How to Enable Multitasking Gestures on iPad 2 running iOS 4.3
STEP 1. First you have to download Xcode 4 and then install it on your Mac.
STEP 2. Now start Xcode and connect your iPad to your Mac.
STEP 3. Now simply click on the “Use for development” button.
STEP 4. Now you will be prompted to enter your iOS developer username and password. Simply click on cancel. It will show you an error message, then simply disregard it.
STEP 5. Simply go to general preferences menu of your iPad and then turn on the new multitasking gestures after the developer mode activation is finished.
That’s it. In this way you can enable multitasking gestures on your iPad and iPad 2 running iOS 4.3 without jailbreaking it. If you found any difficulty in following the above steps then feel free to ask in the comment section below.