As in above diagram you can see there are a few different color lines that show sim function track and path. After dis assembly clean all these parts with electronics cleaner and apply smooth heat so that it can be dry completely.
Check all these tracks and apply jumpers if any of them is missing. A zoom image of each sim is also given so that you can learn how to short sim ic. Jumper solution for Sim ic. How to Solve Insert sim problem in Nokia X2-02 without sim ic.
for more detail and new tips and tricks about cellphone service problem keep visiting this page we will update cellphone service diagrams timely with new cellphone diagrams.some related post are also given bellow you can read them also for more information about cellphone.
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