Completing the firmware upgrade
Step 1:
Close Internet Explorer or Safari.
Step 2:
Press and hold the Reset button of your hotspot for 30 seconds.
Step 3:
Powercycle the hotspot. To do this, unplug the power cord and wait 30 seconds before plugging it back in.
The firmware upgrade process is now complete.
DEALING WITH A ZIPPED FILE FORMAT
For older Linksys routers, the downloadable firmware format is usually in a zipped file form.