Most Nokia phones have a flash that can be used as a flashlight by using an application, but still is not entirely practical, as when urgently need a light source must run the application, taking this a short period of time.
The Nokia C7 this is much easier, since it has the function built-in flashlight in one of its buttons. How to turn the flash on your Nokia C7 and use it as a source of light? Having the phone without any application running and locked, slide the lock button, and we have slipped a few seconds, making the flash turned on, to turn it off simply drop the slider.