@Sazzad_Hossain I don't know if it fixed his problem, but I have the same problem and mine didn't fix. I still get No internet occassionally when connected to 2.4GHz which never happens in 5GHz....

Hi, I'm from Bangladesh and my router model is Archer AX15(BD). The Wifi 6 or 5Ghz band works perfectly, but whenever I connect to Wifi 4 or 2.4Ghz Network, it works for a while and then shows No...

Hi @AlwaysBeSmile, I'm also facing the same issue with my TPLink Archer AX15. I tried tweaking settings, but nothing worked. Could you please share the firmware file, that might help. Thanks