This is my first iPhone (iPhone 5).
If I turn on Wi Fi, I notice that the 3G indicator hides. Does this mean that when I turn on Wi Fi and I connect to a network, that option is used instead of my cellular data plan?
Or do I need to turn off cellular data, in order to use the Wi Fi network?
View the Correct Answer Cellular Data vs Wifi in Ask iPhone Question , iPhone Wi-Fi, 3G and Bluetooth Help