I have a rooted AT&T S3 running JellyBam 9.2
Basically what happened is after rooting my phone, my 64gb ADATA microSD card stopped letting me copy files to it while it is plugged into my computer through my phone. It would copy over about 100 mp3 files from my computer before a window pops up and says that the device has stopped working or has been disconnected. Then, I unplug my phone from the computer and try to reboot it, but it just hangs at the "Rebooting phone..." window. This only happens after the SD card messes up, all other times the reboot is fine. After I pop the battery and resume copying files, it starts to work again, but then stops after another few mp3's. The files that did manage to get copied over, however, are able to be seen and scanned by my file manager and my music app. The SD card, when plugged into my laptop through an adapter, is able to copy and read files perfectly fine. Can anybody shine some light on what is wrong and possibly how to fix it? Thanks
First you need to format the card to fat32 and then copy your files from the computer directly onto the card through a card reader not the phone Samsung has some issues with exfat which is the way the card are originally formatted. There are a number of free programs out there to format your card, hope this helps
Sent from my SGH-I747M using Tapatalk 4
+1
The exFAT filesystem is proprietary. Samsung developed their own version, rather than license it from Microsoft.. and the Samsung version is known to be buggy. As jimchee explained, what you need to do is reformat your memory card to a FAT32 filesystem to ensure that it is stable.
PLEASE HELP with 64gb sd in GS3!
fffft said:
+1
The exFAT filesystem is proprietary. Samsung developed their own version, rather than license it from Microsoft.. and the Samsung version is known to be buggy. As jimchee explained, what you need to do is reformat your memory card to a FAT32 filesystem to ensure that it is stable.
Click to expand...
Click to collapse
I rooted my sprint gs3...now it won't read my card! all data is still there as I checked it on my laptop!
it recognizes the 16gb card i put in to test!
What can I do? do i need to totally reformat? UGH!
Total newbie to this stuff and need this working!
Also...if anyone knows...can't use wireless tether as it says "phone is in an unknown state"!
HELP would be MUCH appreciated! THANKS!
Related
Hello, I'm new to the forums.
Today I bought a 32 GB MicroSDHC memory card for my at&t s3.
Behaviours:
1) I inserted it into my phone and then I tried taking some photos. I set the output path to the card and I took a picture. The picture was successfully saved to the sd card, but when I tried taking a second picture, I received an error: "Cannot write file in SD card. Default storage set to Phone". If I try again to set the memory card as default storage I can again take another photo, but the next one will fail as described again.
2) With SD card mounted to the S3, I plug in the USB to connect it to my computer. I can then see the card and view the files on it. However, I'm unable to write anything on it. (Copying something to the card will freeze my windows explorer)
3) If I insert the card into my computer via adapter, then all works fine. I can write to it fine.
It seems that the problem only occurs when the sd card is used by the S3.
Note: I have checked the card for read-only notches and it has no such thing.
Note2: I have a rooted phone running JB 4.1.1 stock.
Any help will be appreciated. Thank you.
many phones have problems with 32GB class 10 cards. What is yours?
kirkgbr said:
many phones have problems with 32GB class 10 cards. What is yours?
Click to expand...
Click to collapse
well it's a Kingston class 10 one.
BinSlayer said:
well it's a Kingston class 10 one.
Click to expand...
Click to collapse
Maybe you can try reformatting it.
reformat it in what way? I've already tried exFat, Fat32 and NTFS. NTFS and exFat give a "blank card" error, while Fat32 won't let me write stuff like I described. And I've reformat the card a couple of times already.
Edit: well, I did so using windows format app.
Do you know of other better apps?
Also I forgot to mention that I can't format the card via samsung s3 built-in app because it always returns "blank error" in that case.
BinSlayer said:
reformat it in what way? I've already tried exFat, Fat32 and NTFS. NTFS and exFat give a "blank card" error, while Fat32 won't let me write stuff like I described. And I've reformat the card a couple of times already.
Edit: well, I did so using windows format app.
Do you know of other better apps?
Also I forgot to mention that I can't format the card via samsung s3 built-in app because it always returns "blank error" in that case.
Click to expand...
Click to collapse
I also had a problem with a new card and I took mine out and put it back in the phone and it finally worked. I just made sure it was pushed in all the way and seated properly.
