1. Shmulik Katz's Avatar
    I has a galaxy 4 like 2 month with my micro sd of san disk 16gb class 4 it work perfect for me and I decide to purchase a 64gb from ebay I bought a samsung card 64gb class 10..and now start the problem
    I insert the card to phone and it ask me to format it..I did it and after format I see in available free storage is 0.0 I take it out and format in comuter to fat32 ensure that is writeable and put it my phone I can see the card and I can see what have in it but when I try to move/copy some thing to the card from phone its give me a pop up message "the move/copy canceld"
    So I take it out and put on my tablet and its work perfectly I try a few day to find a some solution in few form but not see some one with problem like mine

    tanks for all who reading and I hope some one can help me
    11-18-2013 03:21 AM
  2. mrsmumbles's Avatar
    Hi, there are a lot of fake cards sold on eBay, even from high rated sellers.

    I understand there are also issues with cards in the S4 but first I would look for the threads on fake cards.

    Sent from my LG870 via Tapatalk 2
    11-18-2013 04:42 AM
  3. Shmulik Katz's Avatar
    Hey before thanks for replying my post.
    I agree with you there has a lot of fake card, but I dont think mine is fake and I explain why.

    When I got it I try it on the galaxy s4 after I make format with the phone and see it not work I formated it again with my pc and put it back. After put it back available to see the storange capacity and available to see content in the card and play it..but the problem is just I can't WRITE to sd card from the galaxy s4.
    So I try to test it with my other devices (galaxy s1, galaxy young, asus transformer) and I got it worked perfectly with this devices I can write and delete.
    So I think the card is ok.
    And i no have the unmounted issues like other people tells in the forum..

    Posted via Android Central App
    11-18-2013 05:17 AM
  4. Shmulik Katz's Avatar
    Some one else have maybe an idea to solution this issue?

    Posted via Android Central App
    11-18-2013 09:27 AM
  5. mrsmumbles's Avatar
    It's only me again but the thread can be bumped up if this doesn't work. I'm wondering if you could copy files to the card using ES File Explorer? You can download it from the Play Store.

    It's worth a try. Good luck.

    Sent from my Nexus 5 using Tapatalk 2
    11-18-2013 01:33 PM
  6. Shmulik Katz's Avatar
    Tanks again for you reply and yes I try almost all file manager like es, root explower and nothing its poping up the operation faild..I can't understand whats the problem.
    with my 16 gb class 4 its work perfectly but with 64 gb class 10 its wont to write to the card..

    Posted via Android Central App
    mrsmumbles likes this.
    11-19-2013 01:20 AM
  7. mrsmumbles's Avatar

    Sent from my LG870 via Tapatalk 2
    11-19-2013 10:30 AM
  8. Shmulik Katz's Avatar
    I think is the problem with galaxy s4 recognize the 64 gb sd class 10 maybe some other class of 64gb card can work I cant chek this because I will not purchase another card I am dont whant to lose more 30$ if some one have other class to chek so we can know if the problem is in the class of the cards

    Posted via Android Central App
    11-19-2013 12:13 PM
  9. Shmulik Katz's Avatar
    I think the problem is with the class of the card if some have other class of 64gb card and can write on him so the solution is the class.

    Posted via Android Central App
    11-19-2013 12:17 PM
  10. mrsmumbles's Avatar
    Here's someone's post on a different site explaining how to verify whether a Sandisk card is genuine.


    I would think you could do the same for Samsung card on Samsung web site.

    Sent from my LG870 via Tapatalk 2
    11-20-2013 12:41 AM
  11. Shmulik Katz's Avatar
    Its show that my card is orginal can this be because the class of the card or because the version of android 4.2.2
    In my other device have android 4.1.2

    Posted via Android Central App
    mrsmumbles likes this.
    11-20-2013 02:06 AM
  12. mrsmumbles's Avatar

    Sent from my LG870 via Tapatalk 2
    11-20-2013 04:48 PM
  13. Rukbat's Avatar
    The "class" of an SD card is the speed of the card. Class 10 is the fastest cards made (and are faster than most cellphones).

    Unless you bought the card from Samsung themselves (their own website), it could be a Chinese fake. $30 for a 64GB card sounds a bit cheap.
    11-20-2013 08:56 PM
  14. Shmulik Katz's Avatar
    Yea its cheap but if it was a fake so It wouldn't work pretty in any device.
    But in my case is dont work only with the s4 ..
    With my all other device its work perfect
    And the problem its not like others have its not unmouting the card its only not give the s4 write on it..

    Posted via Android Central App
    11-21-2013 05:16 AM

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