How do i decrypt sd card

[AC Question]

Encrypted sd card full of kids photos on galacy s7 edge try to decrypt (yes on phone it was encrypted on ) and nothing happens just says preparing sd card ...unable to open sd card it says ready under storage and is mounted also try to connect usb to computer

 

[B. Diddy]

Welcome to Android Central! Did you happen to do a factory reset of the phone that encrypted the card? If so, that means the encryption key has been lost, and you won't be able to decrypt the card at all.