i have the exact problem but it started after i did a restore on the iphone being that the apps would just shut of in the middle of using it (i found that its also a common thing with iphone users) i figure since it said if you are having problems with your iphone do a restore. Wifi was working fine when i 1st got it last friday it would find the connection and i would be running off the wifi signal that was until the restore and ever since yesterday edge is always on in the wifi window my router shows up i enter the password the wifi signal appears when the lock icon goes away 2 secs later the wifi signal goes away and edge appears and the lock icon shows back up. I noticed that when i make a call though edge dissappears and the wifi icon appears. I called apple and the guy was trying to tell me it was my router which is BS cause thenwhy does iphone stop using edge when i make calls and starts using wifi but when i hang up edge appears again. The apple guy wanted me to go into my router setting and change it all ariound i told him no cause it's working fine with all my laptops and psp and it had been working with the iphone till i did the restore. I understand that there is going to be bugs at 1st but i'm not going to be calling tech support and doing the whole hour long calls . i called At&T and i told them i want them to exchange my iphone for a new one cause i did'nt fork up over $600 to have me call for support 5 days later. they said no problem to just go to the store i bought it in and they would exchange it. i know bugs will be fixed but damn! i can live with using the edge betwork afew times when i'm not near a hotspot but to have to use it all the time it just to much , it's like they are forcing you to use edge and still pay them a crap load of money. ok i'm done with my rant lol😀