[Q] Damaged Micro SD card - Epic 4G Q&A, Help & Troubleshooting

Hey guys, I had a question regarding my micro SD card. When I had my phone, it would randomly eject (Alpharom CM10, I believe). About a week ago, my phone broke completely (screen completely black out: the home button & others on the bottom wouldn't turn on), so I just kept the micro SD card to use it for something else later. When I stuck the Micro SD into the adapter & into the CPU, it read the items, but I can't seem to mess with them UNLESS I lock the SD adapter. I can copy them if the adapter is locked. If I unlock it & try to open a file, it freezes the whole CPU for a few seconds while it tries to read it.
I've made sure the Adapter has the Lock switch up while I try to format it. I've attempted to check if it is Read-Only through Computer>SD>Right-click>Properties, but no option that says Read-Only is available. I've downloaded a couple of programs, including the official SDFormatter program & they all say it is still Write-protected. I can't think of any other way to format it. I've even tried the scotch tape over the Lock switch. Maybe you guys can help me out? I wanted to use the SD for a tablet I expect on getting in the near future.

Enfiladedrivein said:
Hey guys, I had a question regarding my micro SD card. When I had my phone, it would randomly eject (Alpharom CM10, I believe). About a week ago, my phone broke completely (screen completely black out: the home button & others on the bottom wouldn't turn on), so I just kept the micro SD card to use it for something else later. When I stuck the Micro SD into the adapter & into the CPU, it read the items, but I can't seem to mess with them UNLESS I lock the SD adapter. I can copy them if the adapter is locked. If I unlock it & try to open a file, it freezes the whole CPU for a few seconds while it tries to read it.
I've made sure the Adapter has the Lock switch up while I try to format it. I've attempted to check if it is Read-Only through Computer>SD>Right-click>Properties, but no option that says Read-Only is available. I've downloaded a couple of programs, including the official SDFormatter program & they all say it is still Write-protected. I can't think of any other way to format it. I've even tried the scotch tape over the Lock switch. Maybe you guys can help me out? I wanted to use the SD for a tablet I expect on getting in the near future.
Click to expand...
Click to collapse
1. You don't seem to talking about our device - there's no "Alpharom CM10" for Epic 4G SPH-D700
2. I have no advice for you apart from buying a new card. Since you can at least copy out data, it'd be best to try a switch. Or why not try luck with another card reader that DIRECTLY reads MicroSD instead of from an adapter...
Sent from HTC Incredible S @ CM10.1

AndyYan said:
1. You don't seem to talking about our device - there's no "Alpharom CM10" for Epic 4G SPH-D700
2. I have no advice for you apart from buying a new card. Since you can at least copy out data, it'd be best to try a switch. Or why not try luck with another card reader that DIRECTLY reads MicroSD instead of from an adapter...
Sent from HTC Incredible S @ CM10.1
Click to expand...
Click to collapse
My bad. I just checked. The ROM is called Avatar ROM.
And yeah, I was afraid of that. Well, who knows what even caused it. The computer won't even allow the "Check for Errors" option. I will most definitely try another card reader when I have the chance.

Check the sticky in General regarding recovering a damaged sd card.
Friendly Neighborhood Moderator

kennyglass123 said:
Check the sticky in General regarding recovering a damaged sd card.
Friendly Neighborhood Moderator
Click to expand...
Click to collapse
I've gone through that sticky (plus others, on here and on other forums) countless times before making the thread. It turns out you can't use the "chkdsk" command on Windows 7. I've also tried formatting from Computer>Right-Click>Manage. The only thing left to do is to try another card reader or buy a new one. Thanks guys.

