Crazy suggestion, but all these 'flashlight' apps in development really annoy me. Anyone that thinks spending money on an app is a good idea, try this (you'll find there is already a free one built in!). Try this: Launch the camera, flip it to video and turn the flash on. It acts as a flash light. For those who want a flashlight for those occasional moments, this will be a fine solution (battery drain wouldn't be an issue if it's only in occasional use for a few minutes). For those looking to replace their maglites with the iPhone 4 LED flash, a paid app that doesn't use the camera would be more suitable.