"How to disable the front camera?"に関する回答http://www.youtube.com/watch?v=5Uhe1o9tJ... There's the video on how to disable your front-facing-camera. This will help you to never "accidentally" flip the broken front-facing-camera on.
"Front Facing camera not working."に関する回答1. Jailbreak your device 2. Download iFile 3. Go to System/library/CoreServices/SpringBoard.app/N90AP.plist 4. Set the value for front-facing-camera to false 5. Reboot You will now not have the option to "accidentally" use the front facing camera.