Linksys RE6400 Setup | AC1200

Your current WiFi network’s coverage and range can be increased with the Linksys WiFi Extender AC1200 RE6400 configuration. It is an easy fix if the WiFi signal is weak or nonexistent in some areas of your house or place of business. You can successfully expand the WiFi network’s coverage area by installing the RE6400 extender, allowing you to connect to the internet from more rooms within your building.

Linksys Extender RE6400 Setup Via Manually

The Linksys Extender AC1200 RE6400 is a dual-band Wi-Fi range extender designed to boost the range and coverage of your existing wireless network. With its easy setup process and compact design, the RE6400 can quickly eliminate Wi-Fi dead zones and provide seamless connectivity throughout your home or office. Here are the steps for manual setup:

  • Plug the RE6400 extender into a power outlet near your Wi-Fi router.
  • Wait for the power LED to turn solid green.
  • On your computer or mobile device, go to your Wi-Fi settings.
  • Connect to the “Linksys Extender Setup” network.
  • Launch a browser and type “” in the address bar.
  • Follow the on-screen instructions.
  • Choose your home Wi-Fi network from the list, then, enter your Wi-Fi password.
  • Choose the “Range Extender” mode and complete the setup process.
  • Connect your devices to the extended Wi-Fi network using the new SSID and password you set up.
  • Once connected, the extender’s LED lights should turn solid green, indicating a successful setup.

Your Linksys Extender AC1200 RE6400 should now be set up and extending your Wi-Fi network. If you encounter any issues during setup, refer to the Linksys Extender RE6400 setup manual for detailed instructions. It supports both 2.4 GHz and 5 GHz frequencies, delivering speeds up to AC1200. The extender also features an Ethernet port for wired connections and works with all Wi-Fi routers. Whether for work or entertainment, the Linksys Extender RE6400 is a reliable solution to enhance your Wi-Fi experience.

Linksys WiFi Extender RE6400 setup wps setup in easy steps

Step-by-step guide to set up the Linksys Extender AC1200 RE6400 using the WPS method:

  • Plug in the RE6400 extender near your Wi-Fi router and wait for the power light to turn solid.
  • Press and hold the WPS button on the RE6400 for about 5 seconds until the WPS light starts blinking.
  • Press the WPS button on your WiFi router in two minutes
  • The WPS light on the extender will turn solid, indicating a successful connection.
  • Move the RE6400 to your desired location within the range of your existing Wi-Fi network.
  • Connect your wireless devices to the new extended network to enjoy better Wi-Fi coverage.

Your Linksys Extender AC1200 RE6400 should now be set up using the WPS method and providing extended Wi-Fi coverage.

How to update the firmware of Linksys Extender AC1200 RE6400?

To update the firmware on your Linksys WiFi Extender RE6400:

  • Connect your computer or mobile device to the Linksys Extender’s network (SSID: LinksysExtenderXXXX).
  • Open a web browser and type in the address bar “” or “”.
  • Follow the on-screen instructions to access the extender’s web-based setup page.
  • Go to the “Administration” or “Firmware Upgrade” section.
  • Check for the latest firmware version on the Linksys support website.
  • If a new firmware version is available, download it to your computer.
  • Click “Browse” or “Choose File” to select the downloaded firmware file.
  • Click “Upload” or “Upgrade” to begin the firmware upgrade process.
  • Wait for the update to complete, and the extender will reboot automatically.
  • After the reboot, reconnect your devices to the extender’s network with the updated firmware.

Note: During the firmware update, do not turn off the extender or interrupt the process to avoid potential issues.

Linksys WiFi Extender RE6400 factory reset

To perform a factory reset on the Linksys WiFi Extender AC1200 RE6400, follow these steps:

  • Locate the reset button on the extender. It is usually a small hole labeled “Reset” on the back or bottom of the device.
  • With the extender powered on, use a paperclip or a similar tool to press and hold the reset button for about 10 seconds.
  • While continuing to hold the reset button, you may notice the LED lights on the extender blink or change status. Keep holding the button until the LED lights stabilize or turn off, indicating that the reset process is complete.
  • Release the reset button.
  • Allow the extender a few moments to reboot and restore the factory settings.

Once the factory reset is complete, the extender will be reset to its default settings, including the default Wi-Fi network name (SSID) and password. You will need to reconfigure the extender from scratch, just as you did during the initial setup.

Common Linksys RE6400 Setup Issues:

  • Connection Problems: The extender might have difficulty connecting to the main router or maintaining a stable connection. This could be due to interference, distance, or incorrect Wi-Fi settings.
  • Slow or Weak Signal: If you experience slow or weak Wi-Fi signals after setting up the extender, it may be placed too far from the main router or in an area with signal obstructions.
  • Extender Not Found: Sometimes, the extender may not be visible during the setup process, making it challenging to connect to it.
  • Firmware Issues: Outdated firmware can cause various problems with the extender’s performance. Updating to the latest firmware version is recommended to resolve any potential bugs or issues.
  • Resetting Problems: If the extender does not reset properly or the factory reset process does not complete successfully, it might lead to configuration issues.
  • Incorrect Passwords: Users might enter incorrect Wi-Fi passwords during the setup process, leading to connection problems.
  • Incorrect Placement: Placing the extender in the wrong location can result in ineffective signal extension.
  • Incompatible Devices: Compatibility issues with certain devices may arise if they don’t support the extender’s frequency or security settings.
  • Interference: Nearby electronic devices or appliances can interfere with the extender’s signal, causing performance issues.
  • Internet Connectivity Issues: Sometimes, issues may arise with the main router or internet service provider, making it seem like there’s an extender problem.

Troubleshooting steps:

  • Reboot: Restart the extender and the main router to resolve temporary issues.
  • Check Placement: Ensure the extender is placed within the optimal range of the main router and away from signal obstructions.
  • Update Firmware: Check for the latest firmware on Linksys support and update if necessary.
  • Verify Wi-Fi Settings: Double-check SSID, password, and security settings to ensure they match the main router.
  • Perform Factory Reset: If you encounter persistent problems, try a factory reset and reconfigure the extender.
  • Check Interference: Identify and eliminate sources of interference near the extender.
  • Compatibility Check: Ensure your devices are compatible with the extender’s specifications.
  • Contact Support: If issues persist, contact Linksys support for further assistance.

In any case, if you still face any other issue contact our professional expert through the setup page