I have just tried to use the card on a Galaxy S Plus. It worked flawlessly. I format it from that phone and then I inserted it into the Galaxy S3. It still won't work on the S3.
Why is this? I'm becoming desperate. This issue is bugging me a lot. Please any help will be appreciated.
Update: Even tried a galaxy S2. It works fine. Same problem on S3 though.
I apologize in advance if this has already been answered and I haven't found it in the forums yet (and the "search" function is temporarily unavailable). I'm crunched for time before I jump on a plane. I figured I'd ask while I continue to search the forums...
I have a Samsung Galaxy Note 2 (US - Sprint) and received a Kingston 64GB microSDXC class 10 card yesterday. I was previously using an old 8GB class 6 miscroSDHC card with no problems. I removed that card form the phone, inserted the new card and formatted it (exFAT). The phone had no trouble seeing 59ishGB of the new card.
I removed the new card from my phone and inserted it into my laptop. The phone had created a folder called "LOST.DIR" but other than that the card was empty. I created a folder called "Music" and proceeded to move just under 8GB of music folders/files to it overnight.
This morning I removed the card from my laptop and inserted it into my phone. I opened the "My Files" app and when I opened the "extSdCard" folder there was nothing there. I removed the card and reinserted it in my laptop and the "lost" and "music" files were both available. I removed the card once again and reinserted into my phone and after about 15 seconds or so the phone rebooted. Once the phone powered on it rebooted again. Once it powered on again it rebooted once more and this time it powered into safe mode. Once in safe mode, I checked for the card and low and behold I could see both folders and I was able to play mp3 files from the music folder.
The phone shows 51.06GB of 59.01GB free on the external card, whether in safe or regular mode. Every time I removed the card from the phone or laptop, I unmounted it first. Any thoughts as to what is going on? I've read that Android sometimes doesn't play well with Windows folders, but I've never had a trouble with this on any other Android handset.
Thanks in advance!
Try formatting it as FAT32(lba) and see how the card behaves. There are some clear disadvantages to doing this, but it will be an interesting test.
What OS is running on the Note? Is it rooted and/or running a custom rom?
I vaguely recall a post a while back specific to Samsung devices and Kingston cards...Ill look for it.
NoDataFound said:
Try formatting it as FAT32(lba) and see how the card behaves. There are some clear disadvantages to doing this, but it will be an interesting test.
What OS is running on the Note? Is it rooted and/or running a custom rom?
I vaguely recall a post a while back specific to Samsung devices and Kingston cards...Ill look for it.
Click to expand...
Click to collapse
Thanks for the reply! Right before you posted this I think I actually figured it out thanks to an old post from omar300. I tried their method and everything seems to be working now. And you guessed right...the card is now formatted FAT32.
I'm running stock 4.1.2. I'll be rooting it shortly so hopefully things don't break again!
omar300 said:
If you have been having issue with exfat card even after formatting it to fat32 this is probably the solution for you
The 64gb exfat card i have never worked on custom roms no matter what software i used to format it to fat32.
But finally it worked with this one software, Just make sure you follow the instruction correctly.
(external link blocked because I'm new)
First use easeus to delete the partion in 64 gb card.
then Click Start menu, select Run and enter diskmgmt.msc
You need to find the disk with unallocated space. Right click on it and select "New Partition" and follow these steps, clicking "Next"
Enter the maximum size for the Partition Size
Choose assign a drive letter. I used F:
Select "Do not Format this partition"
Click Finish
Now you have a drive letter, this is what we will pass to the formatter
(external link blocked because I'm new)
Now download a copy of fat32format. Extract the EXE file to C:\
Click Start->Run and enter cmd (as admin)
type this - C:\fat32format f:
enter y to continue
Now the sd card should work on phone.
Click to expand...
