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Upgrading the Linksys router’s firmware using the classic web-based setup page

Upgrading the Linksys router’s firmware using the classic web-based setup page is necessary if you want to improve the current performance of your device and fix the issues that the previous firmware version may have.  While you have the option to let your router automatically update its firmware, a manual upgrade lets you manage the updates you want to load on your device.

NOTE:  The latest version of your device’s firmware is posted on its product page in the Linksys Support Site.  Check your device’s current firmware version to see if you need to upgrade it to the latest version posted in the support site.  You can see this information at the uppermost right portion of the router’s web-based setup page.  If you have a Linksys Smart Wi-Fi Router, check the firmware version of your router using the Linksys cloud account, click
here for instructions.
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The steps below will guide you on how to properly perform a manual firmware upgrade on your Linksys router.  If you want to watch the video, click here.
QUICK TIP:  If you have a Linksys Smart Wi-Fi Router, update its firmware through your Linksys cloud account.  For instructions on how to do this, click here.
IMPORTANT:  To prevent upgrade failures, the following items must be checked before proceeding with the upgrade process.
  • The computer you will use to do the upgrade should be connected to the router using an Ethernet cable for stable connectivity.  It is NOT recommended to update the firmware wirelessly as it may cause permanent damage to the router.
  • Use another browser if your default browser doesn’t work.  Alternatively, you can use another computer to perform the upgrade.
  • Download the correct firmware and version for your device.
  • If your router has a storage link and your storage device is connected to it, make sure to remove the storage device before upgrading the router’s firmware to prevent data loss.
  • Make sure that you have created a backup configuration before removing the storage device.  For instructions on how to create a backup, click here.
To manually upgrade the firmware of your router, you need to complete the following steps:
Checking the model and version of your router

You should find the model number and the serial number on the label underneath the device.

NOTE:  Identifying the appropriate model and version number will help you select the correct firmware to download.  If you find that there is no version number found on the label, this means that your device is a version 1 model.  To learn how to find the model and serial number of your device, click here.

Download and save the updated firmware file from the Linksys Support Site to your computer.  You can save it to your preferred destination folder (i.e. Desktop, My Documents).  If you need more help in downloading the firmware, click here.
NOTE:  The firmware format is .bin, however, there are instances where the file may have a different extension such as .img and .bix.
Step 1:
Access the router’s web-based setup page.  To learn how, click here.
IMPORTANT:  Make sure to enter the correct router Internet Protocol (IP) Address in accessing the router’s web-based setup page.  The default router IP Address is  If this address does not work, it might have been changed when the router was set up so you need to check the new IP Address.  To learn how, click here.  If you still can't access the web-based setup page, try resetting the device.
 This will restore your router to factory defaults.  For instructions, click here.

NOTE:  If you encounter a 502 Error or Bad Gateway Error​, you can perform a manual firmware upgrade to solve the issue.  For instructions, click here.

Step 2:  
Click on Administration > Firmware Upgrade.


Step 3:
Click the Browse… button.


Step 4:
Locate and select the file that you have downloaded then click Open.

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NOTE:  If you are using Mac OS X®, click the Choose button.

Step 5:
Click the Start Upgrade button.


A warning prompt stating not to interrupt the upgrade will appear.

However, if you have selected an incorrect file, a prompt similar to the image below will appear.  If this happens, click the OK button and repeat Steps 2 to 4 and select the correct file.

Step 6:
Click Continue when it prompts that the upgrade has been successful.

Step 7:
Powercycle the router by unplugging it from the power outlet for 10 seconds, then re-plug it.

Resetting and reconfiguring the router
Resetting and reconfiguring the router may be required if you have lost your Internet connection after upgrading the firmware or if the connectivity issues you encountered prior to the update still exist.  This is where the backup file you saved earlier comes handy.

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