Taking Note Of Your Current Settings; Performing The Upgrade - Linksys WRT160N - Wireless-N Broadband Router Wireless Firmware Upgrade Manual

The name of the file may vary depending on the firmware file of your router.
Step 7:
Double-click the .zip file and extract its contents to a single folder or to the Desktop. If you're using a Mac
computer, the file would be extracted automatically.

Taking note of your current settings

After upgrading the router's firmware, a reset needs to be done which will require you to reconfigure your settings
from scratch. Be sure to note down important settings before resetting the router and use it as basis for reconfiguring
the router later.
NOTE: You can use the back-up and restore configuration feature of your router before resetting so as not to go
through the whole process of reconfiguration. However, firmware upgrades sometimes include added functionalities
which might mess up the settings once restored from a backup. In case this happens, you might have to manually
reconfigure the router.

Performing the Upgrade

Step 1:
Access the router's web-based setup page.
Step 2:
Click the Administration tab.