Just like the Nokia X3–02 Touch and Type, the “Touch and Type” in the Nokia C3 Touch and Type (C3–01 Model Series, for C3–00 you can read and get the Spec and Manual here), refer to the User Interface Integrated with C3 Phone, Touch Screen UI by 2.4 “Display and Keypad… https://easymanualuser.com/nokia-c3-01-touch-type-user-manual-pdf/