If you try to push the power/sleep button for three times in a row on the lockscreen in the OS 4, the iPhone goes right into flashlight mode and will show you a White or Bright Screen, Hey I’m not sure if it’s Feature or Bug but I hope it would be a Feature.
Here’s the video which shows you this Feature, Have Fun!
Then what do you think? Is it a Bug? or Is it a Feature?
Apple is expected to unveils the next iPhone 4G early this month, and Also iPhone OS 4 Final Version is expected to be released at the same event, Also MuscleNerd will release a new Unlock for iPhone 3GS at the same time.