no you can use the mobile network for Internet
Yes, you can use your iPhone 3G(S) to access the Internet if you have an available WiFi connection.
If it is wifi then no it does not use your credits.
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
no, you just have to have a wi-fi router and Internet
“How do I get wifi for my IPHONE, I already have internet service at home but it's not wireless”
yes it can just make sure you are connect to the internet so you can use wifi
Connect to either WiFi or 3G and go to Safari. Start searching.
Wifi is required for Pandora Internet Radio.
It comes as part of your iPhone's data plan unless you only use the WiFi to access the Internet. The data plans start at $30 USD.
It has always had internet. Edge now 3G or WiFi.