Ever sense i downloaded i05 and and then I downloaded i06 my iPhone 3GS will not pick up my wi-fi In any other part of my house it will only pick up my wi-fi if I'm in the same room as my wireless router which is in my family room smh it's been doing this for a long time and I would really love to get this straightened out,I have already replaced my router so that is not the problem please someone (help)