@acher Hi Gabor, please, can you write me how you upgraded driver / firmware in your router and which version of driver / firmware you used? As I wrote above, my router has used latest firmware and...

@Solla-topee Hi all of TP Link team, I have had same problem as Gabor. When I turned off 5GHz band so It started automatically within 1-2hour. Any idea how to fix it? My router is Archer C5 V4...