Samsung Galaxy Note 2 N7100 Insert Sim Solution Jumper
https://gsmfixer.blogspot.com/2016/03/samsung-galaxy-note-2-n7100-inser-sim.html
Samsung Galaxy Note 2 N7100 Insert Sim problem solution via jumper ways is given in the diagram. Just trace the points as shown in the images and make jumpers accordingly. Mae sure that you have cleaned the motherboard with thinner and removed the water damage. Please be careful and make jumpers correctly.