Related

SD Card keeps becoming unavailable

Has anyone else come across the problem where the micro SD card seems to just stop being available to the phone? I'd say maybe once or so a day, anything that reads data from the SD card, such as the music app, stop working. If I try and play a song, it just hangs and does nothing.
I tried a search and somebody in the G1 forum had a similar problem but it didn't really contain any conclusions on what it is likely to be.
Anyone else had this issue? What is it most likely to be, the phone or card?
Thanks.
yeah I've had this occasionally with the camerea and seperately the 3d gallery software I installed.. have no idea why
Yea I've had that a couple of times actually. Just have to turn it off and on again and its ok, but its annoying.
Yeah, rebooting does sort it out, but it's starting to happen every day now, sometimes a couple times a day. If it's just a dodgy card or whatever I'd rather get T-Mobile to sort it sooner rather than later.
hmm a dodgy card.. included with the phone, that sucks
Backup your SD Card data and then try formatting it to see if that helps.
Cheers, will give that a go tomorrow. I might ring up T-Mob tomorrow anyway just to make them aware of the issue I'm having.
If I format it, will I be able to copy all the contents back on to it?
aljwatson69 said:
Cheers, will give that a go tomorrow. I might ring up T-Mob tomorrow anyway just to make them aware of the issue I'm having.
If I format it, will I be able to copy all the contents back on to it?
Click to expand...
Click to collapse
Yes, back it up to hard drive on your PC, then after you have formatted your SD card, copy back the contents from the hard drive to your Removable disk (SD card).
I've had this a few times Took the card out, reinserted and restarted the phone. Seemed to fix it, but it is annoying.
Sorry I can't remember when and how I know this.
But backup the card on your PC
Then format it in/with the phone and this should solve the problem I believe
I had killed one of my 16 GB card in Nexus one.
I found a problem that if i use Win 7 or Vista i must remove the device by using safely remove the USB device. Since now am doing this way i never had any problem.
Word of warning you could simply kill a card if you just remove a device.
My first thought was it has something to do with the USB connection. If you safely remove device in Windows - the phone 'prepares' the SD card.
I was having the same issue. I connected to the PC and mounted the SD card. I performed a disk check on the card and it found some errors which it then repaired. I then unmounted the card
I haven't had any issues since.
I formatted my card yesterday and haven't had any problems so far. thanks for the advice.
I ended up replacing the card. All of the previous advice didn't work for me or if it did it didn't last. I reckon there was a bit of a dodgy batch supplied by SanDisk.
~Since replacing I've had absolutely no problems whatsoever, it used to happen at least every 48hours. Very annoying when you try to take a photo and it tells you there's nowhere to save it.
I've been having problems too when taking pictures, which is really annoying!
And i'm not sure whether this is a related problem or not, but it could be...when trying to receive a file over bluetooth it sometimes says it doesn't have permission to receive the file or something along those lines, could this be the SD card playing up?
I'm on T Mobile, would they replace the SD card?
Not sure if it is the same reason, but I had all kinds of problems including the one you've described.
I'm on Orange, they told me that my SD card wasn't covered by Orange Care (the orange phone insurance). I said I didn't have Orange Care anyway and that surely it comes under the 12 months manufacturers warranty. They said pop it into the shop which is a bit of a drive and would cost me more than the value of a new card to get there.
At the time I wasn't certain it was the card as I didn't have a 2nd to try it with. Given my problem was very intermittent I decided the bother of going into the shop - it wasn't worth it for a £5 card. Now that I've bought a new one that works perfectly, I'm going to head into the shop with the old one next time I'm passing. The problem is I don't really need it replacing now! You could always lie and tell them you've tried your friends card at home for a couple of days and it worked perfectly?! No harm in trying.
hassan said:
I had killed one of my 16 GB card in Nexus one.
I found a problem that if i use Win 7 or Vista i must remove the device by using safely remove the USB device. Since now am doing this way i never had any problem.
Word of warning you could simply kill a card if you just remove a device.
Click to expand...
Click to collapse
Mhh - maybe I've had luck, but I use my over 1 year old 8gb cl6 card from magic/mt3g and never use that win function while unpluging anything (not while data transfer). So maybe depends on quality or manufacturer?
Sent from my HTC Desire
2-3 weeks since I've formatted my card and now I'm carefully unpluging my phone only when it's charging it hasn't happened ever since
Zilch said:
I've had this a few times Took the card out, reinserted and restarted the phone. Seemed to fix it, but it is annoying.
Click to expand...
Click to collapse
I hate to say it, but it will happen again. Have card reader or other phone prepared, just in case your sd card stops working totally

