I recently unlocked an activated a virginized 1.02 iphone to 1.1.1. Wifi at my house works fine; however, when i try to sign in the manual http proxy at school it fails. After I enter the http proxy settings and authorization info etc i press the home button and try to use safari. It doesn't work so i go back to my wifi settings and the http proxy settings have gone from manual to off, and deletes all of my proxy settings! Am i doing something wrong in 1.1.1, because this worked at school the day before on my unlocked 1.02 iphone! how can i fix this bizarre problem!?