Nokia E5 keypad problem solution ways jumpers track By cell firmware

If the keyboard does not work in Nokia c2-01 or a few keys do not work you can solve this problem in a few steps that are defined in this daigaram Beelow that is given in this post.check all these tracks that can be defined with different colors in the chart,

so you can find all the keys inside and outre inner and outers the same color used for the same key colors.it have the same meaning if any button does not work you can change the outer and inner jumper with a different point colore.in same side of diagram you can see the important link that goes to ristance capastor or if the same color is used to them.