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Widespread SD Card issue with Samsung Galaxy S3 and Note 2

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Old 24-03-2013, 07:35 PM   #31
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I also hoot samsung in the end now on samsung pro class10 64gb made in korea

quite speedy over made in china sandisk

my transend also corruptrd
is mostly due to copy files and not auto die when in side phone same for my sandisk
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Old 24-03-2013, 07:54 PM   #32
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Haven't seen this but as far as I know all failures reported were SanDisk. I didn't want to take the risk so I got a Samsung 32GB class 10 even though it is more expensive. After 3 months still no issue.
I had a Lexar that died suddenly. It was brought from Convergent at the recent IT Show. I have seen other posts of MSDHC of other brands dying though the most numerous were Sandisk 32GB Class 10.
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Old 25-03-2013, 01:52 AM   #33
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My Note 2 killed 2 Sandisk microSDs.

The first was a brand new 32GB Class 10 that died within a couple of weeks. I bought this specifically for my new Note 2.

I had all my photos and music stored on the microSD and my camera was setup to store photos on the microSD card.

I started noticing problems during the 1st week when my music player's Playlist will not remember any songs. I would add songs to it and after a while the songs will disappear. Then I realise the microSD logo keeps appearing in the Notification Bar like it was being "prepared" and getting remounted.

Finally I got an error message telling me SD Card could not be read and asking if I want to reformat it.

After this 32GB died, I plugged in my old Sandisk 16GB Class 4 that I used for more than a year in my Galaxy S2 without any problems. It worked well for a quite a while (slightly more than a month) and I thought it was stable as I thought the problem was with the 32GB Class 10 as I have read about the 32GB Class 10s having problems.

But the 16GB Class 4 finally had problems too when my Playlist again lost all it songs. And I finally got the dreaded error message asking me if I want to reformat my SD Card.

I managed to copy everything off the microSD and actually reformated it in the phone, thinking that a fresh reformat will block out the bad sectors and get it working again. It was stable for a couple of days but alas it didn't last and the dreaded error message appeared again. I reformated but to no avail. The microSD was finally dead.

Ok, for those folks who are saying their 32GB Class 10s are working well, can you please also state how long you have been using them? This will give us an idea what's the typical life span of faulty microSD.

What bugs me why does these SD card only die with the S3 and Note 2?

My old 16GB Class 4 worked well for more than a year with my S2....

For those who are using Samsung microSDs... how long have you been using them so far? Anyone experienced any issues yet? I am considering getting a Samsung microSD.

Any official statement from Samsung on this problem? I notice an earlier post but the advise given doesn't seem to make sense as it advised using Sandisk and avoid Kingston? But majority of folks seem to be having problems with Sandisk?
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Old 25-03-2013, 10:08 AM   #34
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My Note 2 killed 2 Sandisk microSDs.

The first was a brand new 32GB Class 10 that died within a couple of weeks. I bought this specifically for my new Note 2.

I had all my photos and music stored on the microSD and my camera was setup to store photos on the microSD card.

I started noticing problems during the 1st week when my music player's Playlist will not remember any songs. I would add songs to it and after a while the songs will disappear. Then I realise the microSD logo keeps appearing in the Notification Bar like it was being "prepared" and getting remounted.

Finally I got an error message telling me SD Card could not be read and asking if I want to reformat it.

After this 32GB died, I plugged in my old Sandisk 16GB Class 4 that I used for more than a year in my Galaxy S2 without any problems. It worked well for a quite a while (slightly more than a month) and I thought it was stable as I thought the problem was with the 32GB Class 10 as I have read about the 32GB Class 10s having problems.

But the 16GB Class 4 finally had problems too when my Playlist again lost all it songs. And I finally got the dreaded error message asking me if I want to reformat my SD Card.

I managed to copy everything off the microSD and actually reformated it in the phone, thinking that a fresh reformat will block out the bad sectors and get it working again. It was stable for a couple of days but alas it didn't last and the dreaded error message appeared again. I reformated but to no avail. The microSD was finally dead.

Ok, for those folks who are saying their 32GB Class 10s are working well, can you please also state how long you have been using them? This will give us an idea what's the typical life span of faulty microSD.

What bugs me why does these SD card only die with the S3 and Note 2?

My old 16GB Class 4 worked well for more than a year with my S2....

For those who are using Samsung microSDs... how long have you been using them so far? Anyone experienced any issues yet? I am considering getting a Samsung microSD.

Any official statement from Samsung on this problem? I notice an earlier post but the advise given doesn't seem to make sense as it advised using Sandisk and avoid Kingston? But majority of folks seem to be having problems with Sandisk?
My Sandisk 32GB Class 10 lasted about 4 months before getting the "dismount on wake" error. I bought it when I bought my S3 LTE.

My Lexar 32GB Class 10 lasted less than a week before I suddenly got a message that it was damaged and I have to reformat it.

