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Micro SD Card Issue

im having an issue all of a sudden where the external sd card wont delete anything i tell it too. i mount it to the computer and delete things that way and copy things on but when i disconnect everything is like it was nothing happened.
also formatting it in setting via storage did nothing all the files are left in perfect order
Ive even mounted to the computer, formatted in MY COMPUTER and it says its completely empty. Then i unmount it and guess what nothing was touched. can someone please help
I take that back even deleting within my files does nothing.
I just stuck in my sandisk 16gb class 4 and it isnt having any issues so it must be the 32 gb sandisk class 4 is the card messed up?
I'm using it with a skyrocket and im on skyics with the latest base. I'm posting here because this card has been in many other phones and never had an issue till now

pwnerman-
Reading your description of the issue .. have you tried physically removing it from the phone and inserting (either by adapter or multimedia slot as most computers have now-a-days) directly to your computer ?
Meaning .. have you tried doing this without it being in the phone ?
Yes .. I snapped at you in the thread and I apologize .. with all the BS going on in there, more and more people are getting on edge.
My answer in the thread also stands in regards to how the card is formatted. I honestly do not know your experience with computers .. thats why I threw it in there.
I have a Sandisk 64GB card in my Skyrocket running Seans latest ROM .. only way I could format my card FAT32 was actually using a single command line program called "fat32format.exe" .. and with ALL of Seans ROM's, I have never had any issues with SDCards at all.
Here is my original thread about the Sandisk 64GB http://forum.xda-developers.com/showthread.php?t=1586295

I've done everything but attaching it directly to the computer because I have no adapter to do so. I bought one of the cheap dollar ones on Amazon a few hours ago. I've used that card in like 10 phones on triple as many roms and never had a issue till now. I do think it could be a Rom issue because the other Guy was having issues and this was the first time I did anything on the card since switching to the 4.0 skyics Rom.
I even put it in my captivate and it wouldn't even format in recovery mode. So I honestly don't know considering it wont work in the captivate either
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2

I have the same problem do you resolve it?

atti12 said:
I have the same problem do you resolve it?
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Remember your 5 year warranty. I got into contact with them via chat and they are sending me a new one
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2

[Q] 64GB MicroSD Woes

Hello everyone. I have been having issue after issue with this 64GB MicroSD I got recently. I bought it at a local Best Buy the other day (there was a sale going on; $49). It is a SanDisk 64GB Class 10 MicroSD. I got home and formatted the card. I formatted it in FAT32 with the HP USB Format Tool that I always use for SD cards. Well, the moment I put it in, it said that it was damaged (occasionally said that it was blank). I tried removing it and reinserting it, and the same thing. I have tried putting it in a different GSIII as well as a Droid Razr, and same. I tried reformatting with the same tool, but this time doing a long format. Same problem. I also tried EaseUS Partition Master. Same problem. I have also tried using a live build of Parted-Magic. Same problem.
I am starting to think that the card is a dud, except for two things:
1: It works fine in my PC. It reads the exact amount free, it shows all of my files, and it let's me play them with no issue.
2: It shows up in Clockworkmod just fine. I can back up to it and flash from it with no problem.
I am really just left here scratching my head as to what the problem could be. I made sure that all of the settings are correct each time I formatted it. I have tried switching ROMs and still get the same problem. I have tried just about everything that I can possibly think of to get this card working. I am hoping that someone can help me with my problem.

You can call them and they will send you a new one, I did it about a month ago.
I was having similar problems.
Sent from my SCH-I535 using xda app-developers app

Do you think it is a problem with the card? If so, I am still within my return limit at Best Buy. I can just take it there instead of waiting on a replacement. Just wasn't sure if it was the card or something I was doing.

It's a problem with the card. I had the same problem with a 32Gb card from Sandisk. Files could be seen for a day and then disappear! I could tell the camera app to save to the card and that would also work for a while only. Fo/ders create on the card via the computer would do the same. In one situation I created a folder on the PC, copied a film to it, viewed the film in my phone add took some still from the film. The next day the film and folder was gone put the still -stored on the internal memery- were still there.
Contact sandisk. They must be aware of the issue.

