Hello. I have a problem with Samsung UE40F6320. Some time ago WiFi stopped working. When I try to set up a wireless network it shows up message "Searching for wireless networks", then it disappears and the TV selects a cable connection, even though the cable isn't connected. In addition, all other wireless functions doesn't work, for example WiFi Direct and Screen Mirroring. I updated the software, but it didn't help. I tried to reset TV to factory settings, but also it didn't work. Is it a hardware problem and should I make a complaint?