[GUIDE] The Generic SD Issue (READ FIRST)

This thread has been created to address the hundreds of "Ma SD Don't Work" Threads spawned in the Accessories forum. After seeing and answering many of these, I though it would be appropriate to simply create a thread for this.​
Almost 80% of all of these defective SD card threads have common solutions. I will list these below.
Kingston said:
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1) A corrupt SD card:
Deftone said:
SD cards, especially the Micro SD generation can be damaged very easily if you are not careful. Any physical damage to the card will or the gold contacts will cause it to become unreadable. You know your card is corrupt when the computer cannot explore the card. SD cards can be damaged by forcing them out of the device they are in. If your SD card has become stuck in your computer, camera, MP3 player or printer.
It is best to take the device to a professional to have it removed, rather than trying to force the card from the device using probes, such as paperclips or screwdrivers. If the casing for your SD card becomes damaged or you accidentally damage the inside of your card, you could lose the data currently stored on the card and render the card useless in the future. Also, once it is corrupt, you cannot even sell it for parts or use it as a paperweight because of its low weight.
Click to expand...
Click to collapse
2) Dirty Contacts:
Deftone said:
If the gold contacts are dirty in anyway, this will mean the device will not be able to read it. Using a finger can scratch the contacts and make it corrupt. Instead use a cloth, microfiber if you have one. The reader, (device) will also accumulate dust over time. Clean out the reader with an earbud. This may also solve this issue.
ADDITIONAL: Thanks to hb-kevin for mentioning that you can " clean the contacts with denatured alcohol. It's a cleaning alcohol that is perfectly safe on electronics such as computers, motherboards, and phone parts. If all else fails, try giving the contacts a gentle scrub with some alcohol and a soft toothbrush. "
Click to expand...
Click to collapse
3) Corrupt Data:
Deftone said:
Removing an SD card from a computer without properly ejecting it can cause software damage to the card. Removing your SD card while your computer is trying to read it or removing the card from a camera or MP3 player that is powered on could cause your SD card to lose the data that is stored on it and force you to reformat the card before using it again. Many tools can be found online to help you with this pursuit.
Click to expand...
Click to collapse
4) Casing:
Deftone said:
SD cards are enclosed in a small plastic casing that can be easily damaged if the card is left unprotected in a pocket, chewed on by the dog or stepped on. If the casing for your SD card has become damaged, do not put the card into a device (it might become stuck). Instead, take the card to a data recovery center in your area and have a professional recover any files you might need from the card.
Click to expand...
Click to collapse
5) The "Write Protected" Issue
Deftone said:
On many SD cards (not many micro) there is a physical switch on the side of the card. This is a write lock. This means that if the switch is up and locked, the sd will refuse any data trying to be written to it. As a result, no data will be copied to the card - if it is in a computer, you will get a popup dialogue notifying you that it is write protected, just flick the switch.
The write protection could have also been enabled in a computer. To disable it, just right click on the SD in my computer and then click properties. Then go to attributes. If "read only" is checked, uncheck it. This could be the source of your problems.
Click to expand...
Click to collapse
Please hit thanks if you found this useful.
Please read this before posting another SD thread.
If any further help is required, please leave it down below.
EDIT: Thanks to Cooleagle for making this a sticky. Because of the stick, many more people will see this first and not have to create a thread.
Nice guide maby we need it to stickied.
Sent from my LG-P999 using xda premium
KRAZYADROIDMASTER said:
Nice guide maby we need it to stickied.
Sent from my LG-P999 using xda premium
Click to expand...
Click to collapse
