iCloud: Find My iPhone overview
Find My iPhone is a web application at icloud.com that you can use to help you locate any of your lost iOS devices or Mac computers that you set up to work with Find My iPhone.
You can use Find My iPhone to:
-
See the locations of your devices on a map
-
Lock and track the location of your iOS 6 device using Lost Mode
-
Lock your iOS 5 device or Mac computer
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Make your device play a sound
-
Erase the information on your device
Access Find My iPhone from a computer
Go to icloud.com/find and sign in using your Apple ID (the one you use with iCloud).
If you’re already using another application on icloud.com, click the iCloud button
(or press Shift-Esc on your keyboard), then click Find My iPhone.

To get started, set up your devices now.
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