This Was a 64GB SD Card That Our Customer Had Brought To Us For Data Recovery ,According To The Customer When He Was Inserting The Card Into a Card Reader It Would Say " Format The Card " .He Was Wise Enough Not To Do This And Got The Card To Our Ludhiana Data Recovery Branch Office In Feroze Gandhi Market .Upon Instection We Figured It Out That The Card Was Logically Damaged And Thankfully It Was Not a Physical Case As I Was Assuming  ,One Amazing Thing I Noticed Was That There Was No Indication Of Any Voltage Drop In The GND And VCC Section Of The Card When Tested With a Multimeter In Diode Mode But Still It Was Detected To Full Capacity " Never Seen This Before  " .We Managed To Recover 100% Of All The MP4 That Were Required By The Customer  .We Inspected Each Recovered MP4 And Everyone Was Playing OK  .Thank You For Giving Us The Opportunity To Complete Your Case  .