Click to collapse
I've been spending waaay to much time trying to get this phone to work as I had expected with previous phones (even my LG G2x) giving me less problems. I recently bought a Sandisk 32gb, class 10 micro sd card and after transferring old music, pictures and videos from my old LG G2x with a 16gb card, placing files from my computer back onto my S4 with the 32gb card is a nightmare! Photos are transferred but too out of order to try and deal with although it's more the music problem that has me bugging. I have some success after putting about 3gb or so onto the new*32gb sd card but after that, the sd card flips out and starts using special characters for file names. Below I attached a screenshot of what I'm going through with another app called V1 Golf for Android. I'm stuck and any help is much appreciated. I can't delete anything on my sd card nor can I add. I've reformatted this card about 4 times now without success. Some say that a Sandisk have been nothing but problems for them, you think a Samsung card could be the fix?
I'm also running windows 7 on my computer as some people have said that could interfere with the transfer but it seems like that's not the problem being that downloading apps from google play shows corrupted files depicted below.
jakesteed808 said:
I've been spending waaay to much time trying to get this phone to work as I had expected with previous phones (even my LG G2x) giving me less problems. I recently bought a Sandisk 32gb, class 10 micro sd card and after transferring old music, pictures and videos from my old LG G2x with a 16gb card, placing files from my computer back onto my S4 with the 32gb card is a nightmare! Photos are transferred but too out of order to try and deal with although it's more the music problem that has me bugging. I have some success after putting about 3gb or so onto the new*32gb sd card but after that, the sd card flips out and starts using special characters for file names. Below I attached a screenshot of what I'm going through with another app called V1 Golf for Android. I'm stuck and any help is much appreciated. I can't delete anything on my sd card nor can I add. I've reformatted this card about 4 times now without success. Some say that a Sandisk have been nothing but problems for them, you think a Samsung card could be the fix?
I'm also running windows 7 on my computer as some people have said that could interfere with the transfer but it seems like that's not the problem being that downloading apps from google play shows corrupted files depicted below.
Click to expand...
Click to collapse
First, did you format this 32gb sdcard using fat32, exFAT or NTFS or ?
If you did not format it with fat32 then that could have caused the problem.
First you need to remove the card from the phone and plug it into your
computer using the adaptor which came with the microsd card so it can be
tested and repaired in windows.
Once the card is plugged into the computer and it's recognized by windows make note of the drive letter.
Then open a cmd prompt in windows by going to the start menu clicking on RUN then type "CMD" and click OK to open the DOS prompt.
Then in the black DOS window type: chkdsk E: /F then press "enter" to scan and fix errors on your microsd card.
NOTE: The E: is just an example, check the actual drive letter of the sdcard which is plugged into the computer.
Please note, doing the above will not delete any files or folders unless they are deemed unusable and cannot be fixed.
The chkdsk will NOT not format your microsd card.
Good luck!
jakesteed808 said:
I've been spending waaay to much time trying to get this phone to work as I had expected with previous phones (even my LG G2x) giving me less problems. I recently bought a Sandisk 32gb, class 10 micro sd card and after transferring old music, pictures and videos from my old LG G2x with a 16gb card, placing files from my computer back onto my S4 with the 32gb card is a nightmare! Photos are transferred but too out of order to try and deal with although it's more the music problem that has me bugging. I have some success after putting about 3gb or so onto the new*32gb sd card but after that, the sd card flips out and starts using special characters for file names. Below I attached a screenshot of what I'm going through with another app called V1 Golf for Android. I'm stuck and any help is much appreciated. I can't delete anything on my sd card nor can I add. I've reformatted this card about 4 times now without success. Some say that a Sandisk have been nothing but problems for them, you think a Samsung card could be the fix?
I'm also running windows 7 on my computer as some people have said that could interfere with the transfer but it seems like that's not the problem being that downloading apps from google play shows corrupted files depicted below.
Click to expand...
Click to collapse
Unfortunately I ran into a very similar situation with a 64gb SanDisk card. After several months of using it successfully without issue, out of nowhere some 20 gigs of data were stuck. It seems that 1 file in a nandroid was corrupt. After formatting, re-partitioning, deleting etc, etc. with Windows 7 as well as MiniTool Partition Wizard I was unable to ever get the corrupt file to delete. Thus leaving the $60+ card useless and a prime candidate for the trash. I chalked it up too a "bizarre" instance. I have since purchased 2 64gb cards, one to replace and one for my new S4. Haven't had the issue since (knock on wood). Not sure what the exact culprit was, the recovery? (TWRP), a freak occurrance? or Just a defective card? If you have any luck saving your card please post how you did. Although I realize this probably isn't helpful except to know your not the only one.
