Disable lock screen on your Android Jelly Bean device
Turn off the lock screen in Jelly Bean
Here's how you can disable the lock screen on your Android Jelly Bean device.
1. Go to Settings.
2. Go to Security.
3. Go to Screen Lock.
4. Choose the None option.
For more, see the original article at the link below.
50 Android Jelly Bean tips, tricks and hints | Tech Radar