iPhone: Connecting to the Internet with EDGE or Wi-Fi

To connect to the Internet, simply use Mail, Safari, YouTube, Stocks, Maps, or Weather. When you use any of these applications, iPhone does the following in order until connected: Connects over the last Wi-Fi network you used that's available.If no Wi-Fi networks you've used are available, shows a list of Wi-Fi networks in range. Tap a network and, if necessary, enter the password to join.