A soft factory reset (the one that keeps the login info) fixed the issue. Why there was an issue at the first place ? no idea.

Hello, I already red the other thread (https://community.tp-link.com/en/home/forum/topic/270754). I recently upgraded my internet speed from 100/20 to 200/20. However, I couldnt get the 200 Mbps...

@Marvin_S I waited out a day just to be sure but I think the problem is solved. You might ask how, I have no idea. Thursday night I stayed up and tried everything all over again; switched between...

@Marvin_S They fixed the signal issue but the problem persists. As nothing changed for about 4 hours, I went back to Static IP with my set of DNS. I'm using PiHole on Pi as primary DNS and Google's...

@Marvin_S The modem is Netmaster Infinity 401. https://www.turksatkablo.com.tr/userUpload/sayfa/internet/kk/kk_infinity401.pdf It's in Turkish but as it's PDF I think It can be auto translated. The...

I tried to set Internet to Dynamic IP aswell. Did not solve it.