Help you find the direct download link if you confirm your regional model.
Search for and select the firmware that matches your V2 hardware version.
A firmware update will often reset your router to its factory default settings. This means your Wi-Fi name (SSID), Wi-Fi password, admin password, port forwarding rules, and any other custom configurations will be erased. To save yourself the headache of reconfiguring everything from scratch, it's wise to back up your current settings.
Once the progress bar reaches 100%, the router will reboot automatically. You may lose connectivity temporarily. Wait for about two minutes to allow the device to fully restart.
With the correct firmware file extracted and ready, and your computer safely connected by an Ethernet cable, you can now proceed with the update. The entire process typically takes about two minutes, during which you must be patient and not interrupt the router.
You connected your computer to the router via an Ethernet cable (the safest way!) and opened your web browser. You typed 192.168.1.1