1. GS4Bob's Avatar
    I have 64gb card in my GS4 and setup a sync program on both my PC and GS4 to keep music files synced.
    Today I ran the sync to add six music mp3 files to my GS4 card. This is done via wifi and took only a few seconds to accomplish. After the transfer I opened the music player and could not see the new music files? I then went to file program and it showed the files were present. So, I did a restart and when the os was loaded I noticed an alert. Checked and it said my card was damaged! Yikes...this is a new replacment card from Sandisk. I went to "storage" section of the settings and noticed the card was unmounted. After mounting the card, I checked the files and they were all present!
    What am I doing incorrectly to have this happen? Note: this is the second time this has happened..first I did a reformat and recopied all files again from the pc to the phone/card.

    32GB GS4 via Android Central App
    06-08-2013 07:53 PM
  2. friedtators's Avatar
    One thing that can cause that is if the card is not tight in its place. The card of course is plastic so I would look at the card for an answer not the phone.
    06-08-2013 08:15 PM
  3. GS4Bob's Avatar
    http://forums.androidcentral.com/sho....php?p=2846406.

    Another person is reporting the same thing with a damaged Sandisk card.
    If this is a Sandisk issue that was supposedly fixed...cards last year were having problems.


    Sent from my SAMSUNG-SGH-I337 using Tapatalk 2
    06-08-2013 10:05 PM
  4. GS4Bob's Avatar
    SD card removed unexpectedly error - Galaxy S3 Discussion - TeamUSCellular

    Samsung Galaxy S3 fault is caused by SanDisk memory cards | CNET UK

    http://forums.androidcentral.com/spr...ml#post2492069

    Supposedly SanDisk corrected a manufacturing problem and new cards are ok. Mine was replaced and a new one installed about a week ago...still issues!

    Bottom line....if it is a SanDisk get a different brand!
    06-09-2013 08:29 AM
  5. GS4Bob's Avatar
    After two Sandisk cards not performing I ordered a Kingston 64gb c10 microsdcard and will report back on any issues.
    06-09-2013 09:35 AM
  6. zyzzyx's Avatar
    I switched from a Sandisk SD Card to a Samsung card and have not had any problems so far (a bit over a month).

    Edit: I clicked a link that lead to this thread. I have an S3 not an S4 if that makes a difference.
    06-09-2013 10:54 AM
  7. GS4Bob's Avatar
    I switched from a Sandisk SD Card to a Samsung card and have not had any problems so far (a bit over a month).

    Edit: I clicked a link that lead to this thread. I have an S3 not an S4 if that makes a difference.
    Good to know...Sandisk is more prevalent due to more sales probably so we hear more about them. But have not seen much about other make cards having issues so it just may be an issue with Sandisk. I hope the Kingston I ordered works out.
    06-09-2013 12:15 PM
  8. GS4Bob's Avatar
    After two Sandisk cards not performing I ordered a Kingston 64gb c10 microsdcard and will report back on any issues.
    I received my Kingston 64gb card today, and replaced the Sandisk.
    Copied all music to the card from my PC ... no issues.

    Turned off the phone for about 15 minutes and reboot.

    Got the notification on boot that the sd card was damaged!

    So, not the card causing the problem in this GS4.

    I had to go to settings and found the card was not mounted...remounted and fine...been there before.
    06-13-2013 08:04 PM
  9. angkiperdana's Avatar
    Guys,
    I googled and I found your posts here.

    Just had the same problem with my V-Gen 32 GB. It mounted and unmounted automatically almost every 3 hrs.
    It would drained my GN2 battery 2x faster than what it usually had 5 months ago. I suppose this had something to do with an update.

    So, as a precaution before the 32GB toasted, I bought 64GB Kingston.

    I put around 30GB data on the new one, and half of them cannot be read. I erased the data again and push 60GB of data (mostly video) and in 30 minutes my new SD toasted.

    So, I went back to my old 32GB, formatted with Windows 7 and formatted again with my GN2, put some 5GB pics and videos. Lasted for about 8 hours. And toasted after taking some photos.

    Hypothetically, this has something to do with Media or Data that continuously read on SDCard and perhaps JB couldnt handle them very well, since I read somewhere that JB treated external SD Card differently with ICS.

    Just sharing guys. Also ,I need some therapeutic writing after losing 2 SD Card in 3 days.
    06-25-2013 10:49 PM
  10. GS4Bob's Avatar
    I am having success with my Kingston 64gb card. About the only time I have to "mount" the card is if I move, change files on it. If I don't make any changes no issues. If I do then usually I'll get the "damaged sdcard" .... just mount...done.

    I only format my card via the phone formatting option....not using the PC win 7 formatting.
    06-26-2013 08:44 AM
  11. ihbsbA's Avatar
    I got this error today - I went to storage in settings and chose to mount the card again. Worked - everything is there.... It's not damaged.

    Sent from my Galaxy S4
    Formerly "Evo_Girl"
    06-26-2013 02:13 PM
  12. zyzzyx's Avatar
    My 32 GB Samsung card is still working fine after about 2 months. I'm upgrading to a 64 GB Sandisk card (because it was cheaper and I want more storage) but if I have a problem, I'll go back to the Samsung.
    07-05-2013 07:08 PM
  13. Marck527's Avatar
    No problem with my Samsung class 10 32 gb card here. I intentionally bought a Samsung branded one because before I bought my s4,i was reading about problems like this about SanDisk cards.

    Sent from my GT-I9500
    07-05-2013 07:26 PM

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