We just found this bug in iPhone OS 4.0 Beta 4: when the iPhone is in stand-by, double-tap on the power button and the screen turns into a flashlight. This is actually a cool bug, and maybe Apple won’t fix it?
iPhone OS 4.0 Beta Bug: Flashlight [video]
when the iPhone is in stand-by, double-tap on the power button and the screen turns into a flashlight
