Have you ever noticed that, by default, your iPhone and iPad give you an audible alert when you plug them in, but not when you unplug them? Why is that? It seems like it would serve a similar purpose--letting you know if your device is plugged in or not.
Well whatever the reason is, it's not something you have to worry about anymore. At least, not if you're jailbroken. There's a new tweak out in Cydia this week called 'Unpower,' and its one function in life is to alert you when your device gets unplugged...