Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
iPhone 5 Screen Protectors Photos Released –
The shot below shows how much bigger the screen protector compared to the iPhone 4:
do not think these and all the other case stories are the final designs as all cases released up to now are sourced from a common leaked design document , Which has not been confirmed or any evidence to back it up.