Thanks for taking the time to read it. I have PM'd cooleagle the mod but nothing yet. If I still have nothing by tonight, I will PM another mod because cooleagle might be too busy.
Looks like a nice guide buddy, has been made a sticky.
Keep up the good work & Cheers !
'cooleagle' said:
Looks like a nice guide buddy, has been made a sticky.
Keep up the good work & Cheers !
Click to expand...
Click to collapse
Thanks for making it a sticky.
Hope this helps a lot of people, Lately I have seen a few SD card threads.
Sent from my LG-P999 using xda premium
I've actually been wondering about this because I got a free one with a product I bought off ebay (don't remember what) and I decided to use it the other day but it won't read at all. Turns out contacts were really dirty. Thanks for this thread.
Green Ranger said:
I've actually been wondering about this because I got a free one with a product I bought off ebay (don't remember what) and I decided to use it the other day but it won't read at all. Turns out contacts were really dirty. Thanks for this thread.
Click to expand...
Click to collapse
Made my day bro.
Good to see it helped.
Thanks
32gb kingston corrupted
hello , please help me, i have a 32gb kingston SD card, i just want it to work again, i dont care of the files in it,please if is there a solution , post it here, thanks in advance
PS: my pc's card reader doesnt work , i have my galaxy s2 , and a usb cable
soufianeh said:
hello , please help me, i have a 32gb kingston SD card, i just want it to work again, i dont care of the files in it,please if is there a solution , post it here, thanks in advance
PS: my pc's card reader doesnt work , i have my galaxy s2 , and a usb cable
Click to expand...
Click to collapse
Hey,
Thanks for using the sticky properly. You said you just want it to work again. Have you tried everything I suggested? If so then please come back and tell me exactly what is the problem. Is there an error or is nothing showing up. Please expand. Also, if you can I would suggest trying to get a new card reader. But please read through my thread thoroughly before replying again. It saves us a lot of time.
Thanks
Hit thanks if you found the thread useful.
Thanks, this could be useful for my friend. He had a messed up sd card, hope I could get it to work with this.
I just bought a new Samsung 16Gb Class 10 micro SD card to replace my old 2Gb card.
First thing when I plug it in, it says it is damaged, and gives me an option to format the card. > Formatted using the phone, the card does not show up. From storage I can activate the SD card as it is still not showing, and the same thing comes up, over and over again. If I plug in the old one, no problem there, working like a charm.
I inserted it to my laptop with the SD adapter that came with it, and it shows up just fine ( size 15Gb). Windows XP format tool does not allow format to NTFS so I looked forward, ended up downloading HP USB Disk Storage Format Tool and SDFormatter. I got the card formatted to NTFS, but my phone still is saying the same thing.
What can I do next?
Nice guide..thanks a ton...what about the "write protected" error that are frequently coming up these days - any thoughts on that one?
Deftone said:
If the gold contacts are dirty in anyway, this will mean the device will not be able to read it. Using a finger can scratch the contacts and make it corrupt. Instead use a cloth, microfiber if you have one. The reader, (device) will also accumulate dust over time. Clean out the reader with an earbud. This may also solve this issue.
Click to expand...
Click to collapse
I never thought that finger scratches can be harmful with sd contacts. I used to wipe those plates with my fingers. Thanks for the info!
userofandroid said:
Nice guide..thanks a ton...what about the "write protected" error that are frequently coming up these days - any thoughts on that one?
Click to expand...
Click to collapse
Hey,
This is because the physical switch on your sd is on lock. Try sliding it the other way. This will un-lock it.
If this fails you could try right clicking on your sd in my computer. Going to properties and then unchecking read-only.
Thanks for this, I will add it to the guide.
Charius said:
I just bought a new Samsung 16Gb Class 10 micro SD card to replace my old 2Gb card.
