Nokia X2-02 Dual sim problem, Nokia x2-02 sim not valid problem.
Solution:In diagram you can see there are multiple lines with different colors that are indicating different sim points and there path to different parts you can check these path and if any of them is broken then you can make jumpers to them. if any part is not at the same place and have broken due to water damage or something else then you can see some points can also be scratched. So scratch them slightly and make jumper at that points.
Nokia X2-02 Dual Insert Solution
Nokia X2-02 Sim Jacket Ways Jumper