1
Needs to remove or disable key from iPad ke
set in storyboard
or manually
[textField setKeyboardType: UIKeyboardTypeASCIICapable];
I dont think a key can be removed form key pad, how ever you can add an overlay at the same place over that image.
You cannot remove a specific button from keyboard unless you create a custom keyboard. But, there are different kinds of keyboard defined already. What you can do is manage the keyboard behaviour.
[yourTextField setKeyboardType: UIKeyboardType];