I have same problem. Recently ISP have changed my ADSL router to vDSL modem/WiFirouter, I'm using assembled service of internet, IPTV and VoIP. My LAN works perfectly, but WiFi is giving me some hard time: everything works nice and I'm using internet on my laptop (Lenovo t410 Win8.1), phone (LG G2 andorid), tablet (iPad), but day after all devices are showing that they are connected to WIFI but there is no/or low internet response, for example: skype works but cant open some pages, other are opening but some images don't load (fb etc.). I can't log in into router to reboot it. And this issue when internet isn't working normally but showing as connected persists on all devices I've mentioned above. But at the same time when internet isn't working, when I try it on my desktop PC (Win8.1) everything works normally. Then I need to go to router turn it off then on and everything works perfectly, sometimes for a day, sometimes for a couple of days. I've tried everything, changing IP lease time, changing freq form 20 to 40, changing channels, switching from b/g/n to N, almost everything I could think of... My WiFi is secured with WPA/PWA2-PSK-TKIP/AES password, and name is a simple one with 3 char name. My modem/router information's are: Device Type ZXHN H367N Device Serial No. ZTEEG03E7812096 Batch No. T2 HW Version V1.2.0 SW Version V1.0.0_L_BOSNIA BOOT Version V1.0.4 do anyone have an idea what it can be the reason why this is happening?