Reasons to jailbreak iPhone: LockLight
LockLight is now one of the top reasons I jailbreak. This awesome tweak will allow you to open the iPhone Flashlight with full screen brightness right from the lock screen–without even looking!
The tweak is called LockLight, and is in the ModMyI repository in Cydia. Searching for LockLight should bring up the application.
LockLight uses the Cydget platform, which allows for multiple lock screen views. Cydget is configurable in Settings.
Configure Cydget such that AwayView is first, and LockLight is lower down in the list. Unfortunately this tweak works best with just LockLight and AwayView, but there are other cool Cydget views that are worth looking at, such as CyCalc.
Once you’ve configured Cydget, Respring your device and enjoy using LockLight!
LockLight Activation:
To start using LockLight, press the power or home button to view the lock screen. Tap the home button to cycle through your enabled Cydgets. If just LockLight and AwayView are enabled, tapping the home button will alternate between the two.