Manually upgrading the firmware of Linksys Atlas Pro 6 Dual-Band Mesh WiFi

While automatic updates make it easier to upgrade your firmware, there are two ways you can manually upgrade the firmware of the Linksys Atlas Pro 6 Dual-Band Mesh WiFi.  These can be done through the following:
1.  By logging into the CA section of your router.
2.  By using a specific link depending on whether your router is already configured or if it is still on its factory default settings.  
Check the options below for more information.  For further assistance, you can also call 
Linksys technical support.

Before you begin: 

Access the Linksys app dashboard to check the IP address of the parent or child node.  For instructions, click here.  Once in the dashboard, select the menu icon and go to Network Administration.  Tap on your node's name to locate its IP address.

Below are points to help you identify the appropriate IP address of the parent node or child node:

  • A parent node will display both WAN and LAN IP addresses.
  • All other nodes are considered child nodes.  A child node will display the same information as the parent node except for the WAN IP address.

Preferred method:  Using the CA login
Alternative method:  Using a specific link

Preferred method:  Using the CA login

Step 1:  
Download the firmware file from the Linksys MX5500 support page to your computer.

Step 2:  
Log in to the router’s page. 

For parent node:
  • Using your computer, open a web browser and log in to the page.  For instructions, click here
  • You can also use the IP address assigned to the node such as

For child node:
  • Check the LAN IP address of the node from the Linksys app.  
  • Once you have the LAN IP address, enter “https://x.x.x.x/ca” (where the x.x.x.x represents the IP address of your child node) in the Address bar, then press [ENTER].
Step 3:
Click on the CA link at the bottom-right corner of the screen.

Step 4:
Click Connectivity under Router Settings.

Step 5:
In the Basic tab, click Choose File.

Step 6:
Select the firmware file you have downloaded then click the Start button. 

Step 7:
Click Yes and wait for the update to finish.

NOTE:  Do not turn OFF the router or close the browser during this process.

Step 8:
Click Ok on the Router Reboot window.

Step 9:
Click Ok again to complete the update.

You should now have successfully upgraded your router’s firmware.

Alternative method:  Using a specific link

The link to use will depend on your router’s configuration status.  

Before you begin:

  • Determine if your node is configured or if it is on factory default settings.
  • Determine your node’s IP address using the Linksys app.  To do this, you must first access your Linksys app dashboard.  For instructions, click here.  Then, tap on the menu icon and go to Network Administration and look for IP Address.
NOTE:  The default IP address of your node is  If your router’s IP address is different, use that instead.
  • Make sure that your node is connected to the internet.

Step 1:
Download the firmware file from the Linksys MX5500 support page to your computer.

Step 2:
Launch a browser, enter the appropriate link as shown below (based on the status of your router), then hit [ENTER].

A.  For a configured node:  Enter “http://x.x.x.x/fwupdate.html” where the x.x.x.x represents the IP address of your node.

B.  For a node that’s on factory default settings:  Enter “http://x.x.x.x:52000/fwupdate.html” where the x.x.x.x represents the IP address of your node.

Step 3:
Log in by entering your current username and password in their corresponding fields, then click on Sign in.

Step 4:
Click on Choose File, select the firmware you downloaded, then click Update.

Step 5:
Wait until you receive the “result”: "OK” message on the browser.

Once done rebooting, a configured node will show a solid blue light after the upgrade, which means it is back online.  On the other hand, a node that is on factory default settings will display a solid purple light, which indicates that it is ready for setup.

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