Wifi dropping on Internet
Ok so I turn my wifi on through the settings my wifi router is on I connect to it perfect all the barrs showing as full signal , then open safari soon as it opens my wifi disconnects turn my wifi off and back on (iPhone) load Internet same thing happens again, put my phone on 3G perfect not a problem with Internet only on wifi iv updated my phone , done a factory reset nothing seems to be solving this problem anything I open that uses Internet while connected to wifi drops it.
Could anyone shed any light on this issue been searching a few forums loads about wifi grey out but nothing like this any help would be great. Thanks
iPhone 4S, iOS 6.0.1