How to Update an ASUS RP-AC55 WiFi Repeater

Introduction

In This Guide
You'll Learn:
  • How updating your ASUS Range Extender works.
  • How to manually apply updated firmware on your ASUS RP-AC55 Range Extender.
Before We Begin:
  • Be at your desktop or laptop computer.
  • Have your Range Extender setup and working properly.
Asus

1 Automatic Update

By default, your Asus RP-AC55 Range Extender will automatically update itself when it is not in use; usually overnight.

You do not need to make any changes for this to happen, it takes place automatically by default.

? Do you wish to manually update your Range Extender?

  1. Yes, I would prefer to manually update
  2. No, I'm fine with automatic updates

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In This Guide
You'll Learn:
  • How updating your ASUS Range Extender works.
  • How to manually apply updated firmware on your ASUS RP-AC55 Range Extender.
Before We Begin:
  • Be at your desktop or laptop computer.
  • Have your Range Extender setup and working properly.
Asus

By default, your Asus RP-AC55 Range Extender will automatically update itself when it is not in use; usually overnight.

You do not need to make any changes for this to happen, it takes place automatically by default.

There are 2 main Operating Systems for personal computers currently available, Windows and macOS.

Windows
Windows runs on computers produced by multiple companies, such as Lenovo, Asus, Dell, Toshiba, Hewlett Packard, Acer, and Sony.Windows 10
macOS
Apple is the only company that makes macOS computers.macOS Mojave
The firmware update utility does not work on mobile devices. You must use your desktop or laptop computer to perform the update.
  1. Open your preferred web browser.
    Main Desktop Browsers.
  2. In the address bar at top, type in www.asus.com/us/Networking/RP-AC55/HelpDesk_BIOS and press Enter on your keyboard.
    Browser address bar with address filled in and highlighted.
  3. Scroll down, and under Firmware, select the Download button to the right.
    Asus Firmware download page Firmware section with Download button highlighted.
  4. Once complete, open the download.
    Chrome file download bar with download highlighted.
  5. Select the TRX file inside, then select Extract at the top.
    Open archive in Explorer with TRX file and Extract button highlighted.
  6. From the menu that opens, select Extract All.
    Extract menu ribbon with Extract All highlighted.
  7. You'll be asked where you'd like to extract the file. The default location is fine. Select Extract.

    Make note of the exact location where the file is being extracted, you will need this information later!

    Extract dialog with extraction location and Extract button highlighted.
  8. The extracted file will be shown.

    You may want to leave this window open, to remember where you extracted the file easily.

    Extracted file displayed in Explorer.
  1. Open your preferred web browser.
    Main Desktop Browsers.
  2. In the address bar at top, type in repeater.asus.com and press Enter or Return on your keyboard.
    Chrome address bar with address entered and highlighted.
  3. Enter your Username and Password to administer your Range Extender.
    By default, the username and password is:
    • Username: admin
    • Password: admin
  4. Select the Version Number at the top.
  5. Select Choose File, then select the file you downloaded before.
  6. Select Upload.
  7. Wait while the firmware updates.

    This can take three minutes or more.

  8. When the update is complete, it may ask you to reboot your Range Extender. Turn off the Range Extender, wait ten seconds, then turn it back on.
    Range Extender with power switch highlighted.
  9. Your range extender is now up-to-date.
The firmware update utility does not work on mobile devices. You must use your desktop or laptop computer to perform the update.
  1. Open your preferred web browser.
    Main Desktop Browsers.
  2. In the address bar at top, type in www.asus.com/us/Networking/RP-AC55/HelpDesk_BIOS and press Return on your keyboard.
    Safari browser with address entered and highlighted.
  3. Scroll down, and under Firmware, select the Download button to the right.
    Asus Firmware download page Firmware section with Download button highlighted.
  4. Safari browser will automatically extract the file for you. Select to Show Downloads, then select to Show In Finder for the download.
    Safari with Show Downloads and Show in Finder highlighted.
  5. The extracted file will be shown.

    You may want to leave this window open, to remember where you extracted the file easily.

    Extracted file shown.
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