Apple - iPhone - Learn how to use all the features of iPhone.
Your current (approximate) location is indicated by a blue marker....
As you move around, iPhone updates your location, adjusting the map so that the location indicator remains in the center of the screen. If you tap [the nameless target thingie to the left of the Search button] again or drag the map, iPhone continues to update your location but stops centering it, so the location information may move off the screen....
... To conserve battery life, turn Location Services off when you’re not using it. In Settings, choose General > Location Services.
... Tap the blue marker, then tap [the blue arrow] iPhone displays the address of your current location, if available. You can use this information to:
- Get directions
- Add the location to contacts
- Send the address via email or MMS (iPhone 3G or later)
- Bookmark the location
Use the dropped pin:
Tap [upturned page icon, lower right], then tap Drop Pin.
A pin drops down on the map, which you can then drag to any location you choose.
Replace the pin:
Tap [the upturned page icon], then tap Replace Pin. iPhone drops the pin in the area you’re currently viewing.