My sd card seems to be stuck.
About 20 of 64 gb being used.
Now I can't delete anything. Or add anything.
It appears to delete and then it just comes back.
Does that mean my sd card is dead.
scandisk 64gb
Had the same thing just happen to me. Transferred a few kernel files yesterday and today couldn't delete, add or format anything. I was able to copy all files to computer but that's it.
same thing happen to my sandisk 64gb class 10 microsdcard as well
is it a virus?
I had the exact same issue with a San-disk 64gb micro sdcard, I contacted San-disk, they offered me a replacement card.I suggest you do the same, hopefully they will exchange it for you.
MSK1 said:
My sd card seems to be stuck.
About 20 of 64 gb being used.
Now I can't delete anything. Or add anything.
It appears to delete and then it just comes back.
Does that mean my sd card is dead.
Click to expand...
Click to collapse
You can use another SD card to try whether this sd card is dead.
If anothe SD card can delete files, it proves that this sd card is dead, vice versa.
Did your problem solve? I'm experiencing now like with your problem. And I'm looking for an answer.
Hi I recently purchased a Note 2 from a guy on craigslist. I checked out the phone at purchase and everything proved to be correct. I didn't expect however that he had the phone rooted. I'm a big fan of rooting phones that don't have a good operating systems already or didn't have Android JB but phones like the galaxy phones I believe don't necessarily need to be rooted. I was pissed because I wanted it with stock rom but I just decided to accept it and unroot it myself. So after a long process I got it unrooted and running the latest stock rom and everything seemed to work except for one thing. When I transfered all of the Music files from my previous phones microSD(16gb) to my new one(64gb) none of the music files worked. All of them wouldn't play and the phone would say it can't open the file or something like that. So I tried formating the microSD and trying to put the files on the microSD again and still the files wouldn't play. I had to format the card through the phone itself and transfer the files through Samsung Kies just for 3/4 of the music to work. I can deal with 3/4 but now when I transfer a video file weather through Kies or straight to the folder none of the files play. When trying to play them nothing shows or sounds it's just black screen, you can fast foward or skip but nothing shows. I never thought I would have this much trouble with this phone but it appears as though there's a virus on the phone or card or something that is preventing video and music files to play. Even when trying to play files from the phone on Windows Media Player or any other music/video player the files don't play. I have also found that whenever I connect the phone to my PC let's say a day after I last connected it, I have to run USB connections on Kies and it has to reinstall the drivers for the phone just to actually see the files on the phone. Please help me I have no idea what to do. Thanks in advance.
Jcamacho228 said:
Hi I recently purchased a Note 2 from a guy on craigslist. I checked out the phone at purchase and everything proved to be correct. I didn't expect however that he had the phone rooted. I'm a big fan of rooting phones that don't have a good operating systems already or didn't have Android JB but phones like the galaxy phones I believe don't necessarily need to be rooted. I was pissed because I wanted it with stock rom but I just decided to accept it and unroot it myself. So after a long process I got it unrooted and running the latest stock rom and everything seemed to work except for one thing. When I transfered all of the Music files from my previous phones microSD(16gb) to my new one(64gb) none of the music files worked. All of them wouldn't play and the phone would say it can't open the file or something like that. So I tried formating the microSD and trying to put the files on the microSD again and still the files wouldn't play. I had to format the card through the phone itself and transfer the files through Samsung Kies just for 3/4 of the music to work. I can deal with 3/4 but now when I transfer a video file weather through Kies or straight to the folder none of the files play. When trying to play them nothing shows or sounds it's just black screen, you can fast foward or skip but nothing shows. I never thought I would have this much trouble with this phone but it appears as though there's a virus on the phone or card or something that is preventing video and music files to play. Even when trying to play files from the phone on Windows Media Player or any other music/video player the files don't play. Please help me I have no idea what to do. Thanks in advance.
Click to expand...
