Hi, my name is***** will assist you. I am sorry this happened. You can get the keyboard on the screen and long press the keyboard icon and it will give you the option to split or normal. If this does not work it could be a glitch in the software and the iPad needs to reboot, lets try and force a reboot > Hold the home button and the power button down for about 30 seconds or until the Apple logo appears on the screen, then release both buttons. .