Strangely enough, my Sandisk 16GB Class 4 that is about a year old is still working well.
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Old 25-03-2013, 11:14 AM   #35
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I have been using sandisk 32gb class 10 for over 4 months. Since 2 weeks ago, i began to notice the card unmounting issue, and the media scan wakelock kept draining my battery. I have about 18gb worth of MP3. The issue stopped after i removed my microSD card.

For those using Samsung card, does it drain your battery?
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Old 25-03-2013, 11:34 AM   #36
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I have been using sandisk 32gb class 10 for over 4 months. Since 2 weeks ago, i began to notice the card unmounting issue, and the media scan wakelock kept draining my battery. I have about 18gb worth of MP3. The issue stopped after i removed my microSD card.

For those using Samsung card, does it drain your battery?
It does not matter if you use Sandisk or Samsung. I had used different types of microSD [Sandisk 64gb(Class10), Sandisk 32gb(Class 4 and Class 10) and Samsung 32 Gb (class 10)] and still S3 reported damaged SD card. Currently, my S3 will happily report damaged SD (Samsung 32 Gb) and then it will work when i restart the S3 again.

It is definitely a samsung phone issue and they ought to compensate for the damaged SD card. I am now paranoid to store anything important in the damn SD card cos' S3 will suka suka tell u it is not accessible anymore.
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Old 25-03-2013, 11:48 AM   #37
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My sister got a sandisk class 4 16 gb sdcard and was working fine with her old galaxy S1 for over TWO years until she upgraded to new S3 LTE and after she transfer over the sd card for about 1 month+, suddenly this "mount unmounting issue" pop up... I'm like wtf so I bought her a new 32 gb class 10 for her... now praying... hopefully no problem....if not ah... sandisk really cmi...

PS: the old class 4 16 gb sd card still working fine in my usb thumbdrive only abit slow....
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Old 25-03-2013, 02:06 PM   #38
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mine case is not dismount which corruptrd my card its only when I transfer massive data

when I take out and put on comp to transfer so mine case not as bad
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Old 25-03-2013, 02:14 PM   #39
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My Note 2 killed 2 Sandisk microSDs.

The first was a brand new 32GB Class 10 that died within a couple of weeks. I bought this specifically for my new Note 2.

I had all my photos and music stored on the microSD and my camera was setup to store photos on the microSD card.

I started noticing problems during the 1st week when my music player's Playlist will not remember any songs. I would add songs to it and after a while the songs will disappear. Then I realise the microSD logo keeps appearing in the Notification Bar like it was being "prepared" and getting remounted.

Finally I got an error message telling me SD Card could not be read and asking if I want to reformat it.

After this 32GB died, I plugged in my old Sandisk 16GB Class 4 that I used for more than a year in my Galaxy S2 without any problems. It worked well for a quite a while (slightly more than a month) and I thought it was stable as I thought the problem was with the 32GB Class 10 as I have read about the 32GB Class 10s having problems.

But the 16GB Class 4 finally had problems too when my Playlist again lost all it songs. And I finally got the dreaded error message asking me if I want to reformat my SD Card.

I managed to copy everything off the microSD and actually reformated it in the phone, thinking that a fresh reformat will block out the bad sectors and get it working again. It was stable for a couple of days but alas it didn't last and the dreaded error message appeared again. I reformated but to no avail. The microSD was finally dead.

Ok, for those folks who are saying their 32GB Class 10s are working well, can you please also state how long you have been using them? This will give us an idea what's the typical life span of faulty microSD.

What bugs me why does these SD card only die with the S3 and Note 2?

My old 16GB Class 4 worked well for more than a year with my S2....

For those who are using Samsung microSDs... how long have you been using them so far? Anyone experienced any issues yet? I am considering getting a Samsung microSD.

Any official statement from Samsung on this problem? I notice an earlier post but the advise given doesn't seem to make sense as it advised using Sandisk and avoid Kingston? But majority of folks seem to be having problems with Sandisk?
Been using my samsung class10 32gb since april last year.
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Old 26-03-2013, 01:24 AM   #40
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happen to me as well, been using memento 32gb class 6 since the launch of Note2. Updated the new firmware last week, then the the standard "SD card removed unexpectedly" popped....
Then the card got fried last week end .....FML
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Old 26-03-2013, 01:39 AM   #41
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i have problems with Sandisk on my S3. then switch to samsung class10 32gb since november last year. no issues so far

Last edited by St00ky; 26-03-2013 at 01:41 AM..
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Old 26-03-2013, 02:25 AM   #42
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Killed my Transcend 32GB too, half yr ago, but that's on note1.
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Old 26-03-2013, 03:11 AM   #43
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By the way i am using Sandisk 64gb class 10 and its Android version, until got now problem.. I used since N2 out.

How come u guys keep on facing so much problem?
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Old 26-03-2013, 07:25 AM   #44
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My gf's mum note 2 memory card also corrupted. Used on htc phone before no problem. Gotta reformat. Jialat sia
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Old 26-03-2013, 09:27 AM   #45
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I suspect the phone is hot n class 10 micro sd is also hot. So it could be heat problem.
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