First thing when I plug it in, it says it is damaged, and gives me an option to format the card. > Formatted using the phone, the card does not show up. From storage I can activate the SD card as it is still not showing, and the same thing comes up, over and over again. If I plug in the old one, no problem there, working like a charm.
I inserted it to my laptop with the SD adapter that came with it, and it shows up just fine ( size 15Gb). Windows XP format tool does not allow format to NTFS so I looked forward, ended up downloading HP USB Disk Storage Format Tool and SDFormatter. I got the card formatted to NTFS, but my phone still is saying the same thing.
What can I do next?
Click to expand...
Click to collapse
Hey There,
My best bet would be that your card is corrupt. Try formatting to other formats (FAT32). Then see if it works. Have you tried everything in the guide?
P.S: Thanks to all others for the support, I will try and answer any questions that you post here.
I've had some of these problems throughout the years but 90% of the times it was because on my microSD to SD converter (those SD cards that have a microSD slot in it) I didn't put the card very well or it was just one millimeter out. I really hate how these converters don't have that "click and lock" thingy when you put the microSD card, it's really helpful to keep them inside.
Also, this caused corruption sometimes.
Looks like a nice guide buddy
XThe_GManX said:
I've had some of these problems throughout the years but 90% of the times it was because on my microSD to SD converter (those SD cards that have a microSD slot in it) I didn't put the card very well or it was just one millimeter out. I really hate how these converters don't have that "click and lock" thingy when you put the microSD card, it's really helpful to keep them inside.
Also, this caused corruption sometimes.
Click to expand...
Click to collapse
I will look into adding that to the guide when I have a spare moment.
Thanks
milzaaam said:
Looks like a nice guide buddy
Click to expand...
Click to collapse
Appreciate that!
i bought a 32gb transcend micro sdhc yesterday..went home, placed it in card reader, wrote backup on it, worked fine, i could r/w on it with my laptop..then i placed it in my phone [xperia sola 6.1.1.B.1.54 stock rooted bl locked], booted it and explored it using astro and root explorer, worked fine, i could r/w on it with those apps...the problem is when i open walkman there are no songs/albums detected, so i tried exploring an album and playing it via astro and walkman was able to play the song but just the one song i selected..its also the same with sony album app there are no pictures detected from external card, so i tried viewing a pic the same way i played the song, i was able to view the one pic i selected..there are no errors popping up, which is why its so confusing..i managed to make it work last night by clearing dalvik cache, but when i woke up this morning the problem began again..any advice?
btw on stock camera app i selected external memory as save location, when i open the app it says memory error but when i take a pic it can save there as well, i took a pic and album was able to see the new pic but not the old ones..am i missing something with permissions?i already tried changing the permissions for external memory using root explorer but failed, something about sd file systems not allowing permission changes..i already formatted it countless times to fat32 still the same..it really is working fine, its just that the apps arent able to access it for some reason or another..
update: i just restored my phone with backup from 2days ago and cleared my dalvik cache..its working now..my concern is if i restart my phone im probably gonna go over everything again..this is really weird
hope I could get it to work with this. thanks man
[Help] my microSD not detected
i just bought sandisk 8gb second-hand from my neioghbour.. its has been format before sold to me.. but i put in my nokia 3120 classic, the microSD not detected.. i already copy about 3gb song and pics (that assumed the microSD detected on my PC). when i told my neighbour and put in his phone, it detected.. and again when i put it back to my phone (that nokia).. agan it not detected..
are the microSD is damaged or my phone who can't read the size of the microSD ??

