for iOS 9.1 software

To automatically fill in names, passwords, or credit card info on sites
that support it, tap a text field, then tap AutoFill.
To protect your personal information, set a passcode if you turn on
iCloud Keychain and AutoFill.
Limit Ad Tracking
Restrict or reset Ad Tracking. Go to Settings > Privacy > Advertising.
Turn on Limit Ad Tracking to prevent apps from accessing your iPhone
advertising identifier. For more information, tap About Advertising &
Privacy.
Find My iPhone
If you misplace your iPhone, Find My iPhone can help you locate it and
protect your data. Use the Find My iPhone app on another iPhone, iPad,
iPod touch, or Mac or the web app at to locate
your iPhone on a map, lock it remotely, play a sound, display a message,
or erase all its data.
Note: For more information about Find My iPhone, please refer to the
Help in the app.
Turn on Find My iPhone. Go to Settings > iCloud > Find My iPhone.
Important: To use Find My iPhone features, Find My iPhone must be
turned on before your iPhone is lost. iPhone must be able to connect to
www.icloud.com/find