If you bought the router at retail, visit the TP-Link Download Center. Select your Hardware Version from the dropdown menu. Click the tab. Download the latest ZIP file based on the published date. 2. Your Internet Service Provider (ISP)
(Links lead to TP-Link's official servers) tp link tl wr850n firmware download
There are multiple hardware versions (v1, v2, v3, etc.) of the TL-WR850N. Installing the wrong version firmware will brick your router. You must check the version number on the router's label before downloading. If you bought the router at retail, visit
You must check your hardware version before downloading any files. Installing firmware for the wrong version can permanently "brick" (break) your router. Download the latest ZIP file based on the published date
Method 2: Local upgrade via web management page * Download firmware that matches your Router's model and hardware version from TP- www.tp-link.com
Read the "Readme" file in the download folder to see if there are specific "intermediate" versions you need to install first.