nokia c2-01 keypad ic jumper
Nokia C2-01 keypad is not working, Missing keys, Duplicate Keys, Keypad Ic Solution, is possible by following a few steps that are provided in this post and image bellow.
If a mobile phone is water damage keys will not work or duplicate keys will be press by a single push. So after dis assemble of Nokia C2-01 keep a look at the whole mother board and apply electronics cleaner and clean it with soft brush.
Apply heat so that the mother board can be dry. Then check all these tracks that are given in above diagram in different colors. If any of them is missing you can apply jumpers. All different color lines are outer and inner point of key pad to keypad ic prints.
You can replace keypad ic and may can apply keypad ic jumpers as shown in above diagram.