Fault Details: Nokia X3-02 phone keypad not working problem, Keypad connector points damage problem, Some keys not working properly.
Solution: Nokia X3-02 have qwerty keyboard which is easy for writing on mobile. Some time we face problem like keypad not working and some keys missing. To solve this problem first clean circuit and keypad panel with electronics cleaner and apply normal heat to dry motherboard. Still problem not solved check keypad ic or change it. Last and final solution for that is jumpering, See diagram below and make jumpers like diagram below with good jumper wire.
Nokia X3-02 keypad solution
Nokia X3-02 Keypad ic Problem Solution

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