Nokia Lumia 520 Insert Sim Solution Jumper Ways
https://gsmfixer.blogspot.com/2016/03/nokia-lumia-520-inser-sim-solution.html
Before you repair Nokia Lumia 520 InsertSim problem please do these simple things like check your sim card is working in an other phone, check is there any damage in the sim card jacket, check that your phone is not on offine mode. If every thing is ok then you have to repair your Lumia 520 by making jumpers as shown in the diagram picture.
Lumia 520 Sim Card Not working solution can be obtained by tracing the points as shown in the diagram and making jumpers to complete the lines. After this process the Lumia 520 Sim card problem will be solved.
Lumia 520 Sim Card Not working solution can be obtained by tracing the points as shown in the diagram and making jumpers to complete the lines. After this process the Lumia 520 Sim card problem will be solved.