iPad split keyboard not working on iOS5

Spliting the on-screen keyboard is one of the useful features in iOS 5. You can bring up the keyboard, tap and hold the keyboard button in the lower right hand corner, then choose split the keyboard in the pop-up menu. But you can't choose the size of the keys or where to stop the split.If the split keyboard is not working after updated to iOS5, try the following basic fixes:* Make sure the