How to setup the Asus RT-AC51U router?

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asus RT-AC51U

Before we proceed to the asus rt-ac51u setup, properly check the position of your Asus router. Make sure the Asus RT-AC51U router is plugged away from devices like heavy-duty motors, refrigerators, etc.

One can easily perform asus rt-ac51u setup using mobile phones (wireless) and by computer (wired/wireless).

Steps to perform Asus RT-AC51U set up through a wired connection

asus RT-AC51U
  1. In the first step, connect the Asus router’s power plug into the wall socket.
  2. Take a wire (Ethernet cable), attach the router’s LAN port to your computer.
  3. Take another end of the cable and attach the modem to the Asus router’s WAN port.
  4. After that, you have to plug in the Modem’s AC adapter to the wall socket.

This is how the user can easily perform the asus rt-ac51u setup in a hassle-free manner.

 How to login Asus RT-AC51U?

To get access to the Asus RT-AC51U router, the user requires the IP address, username, and password.

login Asus RT-AC51U

Steps to perform the Asus RT-AC51U login guide

  1. Open a web browser.
  2. Enter the IP address (  or you may type the address field.

  3. Now, you will see the 2 text fields where you need to provide the username and password.
    Note: You may also enter the default values in the required fields.

  4. Finally, press the “Enter” key to finish the asus rt-ac51u login process.

How to update firmware Asus RT-AC51U?

Updating the asus rt-ac51u firmware will help you get the latest updates for your Asus router.

However, one can easily update the Asus router firmware either by using the GUI or by manual method.

Steps to update the firmware using web GUI

  1. Click on the web browser’s icon and navigate to (web GUI) to access the login page.
  2. Type the values for password and username in the fields. Tap on the Sign-in button.
  3. Here, the user will see a pop-up message which indicates a message, if new firmware is available.
  4. Hit the Update now button and it will take you to the Administration > System page.
  5. 5. Click on the Firmware upgrade option. Now, wait till it finishes the asus rt-ac51u firmware update process.

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