@Solla-topee the beta tpPLC Utility fixed the problem for me, it's now showing again that the device has wi-fi..

@Philbert thanks, but i know that, it's not the problem. I tried the button to switch off the led on the tpPLC utility, there is a button there, on the left side, that is supposed to switch off the...

This happened today, my TL-WPA4220 now only shows up on tpPLC as having Powerline only, no wifi. This means i don't get the wifi icon or indication of wifi speed and can't open the web configuration...