Originally Posted by
docbert
It's two different things.
Turning off history will NOT clear the history they already have - just step it being collected going forward.
But you can also delete the history they already have as a separate step.
Instructions on how to do both should be available by clicking on the settings icon from the URL included above.
This also isn't going to stop your carrier from knowing where your phone is. This is nearly as accurate, and most don't publish how long they hold the information for.