How to turn off Carrier IQ on your iPhone

iPhone users can turn off the Carrier IQ software that's raised a ruckus among consumers, bloggers, and privacy advocates with just four taps. To disable Carrier IQ on iOS 5, iPhone iOS 5 users should select the Settings app, touch "General" and then "Diagnostics & Usage" near the bottom of the pane. Touch "Don't Send" to place a checkmark in that field.