Sd card dont function

Apr 26, 2010
4,335
258
83
Visit site
Welcome to AC!
What exactly is your issue?
Have you tried formatting the card in the phone?
Is the card not compatible with the S3? For instance, I don't think a 256gb card works in the S3.
 

B. Diddy

Senior Ambassador
Moderator
Mar 9, 2012
165,541
4,675
113
Visit site
Welcome to Android Central! Many more details are required for us to give you a useful answer.