stompysan said:
Hello everyone. I have been having issue after issue with this 64GB MicroSD I got recently. I bought it at a local Best Buy the other day (there was a sale going on; $49). It is a SanDisk 64GB Class 10 MicroSD. I got home and formatted the card. I formatted it in FAT32 with the HP USB Format Tool that I always use for SD cards. Well, the moment I put it in, it said that it was damaged (occasionally said that it was blank). I tried removing it and reinserting it, and the same thing. I have tried putting it in a different GSIII as well as a Droid Razr, and same. I tried reformatting with the same tool, but this time doing a long format. Same problem. I also tried EaseUS Partition Master. Same problem. I have also tried using a live build of Parted-Magic. Same problem.
I am starting to think that the card is a dud, except for two things:
1: It works fine in my PC. It reads the exact amount free, it shows all of my files, and it let's me play them with no issue.
2: It shows up in Clockworkmod just fine. I can back up to it and flash from it with no problem.
I am really just left here scratching my head as to what the problem could be. I made sure that all of the settings are correct each time I formatted it. I have tried switching ROMs and still get the same problem. I have tried just about everything that I can possibly think of to get this card working. I am hoping that someone can help me with my problem.
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I had so many problems witj mine i ended up flashing my phone clean and using the phones to format and transferring everything via usb cord and its working just fine now I think the big deal was a clean install
Sent from my SCH-I535 using xda premium

OK. I went to Best Buy and exchanged it the other day (lucky I bought it when I did; they marked it up to $99!). I am still having the same problem. I am not sure what I am doing right. I have been formatting and copying the files while it isn't in my phone. I am using my card reader in my desktop. Could this be the problem? Am I able to format it while it is in the phone without using the phone's format tool?

First you use the tool to format the card to fat32. Once you do that you are to install it to your phone then use the phone to reformat the card again so the phone can use it. Card will have issues with phones when you format it with the tool. Your suppose to format it with the phone as well after for it to properly work. Good luck
Sent from my IceCold 8.8 Inspire

Just thought I should post on here and let you all know what my problem was. I got it all sorted out and Play Music is showing all of my music. My problem was that EaseUS defaulted the partition as a "logical" partition. This was leaving about 75MB unformatted, and Android didn't know how to handle that empty space. After changing that to a "primary" partition, I have not had any problems. Serious derp on my part. Lol
Sent from my SCH-I535 using Tapatalk 2

I found that if you format the card from in the phone and then transfer data, you shouldn't have any issue.
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[Q] TF101 keyboard dock SD reader issue: "SD card damaged"

Asus Transformer TF101 16g / 1.5ghz overclocked
EOS 4.2.2 Jellybean / "Preview" version #B185
Kat Kernel #97 / Kat App
I have searched high and low on the issue, some reports of it from other users but no resolution. I would post in development forum but i'm not allowed to as a newbie.
When I insert a working SD card (FAT32) (verified on windows 7 PC, I have tried multiple cards) the notification appears "SD card damaged".
I keep updating the JB ROM and Kat Kernel to latest hoping it will go away but issue remains.
On earlier versions of ROM the SD card in dock was working fine, I have lost track of when the problem appeared because i don't use the SD card reader in dock very often.
I have tried a few tips I found in the forum like blowing air in sd card slot, reformatting card in different ways eg NTFS, doing a block check and fix errors in windows but nothing works.
I have seen others report the exact same problem but hasnt been picked up by developers yet as far as I can tell.
Anyone?

Happened to me. I bought a new card and put the "damaged" card (that worked in Windows but no other OS) in my camera. Both work fine.
I can't explain it but it's probably really damaged.

Lethe6 said:
Happened to me. I bought a new card and put the "damaged" card (that worked in Windows but no other OS) in my camera. Both work fine.
I can't explain it but it's probably really damaged.
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Thx for reply, i did try like 6 different cards and all the same, I feel sure its a software issue and not card or hardware. The symptoms I found are identical to reports i saw in the EOS4 JB thread but the posters didnt get a conclusive answer either yet, eg
http://forum.xda-developers.com/showthread.php?p=38114720&highlight=damaged#post38114720

[Q] SD card just died

I've had a 32 gig micro SD in my phone for a while now. I recently took my Siii out of my pocket only to find that it says the SD is unmounted. Odd, but not unheard of in the world of custom roms (paranoidkangdroid 2.something, rather recent though, 4.2.2 JB) So i do the sensible thing: Run into the storage menu, and lo and behold, its not registering. I pop it out and in, not registering. I reboot, and the damn thing still isn't registering. Then I take an old 2 GB micro SD and try it. This one worked just fine. 32 gig however does not. I move to my PC. Pop it in a micro to regular SD adapter, and the computer doesn't mount it. It does mount every other microSD of mine though. So can anyone tell me what the hell happened, and how I can recover my stuff?

