sd card help needed

[mark johnson22]

I saved movies to a lot of different sd cards, once i change the sd card the movies are no longer there. why?

 

[B. Diddy]

Welcome to Android Central! So you mean that if you swap out your SD card #1 with movie "A" on it for SD card #2, and then at some point swap it back to SD card #1, then movie "A" can no longer be located?