Nokia 3500c/3110c Memory Card Not Formatted Problem Fix
https://gsmfixer.blogspot.com/2015/10/nokia-3500c3110c-memory-card-not.html
Here is a solution for Nokia 3500c/3110c Memory Card Not Formatted Problem. If the memory card is nor formatted every time you try then there may be a hardware problem so you can fix it by repairing. Just observe the diagram carefully and make the jumper according the red line mentioned.
