no you can use the mobile network for Internet
yes, you can just use wifi access to use the Internet on your iPhone
Yes or public wifi
AT&T requires you to at least get the ~$20 Internet package with the Iphone. You can also use your WIFI connection, but you still need the AT&T package
“How do I get wifi for my IPHONE, I already have internet service at home but it's not wireless”
Yes. AT&T offers services that allow the iPhone to access the Internet wherever there is a cellular data signal. Or, the iPhone can connect to a WiFi network to access the Internet without the need of an AT&T plan.
Wifi is required for Pandora Internet Radio.
Yes, for any cell phone you have to pay for the data usage. Definitely get an unlimited plan, as the rates for data usage are expensive. Or if u want to unlock your iphone u dont have to pay for the internet as long as u have wifi in the place that u are in.
Yes, you can use your iPhone 3G(S) to access the Internet if you have an available WiFi connection.
It has always had internet. Edge now 3G or WiFi.
ANSWER;you dont
If you just connect a router to your iPhone, then the Internet should be free.