iPhone 2G 3G Sim Jacket Jumper Ways Solution
https://gsmfixer.blogspot.com/2015/11/iphone-2g-3g-sim-jacket-jumper-ways.html
Sim card problem in iPhone 2G and 3G is due to the damage points in sim jacket. So use the multimeter to trace the damaged
points and make the jumpers as shown in the hardware repairing diagram. Make sure that there is no corrosion on the board due to water contact. Here is iPhone 2G 3G Sim Jacket Jumper Ways Solution Tested.
