iPad mini keyboard problem

I have an iPad mini 3 generation, and the keyboard goes crazy every time I enter something. Can I swap it with another older model? I don't want to crack the screen. Thanks.

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@joewong What do you mean by "crack the screen"

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@BeanMan56 I have to remove the screen and swap the keyboard. How do I take the screen off? Thanks.

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Keyboard? You said screen

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The on-screen keyboard is software, you can't take it out of the device.

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