Once the lights on the front of the router stabilize, log back into the web management interface using your browser. Check the status page to confirm that the string now matches the version numbers of the file you just installed. Troubleshooting Common Update Issues The router rejects the file ("File error")
Go to the official TP-Link support page ( www.tp-link.com/support/download/tl-wr840n/ ), select your exact hardware version, and download the most recent firmware. The firmware file will be in a .zip archive. Extract the archive to a folder on your desktop; the actual firmware file typically has a .bin extension. tp link router firmware update tl-wr840n
Once you click Upgrade, a progress bar will appear on the screen. Once the lights on the front of the