[Q] Why is my new 32gb microSD read-only?

I just purchased a MicroCenter brand 32gb microSD for my S3. I went ahead and did a format using the phone. Afterwards, I removed the card and plugged it directly to my PC and started copying my data from my old 16gb to the new one. After an hour or so it was done so I put it back in my phone. The card mounted fine and all my data was accessible. Didn't think there was a problem until I tried to move my camera media to the new card. My phone tells me that I can't move any files to the card. I then tried to delete something from the card and it wouldn't let me do that either. I even tried changing permissions to random files and guess what, it won't let me. So basically my card is acting like it's read- only even though permissions show otherwise. I thought I did everything by the book so what could have caused this? I don't want to have to back everything off the card and redo the whole process again as I just don't have any more time (hours) to waste on this. Please help!
reformat as fat32.
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Questions go in Q&A
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Friendly Neighborhood Moderator
cnstarz said:
reformat as fat32.
Click to expand...
Click to collapse
It is formatted as fat32. I tried exFat also and the phone just kept saying it was safe to remove and never initialized it. I reformatted it back to fat32 and the problem still exists. I put my Samsung 16gb back in and it works perfectly. I did notice that it lets me create new folders on it in ES File Explorer but creating files just doesn't work. Changing permissions doesn't work. I formatted it twice with both Windows and the phone itself and still no difference. Using my USB adapter on the PC it works just like any other flash drive with no problems. This is irritating as hell. I just can't think of any reason for this except maybe the custom kernel I'm using is causing some weirdness. Guess I'll try a different brand and see what happens. Anyone know who manufactures MicroCenter branded microsd cards?
Sprint Galaxy S3
Touchwiz Rooted Stock ROM LJ7
[KERNEL][SPRINT][AOSP/TOUCHWIZ-JELLYBEAN][10/31/2012] KT747-s LJ7 - KTweaker
And yes, Ive tried wiping cache, delvik and fixing permissions.
Check if it have a lock to make it read-only. Big ones have it, or maybe it's defective.
Sent from my O=O
Did you use a full sized SD adapter to plug it into your PC. The adapters have lock switches and I have had issues where when inserting or removing the adapter from the PC the lock switch gets flipped and the card becomes read only. You might want to put it back in the adapter, flip the switch back and forth, make sure it is not on locked, insert it into your PC and let it mount, make sure you can read and write, then unmount and remove. Make sure the switch didn't get moved to the lock position while you were inserting and removing the adapter.
I hope that helps.
dewey1973 said:
Did you use a full sized SD adapter to plug it into your PC. The adapters have lock switches and I have had issues where when inserting or removing the adapter from the PC the lock switch gets flipped and the card becomes read only. You might want to put it back in the adapter, flip the switch back and forth, make sure it is not on locked, insert it into your PC and let it mount, make sure you can read and write, then unmount and remove. Make sure the switch didn't get moved to the lock position while you were inserting and removing the adapter.
I hope that helps.
Click to expand...
Click to collapse
Thanks for the reply but it's definitely not that. I just tried it in my old Galaxy S Epic 4G. Don't know why I didn't try that before now but it works flawlessly. Interesting that the original Galaxy has no issue with it. It's running CM9. I even formatted it with the Epic and then tried it again in the S3. Still no go. I forgot to mention that it's a class 10 and it seems there are an awful lot of people having issues with class 10 32gb cards in various devices. I discovered that after Googling my problem. I'm returning it tomorrow but I might try returning my kernel to stock and see if that makes a difference.
...still no go. Conclusion: MicroCenter 32gb class 10 microsd cards are incompatible with the Galaxy S3.
dewey1973 said:
Did you use a full sized SD adapter to plug it into your PC. The adapters have lock switches and I have had issues where when inserting or removing the adapter from the PC the lock switch gets flipped and the card becomes read only. You might want to put it back in the adapter, flip the switch back and forth, make sure it is not on locked, insert it into your PC and let it mount, make sure you can read and write, then unmount and remove. Make sure the switch didn't get moved to the lock position while you were inserting and removing the adapter.
I hope that helps.
Click to expand...
Click to collapse
Thanks. I had a different phone and sdcard and was about to toss it out, then I moved the switch. lol.

