You get faster internet then the original iPhone.
does the iphone 3 have to have internet to work.
Yes, it costs extra for the internet on the iphone.
The iPhone has its own Service Plan which has Internet included.
yes, you can just use wifi access to use the Internet on your iPhone
for an iphone there's already an app called safari which is the internet
Yes, you can buy international iPhone's version (a iPhone with out Internet) in eBay or amazon, some iPhone that sell outside U.S, is international iPhone' version. You can use it with any network that you like.
iPhone's don't provide their own internet, the internet comes from a service provider so it depends which company a person is with.
Yes it can but, the iphone needs the internet package otherwise your bill will be very high. The iphone is always connected to the internet , and to my knowledge ATT did not allow a customer to have the iphone with out the internet package already in place. Although there has been cases of customers canceling their internet packages and received a bill for a couple of thousands of dollars
You can not download Internet Explorer as a application on the iPhone. You can download Google Chrome insted.
If you just connect a router to your iPhone, then the Internet should be free.
sell your Iphone and get an Android phone