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  1. Thread Author  Thread Author    #1  
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    Default Micro SD unmounted itself

    I have my phone setup where all pics that I take are stored on my micro sd card. Earlier today, I took around 5-6 pictures and sent them via text back to back (was trying to help wifey find the right product)

    A few minutes later, my phone got really sluggish and soon right after, I get a message stating that my micro sd card was unmounted. Then it mounted itself back. Any idea as to why?

    I then went into settings, unmounted, got the confirmation that it unmounted successfully and I opened up the back, took the card out and inserted it back a few seconds later.

    Haven't had problems since, but just curious if this happens frequently. FYI - I'm a new droid user migrating from an iPhone 4. Thx!

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    Samsung Galaxy S4 (AT&T)
  2. #2  
    Golfdriver97's Avatar

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    Default Re: Micro SD unmounted itself

    Quote Originally Posted by Dru419 View Post
    I have my phone setup where all pics that I take are stored on my micro sd card. Earlier today, I took around 5-6 pictures and sent them via text back to back (was trying to help wifey find the right product)

    A few minutes later, my phone got really sluggish and soon right after, I get a message stating that my micro sd card was unmounted. Then it mounted itself back. Any idea as to why?

    I then went into settings, unmounted, got the confirmation that it unmounted successfully and I opened up the back, took the card out and inserted it back a few seconds later.

    Haven't had problems since, but just curious if this happens frequently. FYI - I'm a new droid user migrating from an iPhone 4. Thx!

    Posted via Android Central App
    This really shouldn't be happening. What brand of SD card did you get? Sandisk has a current recall going for theirs. If this is what you have, you should contact them right away. If not, move all your files off the SD card, reformat it, and replace the files. See if that helps.

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  3. #3  

    Default Re: Micro SD unmounted itself

    Very good advice and would have advised the same fix.
    ~Jag~
    Member Of Android Central & Mobile Nations!


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    Default Re: Micro SD unmounted itself

    Quote Originally Posted by Golfdriver97 View Post
    This really shouldn't be happening. What brand of SD card did you get? Sandisk has a current recall going for theirs. If this is what you have, you should contact them right away. If not, move all your files off the SD card, reformat it, and replace the files. See if that helps.
    I purchased a PNY 32gb. I'll reformat it. Could it be a problem with the phone too?

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    Samsung Galaxy S4 (AT&T)
  5. Thread Author  Thread Author    #5  
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    Default Re: Micro SD unmounted itself

    Forgot to mention. Im using the new S4 with ATT.

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    Samsung Galaxy S4 (AT&T)
  6. #6  
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    Default Re: Micro SD unmounted itself

    Quote Originally Posted by Dru419 View Post
    I purchased a PNY 32gb. I'll reformat it. Could it be a problem with the phone too?

    Posted via Android Central App
    Possible. Try the reformat first. If you are still having problems, call Samsung ASAP. You may also want to inform AT&T, as it may be a bug in the build for that carrier.
    Last edited by Golfdriver97; 05-18-2013 at 09:52 AM. Reason: Additional details

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  7. #7  

    Default Re: Micro SD unmounted itself

    I would bet like golfdriver said that it is the card to be reformated after you remove the media like he said and then make sure you replace the card first before you replace the media so the phone can scan the card, then you can put the media back on. I doubt it is the phone.
    ~Jag~
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    Default Re: Micro SD unmounted itself

    Quote Originally Posted by Jaguarr40 View Post
    I would bet like golfdriver said that it is the card to be reformated after you remove the media like he said and then make sure you replace the card first before you replace the media so the phone can scan the card, then you can put the media back on. I doubt it is the phone.
    Thx for the input!!!

    Posted via Android Central App
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    Samsung Galaxy S4 (AT&T)
  9. #9  

    Default Re: Micro SD unmounted itself

    Quote Originally Posted by Dru419 View Post
    Thx for the input!!!

    Posted via Android Central App
    You are very welcome, Anytime as that what I am here for. Very important like I said to put the reformated card back in the phone for the phone to scan and read it BEFORE you reload your media. Then it is properly mounted.
    ~Jag~
    Member Of Android Central & Mobile Nations!


  10. Thread Author  Thread Author    #10  
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    Default Re: Micro SD unmounted itself

    Quote Originally Posted by Jaguarr40 View Post
    You are very welcome, Anytime as that what I am here for. Very important like I said to put the reformated card back in the phone for the phone to scan and read it BEFORE you reload your media. Then it is properly mounted.
    Should I format the card directly from the phone (under settings) or through my computer?

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    Samsung Galaxy S4 (AT&T)
  11. Thread Author  Thread Author    #11  
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    Default Re: Micro SD unmounted itself

    Quote Originally Posted by Jaguarr40 View Post
    You are very welcome, Anytime as that what I am here for. Very important like I said to put the reformated card back in the phone for the phone to scan and read it BEFORE you reload your media. Then it is properly mounted.
    It hasn't done it since and is working fine now. It only happened once. Should I still format the card?

    Posted via Android Central App
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    Samsung Galaxy S4 (AT&T)
  12. #12  

    Default Re: Micro SD unmounted itself

    Quote Originally Posted by Dru419 View Post
    It hasn't done it since and is working fine now. It only happened once. Should I still format the card?

    Posted via Android Central App
    No I would leave it alone if it only did it once but if it does repeat itself then format on your computer, then reinstall in phone for remounting, scanning and the re add your media. i don't think you will have any further issues. Good luck.
    ~Jag~
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  13. Thread Author  Thread Author    #13  
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    Default Re: Micro SD unmounted itself

    Quote Originally Posted by Jaguarr40 View Post
    No I would leave it alone if it only did it once but if it does repeat itself then format on your computer, then reinstall in phone for remounting, scanning and the re add your media. i don't think you will have any further issues. Good luck.
    Thanks!!! Appreciate the feedback

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    Samsung Galaxy S4 (AT&T)
  14. #14  
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    Default Re: Micro SD unmounted itself

    I contacted Samsung today (06-02-13) and they had me try this:

    1) Remove the SD card and reinsert the card
    2) Perform a soft reset by turning off the handset
    3) Remove the battery and wait for 30 seconds
    4) Reinsert the battery and turn ON the device

    I have a GS4, with a SanDisk 32gb card. Mine would unmount/mount whenever I played music or do any type of file management. So far, it hasn't done it. If it does, I'll try this.

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