Micro SD Card mount problem

Hey folks, I have a bit of a problem here. I just recently started having this problem of my micro sd card not being able to be mounted to my GS3 for anything. I don't know what the problem is nor how it can be rectified? So it's known, I'm rooted with the latest CW recovery mod for JB fw version 4.2.1. I tried recovering to factory settings but that doesn't work because I have wiped all my caches. Any ideas as to what I can do to fix this issue? I have no problem losing full, permanent root access by the way but also keep in mind that I currently do not have a computer of any kind. I was able to gain permanent root access when I borrowed my buddy's laptop last week but gave his laptop back.
The message I always see on my phone when I go to manually mount my SD Card in Settings is ..."Your SD Card is ready to be removed."
- Bummed Out
= (
Sent from my SGH-T999 using xda app
spicy_puerto_rican said:
Hey folks, I have a bit of a problem here. I just recently started having this problem of my micro sd card not being able to be mounted to my GS3 for anything. I don't know what the problem is nor how it can be rectified? So it's known, I'm rooted with the latest CW recovery mod for JB fw version 4.2.1. I tried recovering to factory settings but that doesn't work because I have wiped all my caches. Any ideas as to what I can do to fix this issue? I have no problem losing full, permanent root access by the way but also keep in mind that I currently do not have a computer of any kind. I was able to gain permanent root access when I borrowed my buddy's laptop last week but gave his laptop back.
The message I always see on my phone when I go to manually mount my SD Card in Settings is ..."Your SD Card is ready to be removed."
- Bummed Out
= (
Sent from my SGH-T999 using xda app
Click to expand...
Click to collapse
Honestly, this sounds like your SD Card is in its last days, so to speak. This happens quite frequently and they just do not last forever.
What brand is it?
What is its class and size?
How old is it?
Where did you buy it?
If you boot into CWM, can you mount it there?
Your best bet is to try your best to get any important info off of it, then format it. If you have the space, copy everything important to your Internal SD, then format it through the settings menu. If that doesnt help, you will need to try again from a computer. Use the SD formatter tool from http://www.sdcard.org
I am assuming the card was working fine on your phone and this just started happening recently.
---------- Post added at 10:41 PM ---------- Previous post was at 10:40 PM ----------
Oh and for future threads, this shouldve gone in Q&A. If you dont see it here, then it will have been moved.
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The SD Card is a legit 64GB, Class 10, micro SD Card that I bought not even a year ago from Amazon for $55. It's the card that looks half red and hald grey. I had a ton of stuff on it too... movies, about 2k songs, tv show series, hundreds of pics, paid-for apps, emulated games and more. I think once I flashed a new different rom from the original regular CW 4.2.1, that's when my card was wiped clean. Now I can sometimes go to my sc card in the EZ Explorer Android app and it shows that my card has no files on it whatsoever.
Oh, I also get an error message of something like "cannot mount sd card... error." .... when I mount my card in the CW Recovery screen. I've also tried adding new files to the sd card and when I go back later that day or the next day, those files were wiped clean like they were never written to the card.
So now, the only place I can save files to is my internal phone memory.
So sad and blue...
= (
Sent from my SGH-T999 using xda app-developers app
spicy_puerto_rican said:
The SD Card is a legit 64GB, Class 10, micro SD Card that I bought not even a year ago from Amazon for $55. It's the card that looks half red and hald grey. I had a ton of stuff on it too... movies, about 2k songs, tv show series, hundreds of pics, paid-for apps, emulated games and more. I think once I flashed a new different rom from the original regular CW 4.2.1, that's when my card was wiped clean. Now I can sometimes go to my sc card in the EZ Explorer Android app and it shows that my card has no files on it whatsoever.
Oh, I also get an error message of something like "cannot mount sd card... error." .... when I mount my card in the CW Recovery screen. I've also tried adding new files to the sd card and when I go back later that day or the next day, those files were wiped clean like they were never written to the card.
So now, the only place I can save files to is my internal phone memory.
So sad and blue...
= (
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Click to collapse
Yup, sounds like its on its way out. Unless you specifically tell cwm to do so, it doesn't touch your external sd. Some people have made the mistake and wiped out their data by not paying attention to what they're doing.
Anyway, there are data recovery tools you can try to use. Many people have had some success recovering info off of flash memory like that.
Sounds like it was a sandisk, but it should be clearly labelled as such. If its not its probably a knock off. Youd be surprised how many fakes are out there. Even highly reputable sellers have been known to sell cheap knock off sdcards. They don't do it on purpose of course, but I've even seen where they came from stores like Best Buy. The last time I looked I think Samsung, Kingston and Sandisk were the most popular targets for fake sdcard dealers.
This is why I only buy Samsung brand cards, and only from sellers who are Samsung Authorized Dealers. They buy direct from Samsung so you can be confident that you are getting a real one.
Even so, the best ones are still known to fail. I'd google for flash memory data recovery to see if you can rescue some stuff. And I would replace the card.
Its always a good idea to keep a backup even of your sd data. Sorry for your troubles.
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Thanks man, you've been a tremendous help with this issue! I will try recovering my stuff on my card later using recovery software. Thanks a bunch!
= D
Sent from my SGH-T999 using xda app-developers app
And yes, it was clearly labeled as SanDisk too. But I, like you, have a feeling it's on its last leg.
Sent from my SGH-T999 using xda app-developers app
I wish you luck with it!
When you get a new card, there are ways to tell if its a fake or not. You will have to search them out as I really don't remember, but just so you know, the info is out there.
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SD issues

