Box. If you are using a FRITZ!Repeater as a Mesh Repeater, depending on the model, the signal strength LEDs flash for a while and then switch off, or the "Connect" LED flashes quickly for a while and then flashes slowly.

To resolve the problem, simply proceed as described below.

Note:All instructions on configuration and settings given in this guide refer to the latest FRITZ!OS for the FRITZ!Box.

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

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

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

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

  1. Click "Wi-Fi" in the FRITZ!Box user interface.
  2. Click "Wi-Fi Network" ("Radio Network") in the "Wi-Fi" ("Wireless") menu.
  3. Enable the option "Name of the Wi-Fi network visible". This way, all wireless devices can establish a connection to the FRITZ!Box and the FRITZ!Box can optimally control wireless devices in the Mesh ("Mesh Wi-Fi Steering").
  4. Click "Apply" to save the settings.

Disabling the MAC address filter

  1. Click "Wi-Fi" in the FRITZ!Box user interface.
  2. Click "Security" in the "Wi-Fi" menu.
  3. Enable the option "Allow all new wireless devices".
  4. Click "Apply" to save the settings.

Enabling the WPS function

  1. Click "Wi-Fi" in the FRITZ!Box user interface.
  2. Click "Security" in the "Wi-Fi" menu.
  3. Click on the "WPS Quick Connection" tab.
  4. Enable WPS.
  5. Select "Push-Button method (WPS-PBC, Push Button Configuration)" and click "Start WPS".

Disabling the keylock

  1. Click "System" in the FRITZ!Box user interface.
  2. Click "Buttons and LEDs" in the "System" menu.
  3. Click on the "Keylock" tab.
  4. Disable the "Buttons locked" checkbox.
  5. Click "Apply" to save the settings.

3 Reconfiguring the Wi-Fi connection

  1. Reconfigure the Wi-Fi connection between the Mesh Repeater and the FRITZ!Box. Use the appropriate guide for your Mesh Repeater: