How to get screen rotate lock switch back iPad iOS 4.2

After your iPad updated to iOS 4.2, the screen orientation lock switch will be changed to a mute switch. In order to stop the screen rotating, you have to double tab the home button, swipe to the side and tap a virtual button in the dock. It's annoying and you may be a tad upset with this option.There is a solution for making the mute switch button an orientation lock button again. But you have