Click to collapse
You need to flashed a kernel that support exFAT format for 64gb or you can format your 64gb to FAT32 format, but for me i prefer to Saber Kernel and i don't need to format my micro sd card, you could try there are other kernels available for stock rom you can find them here...http://forum.xda-developers.com/showthread.php?t=1987541
xxxSuperserieSxxx said:
You need to flashed a kernel that support exFAT format for 64gb or you can format your 64gb to FAT32 format, but for me i prefer to Saber Kernel and i don't need to format my micro sd card, you could try there are other kernels available for stock rom you can find them here...http://forum.xda-developers.com/showthread.php?t=1987541
Click to expand...
Click to collapse
So you're saying it's the microSD's format? It has nothing to do with the fact that the phone was rooted and that it might have a bug? Would kind of make sense because when I put the 16gb sd card in the phone all of the music files work. So it's the format, but I need a kernel? I have also found that whenever I connect the phone to my PC let's say a day after I last connected it, I have to run USB connections on Kies and it has to reinstall the drivers for the phone just to actually see the files on the phone. It'll show the phone but it wont show anything inside it just shows blank. Excuse me if I'm coming off idiotic, I have no experience with this phone or 64gb microSD cards lol
Jcamacho228 said:
So you're saying it's the microSD's format? It has nothing to do with the fact that the phone was rooted and that it might have a bug? Would kind of make sense because when I put the 16gb sd card in the phone all of the music files work. So it's the format, but I need a kernel? I have also found that whenever I connect the phone to my PC let's say a day after I last connected it, I have to run USB connections on Kies and it has to reinstall the drivers for the phone just to actually see the files on the phone. It'll show the phone but it wont show anything inside it just shows blank. Excuse me if I'm coming off idiotic, I have no experience with this phone or 64gb microSD cards lol
Click to expand...
Click to collapse
Since you're unrooted, you can't flash a new kernel so you may want to dismiss that last thing.
Have you tried only one 64gb microSD? It seems that your card may be bad or it's not formatted correctly for the stock firmware... I would test out another 64gb card and see if that works since the 16 works just fine.
Edit: Sorry... a little vague... the card needs to be formatted as Exfat if you can do that through Windows, that should work in case the card is actually in good condition.
[email protected] said:
Since you're unrooted, you can't flash a new kernel so you may want to dismiss that last thing.
Have you tried only one 64gb microSD? It seems that your card may be bad or it's not formatted correctly for the stock firmware... I would test out another 64gb card and see if that works since the 16 works just fine.
Edit: Sorry... a little vague... the card needs to be formatted as Exfat if you can do that through Windows, that should work in case the card is actually in good condition.
Click to expand...
Click to collapse
I don't have any other 64gb microSD cards, the one I have came with the phone. The logo and everything on the card have faded out so I don't know what brand but I think it's sandisk. I don't know at this point I'm thinking it has to be the card because I've tried nearly everything and it's still not working the way I want it to. I formatted it using Windows UGI to FAT32 since thats what you said and that was the same format as the 16gb and sure enough most of the music works with some not working. So I tried putting movies on the card and once I didn't see a preview on the bottom left I knew it wasn't going to work. Seems like the card is bipolar I have a 32gb micro I'll try that, it's brand new still haven't used it, should I just put it in and see if it works or should I format it to FAT32? By the way Thanks again really appreciate your help!
Jcamacho228 said:
I don't have any other 64gb microSD cards, the one I have came with the phone. The logo and everything on the card have faded out so I don't know what brand but I think it's sandisk. I don't know at this point I'm thinking it has to be the card because I've tried nearly everything and it's still not working the way I want it to. I formatted it using Windows UGI to FAT32 since thats what you said and that was the same format as the 16gb and sure enough most of the music works with some not working. So I tried putting movies on the card and once I didn't see a preview on the bottom left I knew it wasn't going to work. Seems like the card is bipolar I have a 32gb micro I'll try that, it's brand new still haven't used it, should I just put it in and see if it works or should I format it to FAT32? By the way Thanks again really appreciate your help!
Click to expand...
Click to collapse
Try formatting to Exfat... it doesn't hurt to try at this point.
[email protected] said:
Since you're unrooted, you can't flash a new kernel so you may want to dismiss that last thing.
Have you tried only one 64gb microSD? It seems that your card may be bad or it's not formatted correctly for the stock firmware... I would test out another 64gb card and see if that works since the 16 works just fine.
Edit: Sorry... a little vague... the card needs to be formatted as Exfat if you can do that through Windows, that should work in case the card is actually in good condition.
