Poor iphone 4 wifi signal reception..
http://www.youtube.com/watch?nomobile=1&v=b4nmCOg0s4c
so when my hand cover the side of the iphone device where its wifi antenna is suppose to be, i find that there is decrease in wifi signal reception as what happen with guy in the previous video and i just want to know if this problem present in my device only or this problem present in all iphone 4 devices?
iOS 4