Actually you can't, your sd card is corrupted and it's known to happen with this device that's why I always keep a weekly backup on my computer with everything. Especially the ones ordered from amazon the high capacity ones as far as I've seen.
Sent from my SCH-I535 using Tapatalk 2

Addiso said:
Actually you can't, your sd card is corrupted and it's known to happen with this device that's why I always keep a weekly backup on my computer with everything. Especially the ones ordered from amazon the high capacity ones as far as I've seen.
Sent from my SCH-I535 using Tapatalk 2
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Well ****. I guess you're right, it just showed as unsupported file format.

nrock2256 said:
Well ****. I guess you're right, it just showed as unsupported file format.
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Yeah I had actually a 16 gb one die on me, ordered me a 32- one and has been running good so far..
Sent from my SCH-I535 using Tapatalk 2

Addiso said:
Yeah I had actually a 16 gb one die on me, ordered me a 32- one and has been running good so far..
Sent from my SCH-I535 using Tapatalk 2
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And now its not. This is frustrating. I don't want to spend money on a new card dammit.

Try booting a linux live cd and see if you can save anything, thats how I recover deleted tomtom maps in the past.
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Addiso said:
Actually you can't, your sd card is corrupted and it's known to happen with this device that's why I always keep a weekly backup on my computer with everything. Especially the ones ordered from amazon the high capacity ones as far as I've seen.
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Is the SD card damaged or can it just be reformatted with a card reader on a PC (fat I am assuming)?
I was about to start using an SD card to backup the internal storage. It doesn't sound like this is the best option and backing it to my PC would be better.

My set up to start was cleanrom 6.2 with envy kernel running fine for a week. I had my sd card disappear today twice. PNY class 10 32gb less than 2 weeks old from best buy. Popped it in my pc and it was recognized no problem. So I transferred my data, formatted in fat 32 popped it in phone, no problem. Transferred data back and was Ok for a few hours. Swapped my battery for a freshly charged one and upon boot, phone said the card was damaged, to reformat it. So, I pulled it out and popped it in my pc. Pc said card was damaged. I opened a command prompt and ran a chkdsk /f and it fixed an issue with the file system. I then proceeded to restore my cleanrom 6.2 backup. So far so good. I am thinking it had to do with an app, but I can't be sure. Upon googling this, it seems that some people have had an issue with external sd cards with this phone.
Sent from my ASUS Transformer Pad TF300T using xda premium

nrock2256 said:
I've had a 32 gig micro SD in my phone for a while now. I recently took my Siii out of my pocket only to find that it says the SD is unmounted. Odd, but not unheard of in the world of custom roms (paranoidkangdroid 2.something, rather recent though, 4.2.2 JB) So i do the sensible thing: Run into the storage menu, and lo and behold, its not registering. I pop it out and in, not registering. I reboot, and the damn thing still isn't registering. Then I take an old 2 GB micro SD and try it. This one worked just fine. 32 gig however does not. I move to my PC. Pop it in a micro to regular SD adapter, and the computer doesn't mount it. It does mount every other microSD of mine though. So can anyone tell me what the hell happened, and how I can recover my stuff?
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I'm not sure exactly what brand or model you have for your SD card or when you purchase it. However if its a SanDisk and it was purchased before December 2012 there's a chance that it was part of a bad batch. I had the exact same problem with mine I have a UHs 1 32 gig SanDisk. I read somewhere on the internet that there is a known problem with SD cards from that company built before December. When I spoke with SanDisk they confirm that and said the newer batches have been corrected. Long story short if you're using an ultra high speed or for that matter any card by SanDisk call up there customer service explain to them the problem and they will send you a brand new one. The entire process took about a week for me.
Sent from a Shaftamle Galaxy S3
Please hit the "Thanks" button if I helped you!

Did you try my suggestion? Ive recovered numerous files using a linux live cd and/or a mac. Try putting the card in a network printer or mem card reader if linux and mac os isnt possible. Ive recovered my files, including those from a 16gb micro sd card, using those methods in the past.

Okay, so it works
Alright alright, i didn't expect this to get many responses. Anyway, it now works. It appeared to be fried, my mac, PC, ubuntu machine, and OG droid wouldn't even recognize that a card was inserted. Nor would my GS3. My solution? after turning it on and off a few times, I just left the card in it and set it aside for an hour. Lo and behold, it now works. The SD now works. It was fried, and is now unfried. I don't know how, I just guess I am lucky. Or aliens. Either way, I am happy. Not gonna jeep anything more than music on it though... Ah well, thanks for the help XDA!

