The minutes ticked by, and John's anticipation grew. Finally, the router rebooted, and the update was complete. John was thrilled to see that his router was now running the latest firmware version. He tested the connection, and everything seemed to be working flawlessly.
The WRT120N has two hardware revisions. Using the wrong firmware can brick the device: wrt120n firmware download
With the firmware file in hand, John logged back into his router's web interface and navigated to the firmware upgrade page. He selected the downloaded file and clicked "Upgrade." The router sprang to life, and the firmware update process began. The minutes ticked by, and John's anticipation grew