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It is impossible to tell you what is wrong with the details given.
What types of switches are you using, and how are they connected to the RC?
Does the box you made pinout with a multimeter the way that you think it should?
Does a debug statement showing the states of the switches show what you expect.
What code are you using to try to switch programs?
Answer those, and people here will be much better able to help you.
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