If I were you, I'd back up everything on that card to my pc, and exchange it if under warranty. If not, chuck it, and purchase another card.
Not worth taking the risk again.
Consider yourself lucky so far

nrock2256 said:
I've had a 32 gig micro SD in my phone for a while now. I recently took my Siii out of my pocket only to find that it says the SD is unmounted. Odd, but not unheard of in the world of custom roms (paranoidkangdroid 2.something, rather recent though, 4.2.2 JB) So i do the sensible thing: Run into the storage menu, and lo and behold, its not registering. I pop it out and in, not registering. I reboot, and the damn thing still isn't registering. Then I take an old 2 GB micro SD and try it. This one worked just fine. 32 gig however does not. I move to my PC. Pop it in a micro to regular SD adapter, and the computer doesn't mount it. It does mount every other microSD of mine though. So can anyone tell me what the hell happened, and how I can recover my stuff?
Click to expand...
Click to collapse
So I have had my sd card corrupt a few times now, so far this has seemed to help me recover my data.
http://www.cgsecurity.org/wiki/TestDisk_Download

The problem could be a sandisk SD card:
(Outside link) crave.cnet.co.uk/mobiles/samsung-galaxy-s3-fault-is-caused-by-sandisk-memory-cards-50010684/
I read about the SD problems after just getting the S3.. decided to get a different brand card from the store.

[Q] 32 gig SD card dead?

Hey guys, would appreciate if someone could give me some help on an issue I'm having with a 32 gig SD card (SanDisk Class 10 bought at Best Buy so it's definitely legit). Anyway it worked great for a long time, however, recently I tried to use the Gremlin Remover on my phone, it crashed and burned in the middle of the process as I've heard can often happen with Gremlin Remover. I did a restart, and after that problems began to appear with my SD card. Almost all the data on it disappeared and it started to constantly mount and dismount from the phone. I thought it might have just been the failed Gremlin Remover run, so I reformatted it in Windows, put Gremlin Remover, black hole system wipe, and my ROM back on and did a complete wipe and restore of the phone, card seemed to be working okay, but then the next day it started dismounting and saying it had been unexpectedly disconnected again. Now I can't get the phone to recognize it at all so I can't connect it to Windows to get it formatted. The strange thing is that my tablet (Asus Transformer TF300) can mount the card and read the data on it. However I can't reformat from the Asus since it won't mount as USB storage in Windows. Is it probable that the card is completely fried? Or does it maybe just need a good reformat? If a reformat would fix it, how would I go about doing it? Is it possible to reformat through terminal commands? Or some other way? Anyway thanks in advance for any help.

I too have a Sandisk class 10 uSD card that just recently failed on me. It started losing files one night, then it stopped mounting. Now it just shows up as a 30-something MB drive that I can't format. I have tried many methods of restoring it to no avail.

Maybe try to format it using external sd card reader? microsd to sd?

I think there's a known issue with these cards. I bought one of these a couple wks ago from a deal posted on slickdeals.
I haven't had any problems with mine but after the purchase I started reading comments in the thread about how these cards are known for mount/dismount trouble and high failure rates. I believe in still under my return period with Amazon so I've been debating exchanging it for a different brand like Samsung. Sorry, I'm at work posting on my phone so I can't post a link.
Sent from my SAMSUNG-SGH-T769 using xda premium

theprogram1 said:
Maybe try to format it using external sd card reader? microsd to sd?
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This has already been tried, without any luck. I tried to format via Disk Utility on Mac OS, numerous drives tools under Windows, and gdisk under Ubuntu, and nothing will revive it. Zed's dead.
Chitown021 said:
I think there's a known issue with these cards. I bought one of these a couple wks ago from a deal posted on slickdeals.
I haven't had any problems with mine but after the purchase I started reading comments in the thread about how these cards are known for mount/dismount trouble and high failure rates. I believe in still under my return period with Amazon so I've been debating exchanging it for a different brand like Samsung. Sorry, I'm at work posting on my phone so I can't post a link.
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I too saw a number of reviews that noted the same type of failure, so I may end up giving another brand (like Samsung, as you suggested) my business. Sandisk does not seem to want to take any responsibility for my uSD card failing after only 8 months of normal use.

namaui said:
I too have a Sandisk class 10 uSD card that just recently failed on me. It started losing files one night, then it stopped mounting. Now it just shows up as a 30-something MB drive that I can't format. I have tried many methods of restoring it to no avail.
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Same thing happened to me when I tried to format. Been meaning to thank you guys for all the comments, good to know it's not just me. Anyone have luck with RMA's?