Just follow this you tube advice.....now I just press side button to turn sleep on/off. No more glass or puzzle and no more entering passwords with Exchange if that is on your phone. Huge help for me as I hated entering in a pass every fricking time I wanted to use phone.
http://www.youtube.com/watch?v=QGsHu5xOolc
http://www.youtube.com/watch?v=QGsHu5xOolc