Nokia C2-02 Insert sim ways problem solution jumpers

Problem:-
Nokia C2-02 insert sim problem, Sim is not working in Nokia C2-02, Sim is not Valid, Single Sim is not working in Nokia C2-02
Tools:-
Nokia T4 and T5 key, Electronic meter, Electronics Cleaner, Hot Air, Solding Iron, Jumper Wire.

Diagnostic and Solutions.
if sim is not working in Nokia C2-02 is can be cause of water damage or missing components. Use different sim and if sim is not working then de assemble Nokia C2-02.
Once Mobile phone is disassemble check all these parts that are given in above diagram and apply electronics cleaner. Apply hot air so that it can be dry but not to much because it can damage the mother board or may can harm your skin.
these different color lines are indicating different path and tracks that are used in sim function in Nokia C2-02 so if nay of them is missing apply that jumper as shown in diagram to solve insert sim problem in Nokia C2-02
If single sim is not working out of these two you can only jumper those parts that are used by it. And to find prints and track you can see above diagram.