How to connect iphone 3G to wifi wireless network. wifi is an important wireless network connection for iphone 3G, it can let you access internet more quickly than 3G. what’s more, many wifi service are free for iPhone users. if there is a wireless hotspot around you, you can use your iphone 3G wifi. firstly turn on wifi function from home >  settings > wifi and turn it on. if you are near a hotspot, a wifi connection will show up automatically. click the network, it connects to a network. now you can use free wifi network on your iphone 3G.

Tags: iphone 3g wifi, iphone 3G wireless network