Can you buy internet for an Iphone 4? Like to have internet every where?

Can you do that on the iphone?

Yes, something called 4g or 3g. Get with your service provider

Yes, in fact that's the meaning of the data plan that you always get with a smart phone.

Yes, Sure, you can buy Iphone 4 by iphone offficial website or other agency shop. In a word, It is very convenient. Certainly, you also can buy it from funbookes, this very famous website. No matter what ways, you can buy it. Hope can help you.

An iPhone connects to the Internet using either wi-fi or cell phone networks. Wi-fi is built in, so all you have to do is find a place that has wi-fi and you can use it with your phone. If you don't have wi-fi available where you are, you can use cell phone service for your Internet access, but then you need a subscription to a cell-phone service provider, which means paying a monthly fee and having a limit on how much Internet use you can have without paying extra. Cell phone service works just about anywhere (depending on how well your provider covers your area), but wi-fi is limited to hotspots where there's a wi-fi transceiver, such as restaurants or other places that provide wi-fi service. So you need cell service if you want to be able to access the Internet just about anywhere.

In general, if you have a choice between wi-fi and cell service in a given area, wi-fi is faster and cheaper. And in fact the phone will always try to connect by wi-fi first, for this reason.