Hi to all,

           Respected community members I got a brand new TPlink Archer C80 just 2 days ago & got it connected to my ISP using PPPOE & it work just flawlessly. Perfect signal strength & everything. Then after 2 days got a notification on my Tether app that there was a firmware update. I updated the firmware using the Tether app in my galaxy phone.

After updating the router to the latest firmware & reconfiguring the settings from scratch again it just wouldn't connect to the same ISP using the PPPOE protocol & there is ORANGE light constantly on.  Checked the ID and password for good measure & there no issues there. I have spent almost 5 hours yesterday working with technician of the ISP who was at my residence but the router just won't work at all & the ORANGE light remained on.

If i had known the just a small firmware update of 3.3mb would cause just a headache for me i would NEVER EVER updated it at all. Or if i had read the Posts of Already owners of Archer C80. What I want to know now is that is there a solution to this Problem or not. My ISP advised that the new firmware isn't compatible & Told me to downgrade it to the previous firmware that was running with the ISP perfectly.

Is there a way around for this router to work with the same ISP with PPPOE protocols???? & if not I want to know a way to downgrade the firmware of Archer C80. Currently the router is running in Accesspoint Mode & i'm using the ethernet cable from a very very OLD Tplink router N300 which being so old ironically still works without any issues.

Thanks.