@Kevin_Z Thanks for the answer! Yes, on the TP-Link support site, for the Archer C80 (BR) v1 model, there are only firmwares (US), (TW) and (JP). I appreciate if you can verify this.

Hello everybody! I have the aforementioned TP-Link router and I received the last update through Tether, but the firmware support site for the Archer C80(BR) version only contains firmware (US) which...