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Netgear X4S Setup

X4S is an amazing WiFi networking extender by Netgear. Thus, a Netgear Nighthawk X4S extender is a perfect solution for you to improve the home WiFi range. The extender has FastLane3 technology that provides 100% performance improvement in comparison to its contemporaries. On this page, we will discuss Netgear WiFi extender setup process of X4S in addition to its firmware update and reset.

Steps – How to Set Up Netgear Nighthawk X4S Extender

There are 3 ways using which you can complete Netgear X4S setup. They are the Nighthawk app, manual method, and the WPS method. If you use the manual method to set up the extender and follow the steps carefully, success is guarantee. Follow the below-given instructions to set up the extender manually:

  • Place the X4S range extender and router in the same room.
  • Connect your devices using an Ethernet cable as shown in the picture.


  • You need to switch on your devices now.
  • Move to your computer or laptop and open WiFi Settings.
  • Check the entire network list and find Netgear_ext.
  • Connect to the network using the extender’s default WiFi password.

Note: To know about the default WiFi password of your Nighthawk X4S extender, you have to look at product label. Apart from the WiFi password, the extender’s administrative username and password is mentioned there.

  • Open a web browser now and type mywifiext.net into the address bar.
  • Press Enter.
  • The extender’s user agreement will show up.
  • Accept the terms and conditions and click Next.
  • The login page of the extender will appear.
  • Type admin and password into the Username and Password fields respectively.
  • Know that the default username and password are case-sensitive.
  • Click Log In.
  • Select the Extender mode on the next screen.
  • Click New Extender Setup.
  • When your extender scans the available networks, select the network that belongs to your router and enter its WiFi password.
  • Select the Connect option.
  • Assign new SSID and password to the extender’s both frequency band networks.
  • Follow the instructions appearing on the screen.

In this way, you can complete the X4S extender setup process. Once done, you are free to unplug your extender and place it at the location where you were experiencing poor WiFi connectivity before the setup process.

Netgear X4S Setup – Nighthawk App

If you do not have a laptop or desktop to set up their X4S extender can use your mobile phones. Connect your extender and router through an Ethernet cable first. Install the Nighthawk app on the mobile. Connect mobile to the Netgear_ext network after that and launch the Netgear Nighthawk app. Create the Netgear account (if you don’t have one) and follow the in-app instructions.

Netgear X4S Extender Firmware Update

Before everything else, visit the Netgear download center and download the Netgear Nighthawk firmware file on your PC. Thereafter, you can install the Netgear extender’s latest firmware using the following instructions:

  • Start by connecting your desktop to the X4S extender using an Ethernet cable.
  • Visit mywifiext.net after that.
  • Using the default credentials, log in to your extender.
  • Move to the Management page and select Firmware Update.
  • You will have to browse the firmware file of the extender now.
  • The firmware update will start and within 2 minutes the extender will get updated.

Note: The extender’s default password and username will not work if you have personalized them during the setup process. In that case, you should use the new username and password of the router.

Netgear X4S Extender Lights – Meaning and Troubleshooting

There are various lights on the range extender that tell if the extender is working perfectly or not. You can understand their functions with the help of the following table.

LED Function Description
Router Link LED Tells the status of connection between the router and X4S extender. Solid Blue means best connection

The solid amber color indicates good connection.

Solid red suggests that the devices are poorly connected.

No light means no connection.

If this light is blinking blue, your extender is resetting.

Power LED Reveals if the extender is getting a stable power supply. Blinking Blue means that the extender is booting.

The solid blue status of the power light means that the extender is powered on.

In case the Power light is off, the extender is off.

Client Link (2.4GHz and 5GHz) They let you know about the connection strength of the 2.4GHz and 5GHz networks. Solid blue means the connection is the best.

If the Client link LED is amber, it indicates good connection.

Solid red means poor connection.

No connection is there when the light is off.

WPS LED The WPS connection status is revealed with the help of this light. When this light blinks blue, know that the WPS connection is in progress.

Solid blue color of this light means that the WPS connection is working. Off means no WPS connection.

Instructions to Reset Netgear Nighthawk X4S Extender

On the off-change your extender starts working out of order, you can consider resetting it. Resetting the extender is going to erase all the settings that you have customized. It also means that after the extender will reset, you will have to reconfigure it using the mywifiext.local URL. We are mentioning the reset steps below:

  • Disconnect all the devices connected to the Netgear X4S extender.
  • On the side panel of the extender, locate the Reset button.
  • Now, press the button using a sharp object and hold it for 20 seconds.
  • The extender will reset!

In this manner, you can restore your X4S extender to the factory default settings. You need to now go through the Netgear extender setup once again to make it up and running.

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