Click it, navigate to the folder where you extracted the downloaded firmware, and select the extracted .bin file.
If you see “V3,” proceed. If you see any other number (V1, V2, V4, V5), do not use the files linked in this article.
If the wireless connection drops for even a split second during the flash process, the firmware will corrupt, ruining the router. Plug an Ethernet cable into your computer's LAN port and connect the other end to one of the orange LAN ports on the back of the TL-WR850N. 3. Power Stability
Do not trust third-party driver downloaders. Only use the official TP-Link support portal.
Optimizes data handling for faster Wi-Fi speeds. Tp-link Router Firmware Update Tl-wr850n V3
Open your web browser and navigate to the official website.
Updating the firmware can extend life, but not indefinitely. Here is when to stop troubleshooting and upgrade your hardware:
Go to System Tools > Backup & Restore to save your current configuration in case you need to perform a factory reset after the update. Method 1: Manual Update via Web Browser (Recommended)
Before you begin the update process, review these critical safety rules to prevent "bricking" (permanently damaging) your router: Click it, navigate to the folder where you
Wait for the physical LED lights on the router to stabilize (the power and Wi-Fi lights should stop blinking rapidly and remain solid).
Given these limitations, OpenWrt on the TL-WR850N V3 is best suited for experienced users who are comfortable with the risks and willing to experiment. For most home users, sticking with the official, up-to-date TP-Link firmware is the safest and most reliable choice.
Once the progress bar reaches 100%, the router will automatically reboot itself to apply the new changes.
With preparation complete, you can now proceed with the actual firmware update. This process is broken down into three core parts. If the wireless connection drops for even a
: Ensure the router and computer have a stable power supply. Do not turn off the router or disconnect the cable during the process.
The router will now display a progress bar. This process typically takes between 2 to 5 minutes. Do not refresh the browser page. Do not close the tab. Do not unplug the router.
Look at the page or the top of the screen to verify the Firmware Version . It should now reflect the build number of the file you just installed.