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Help Samsung Galaxy S3 SD Card Issues

S

SpikeInfinity

Lurker
I bought a class 10 64GB SanDisk sd card for my S3. I formatted it using the phone menu. I transferred about 25GB of music to it using a card reader in my PC. I put it in my phone and it works, I can see all the files and I can use music players to play the music.
Frustratingly often however, the music player (and I've tried several) will freeze or crash or otherwise say it can't play the file. When I load up the "MyFiles" app it says there are 0 files on the card and I can't browse to anything on it. However, if I look at "storage" from the main settings menu it shows as mounted, and gives the right figures for total/free space.
If I reboot the phone then it all comes back normally.
Rinse and repeat.

Anybody had this happen to them, or know why it is happening? Is it likely a problem with the phone, or the card?
 
I'm also having the same issue. I'll reboot and it'll work for just a few minutes then all of a sudden it's gone. Any tips would be greatly appreciated. My card is a 32gb class 10 sandisk.
 
Can't really help, but I would suggest you return it as faulty, I've seen quite a few people have varying problems with these cards.

These sandisk cards are junk, mine works in the phone properly but plays up when plugged in to a PC via the phone, a card reader or direct into my laptop. Its not the PC as I've tried my media box and my laptop and a couple of card readers.

First and last sandisk card I buy.
 
Crafty said:
Can't really help, but I would suggest you return it as faulty, I've seen quite a few people have varying problems with these cards.

These sandisk cards are junk, mine works in the phone properly but plays up when plugged in to a PC via the phone, a card reader or direct into my laptop. Its not the PC as I've tried my media box and my laptop and a couple of card readers.

First and last sandisk card I buy.
Click to expand...

If not SanDisk, there is nothing better out there. Try my advice and see for yourself.
 
I've used transcend cards extensively in my cameras and never, ever had an issue and they are much cheaper than Sandisk.
 
I had a sdcard that I had to return. Got the card from BestBuy and one of the "techs" said the card was "too fast" for the phone. Bought another card and it worked fine.
 
Szadzik said:
Try formatting the card to FAT32. You can use GUIFormat for that.
Click to expand...

I used GUIFormat and did a full (not quick) FAT32 format.
The problem still persists, but now when it happens the "MyFiles" app shows no files anywhere on the phone (\mnt is empty) and the MyFiles app crashes.

Doesn't happen quite so regularly though.

Heckle: If your previous card was "too fast", what speed card did you end up buying?
 
stonemill said:
This same issue has been happening to me. Spike, did you ever figure out a solution?
Click to expand...

Unfortunately not. It just became less of an issue as time went on. In the first few weeks of owning the phone I was hitting it with a lot of use e.g. testing lots of music apps and each one wanted to build its own library and I think the card crashes when its hit with a lot of data transfer in a short time. In normal use it it still crashes on the odd occassion but rebooting doesn't take long so I just live with it.

Sorry I can't offer a better solution.
 
Thanks for the info. I've been dumping a lot of files on it as well, so it sounds like that's where the issue is coming up.

Much appreciated.
 
I had the same problem...new 32gig sd card works just fine under windows, but in my Samsung s2,s3, and EVO it says damaged, or unsupported, etc.... I then read on another droid forum about this issue and here is the easy fix! Put your sd card into a usb reader for mem cards etc. You will notice that your card reader has a drive number like G:, or H:, etc... Make a shortcut on your windows desktop and make the shortcut location as (cmd). You may remember that cmd is the DOS-box command line prompt. Now your shortcut to cmd is on your desktop. Right click that shortcut and select "run as administrator". Now at the DOS prompt type
chkdsk <drive letter of the sd>: /r

Let it run through it's checks, etc. Once done just pop your sd card back into your phone and enjoy!
 
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