Hey guys, I've been baffled by this all day, if you could help me, that'd be nice.
So, I updated to the latest nightly the other day for CM11, (20140120) and when it booted, I couldn't get the SD card to mount.
I've now tried various ROMs, stock, every CM for my phone available, and no matter what, the SD won't mount.
I've tested multiple SD cards, thinking it was just a dead SD, but to no avail. What is weird is that when I plug the SD in to my computer (Via a USB adapter, and an actual card adapter as well on a second try.) it shows up completely normally, with all the files on it and everything. Tried reformatting it in Windows, Linux, and Mac as well.
Do you guys think that my SD slot has just crapped out? Because I can't afford a new phone whatsoever, and I love my baby Hercules.
Any suggestions would be lovely, thanks for your time!
Daltonyx said:
Hey guys, I've been baffled by this all day, if you could help me, that'd be nice.
So, I updated to the latest nightly the other day for CM11, (20140120) and when it booted, I couldn't get the SD card to mount.
I've now tried various ROMs, stock, every CM for my phone available, and no matter what, the SD won't mount.
I've tested multiple SD cards, thinking it was just a dead SD, but to no avail. What is weird is that when I plug the SD in to my computer (Via a USB adapter, and an actual card adapter as well on a second try.) it shows up completely normally, with all the files on it and everything. Tried reformatting it in Windows, Linux, and Mac as well.
Do you guys think that my SD slot has just crapped out? Because I can't afford a new phone whatsoever, and I love my baby Hercules.
Any suggestions would be lovely, thanks for your time!
Click to expand...
Click to collapse
Well since you went back to Touchwiz, and you tried multiple SD cards, I'm going to guess the actual reader went bad. My recommendation would be to go to multiple repair centers and see what they all say. Don't just go to one because they might rip you off and the more opinions the better
Sent from my Nexus 5 using XDA Premium 4 mobile app
soccerfan6789 said:
Well since you went back to Touchwiz, and you tried multiple SD cards, I'm going to guess the actual reader went bad. My recommendation would be to go to multiple repair centers and see what they all say. Don't just go to one because they might rip you off and the more opinions the better
Sent from my Nexus 5 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Well, everybody says that nothing is wrong with my SD slot, and I've noticed that when I turn my phone's screen on, it tries to read my SD, and it mounts successfully. What's weird is that the second I unlock my phone, it unmounts and asks me to format my SD. I tried formatting it in my phone, and on the computer (Unix, Windows, Linux) as well again. So, I can't really figure out the issue. It isn't just limited to one android version, it's on all. And even on Touchwiz it unmounts when unlocked. I'm quite baffled. ._.
Sorry to necro my own thread, but I need this fixed. lol
corrupted files maybe? Maybe its a software issue. Try going back to stock and maybe try again
Actually, this will sound really stupid, but I was installing Koushik's airplaymirror.apk, and I was doing it through ADB. I used adb root, then adb remount, and before I used adb push, I noticed my SD card mounted right after that command. So yeah, simple solution, but I'm still not sure what the problem was?
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