Everything you need to know about setting up, tracking, messaging, locking, and wiping a lost or stolen iPhone, iPod touch, or iPad with Find my iPhone
Find my iPhone -- or Find my iPod or Find my iPad -- keeps track of your iCloud enabled devices so you can track them down if they're lost or stolen, and even remotely message, lock, and erase it to keep your data secure.
4.If you have multiple devices on your account, choose the one you want to track.
Click the Information icon on the map to see your options.
Choose your option -- Play Sound or Send Message, Remote Lock, or Remote Wipe.
Devices that are trackable will a small green dot next to their name. Wi-Fi devices can only be tracked when they're connected to a known Wi-Fi network.If you think you just misplaced your iPad or that someone borrowed it without asking, you'll want to play a sound or send a message.
Click on Play Sound or Send Message.
Type your messages
Click on Send.
4.The alert will be sent to your device.
The sound will be played and the message will be displayed on your iPhone, iPod touch, or iPad and will continue to play and be displayed until the device is unlocked and the alert dismissed.If you think your iPhone, iPod touch, or iPad was lost or stolen and is unlikely to be recovered, you'll want to lock it and possibly wipe all data from it.