SD card not recognized data recovery

Case:
Digital camera kingmax capacity 4G card. After inserting into the computer, the SD card cannot be recognized. It is prompted to find the card on the camera

Solution:
Data recovery engineer testing, SD card hardware damage, and integrated packaging, no demolition chip, this situation is very difficult to recover. You need to analyze the contact definition, read the code, and then combine the original file.After a few days of hard work, all of them were finally completed. After verification of customers, all photos were restored