Click to expand...
Click to collapse
I think he mention phone is rooted sorry if misread that part thats the reason i recommend to flashed kernel that support exFAT, actually as far as i know 64gb microsd card default format is already exFAT and 32 or 16gb is FAT32 and some are in exFAT. If doesnt want to flashed kernel then i recommend format sdcard from computer just plug in from card then right mouse that drive then format and select FAT32 format. If some instance your computer can't read your microsd card and cant format there is chance thar your microsd card maybe bad.
Sent from my Samsung Galaxy Note®II using XDA-Developers Premium Android App
If you can see the files in the player, and you can see the sd card directory using a file explorer, its not the card. I had to add two lines to my system settings file. I'm sorry I don't remember the file name or the content of the two lines. Maybe my comment will jog someone's memory.
xxxSuperserieSxxx said:
I think he mention phone is rooted sorry if misread that part thats the reason i recommend to flashed kernel that support exFAT, actually as far as i know 64gb microsd card default format is already exFAT and 32 or 16gb is FAT32 and some are in exFAT. If doesnt want to flashed kernel then i recommend format sdcard from computer just plug in from card then right mouse that drive then format and select FAT32 format. If some instance your computer can't read your microsd card and cant format there is chance thar your microsd card maybe bad.
Sent from my Samsung Galaxy Note®II using XDA-Developers Premium Android App
Click to expand...
Click to collapse
The phone is not rooted, it's running stock rom. I've already formatted the card a million times to exFat and still didn't work.
rangercaptain said:
If you can see the files in the player, and you can see the sd card directory using a file explorer, its not the card. I had to add two lines to my system settings file. I'm sorry I don't remember the file name or the content of the two lines. Maybe my comment will jog someone's memory.
Click to expand...
Click to collapse
I can see the files but they do not work, At this point everything is leading to the problem being the card. I mean my other SD cards work with the phone and have no problem playing music or video files. I've tried nearly everything and the card still continues to malfunction.
[email protected] said:
Try formatting to Exfat... it doesn't hurt to try at this point.
Click to expand...
Click to collapse
I've formatted it to exFat a million times. That what I originally was formatting it to because windows quick format doesn't have a FAT32 option only exFat which was default and NTFS. exFat is not the problem.
It's looking more and more like SD damage...
Considering the fact that other cards work fine...
Copy your media to PC from the SD...and get a new card ?
I know it sucks...
And once the new card is installed...be "very" careful moving those files back as they may be messed up...
I'd pull a few songs from the PC after you copy them over and test them on another card to be sure before loading it to a new and expensive SD...
It sounds like the phone is fine...g
Sent from my SAMSUNG-SGH-I317 using XDA Premium 4 mobile app
Jcamacho228 said:
I've formatted it to exFat a million times. That what I originally was formatting it to because windows quick format doesn't have a FAT32 option only exFat which was default and NTFS. exFat is not the problem.
Click to expand...
Click to collapse
Try to format to NTFS first then format to FAT32 if doesn't work then maybe a bad microsd card
gregsarg said:
It's looking more and more like SD damage...
Considering the fact that other cards work fine...
Copy your media to PC from the SD...and get a new card ?
I know it sucks...
And once the new card is installed...be "very" careful moving those files back as they may be messed up...
I'd pull a few songs from the PC after you copy them over and test them on another card to be sure before loading it to a new and expensive SD...
It sounds like the phone is fine...g
Sent from my SAMSUNG-SGH-I317 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Well the card came free with the phone so I'm not too pissed. I'll just sell it and make it someone else's problem.lol
don't be a scumbag; if it doesn't work, don't make someone else's life miserable....throw it away or give it away...
Jcamacho228 said:
Well the card came free with the phone so I'm not too pissed. I'll just sell it and make it someone else's problem.lol
Click to expand...
Click to collapse
Hummmm, as what the younger people say....REALLY?!?!?!? which I have found has lots of meanings.
really → a question, as an exclamation of dismay, disapproval, doubt, surprise, etc.
wase4711 said:
don't be a scumbag; if it doesn't work, don't make someone else's life miserable....throw it away or give it away...
Click to expand...
Click to collapse
I'm not being a scumbag. The card works it's just has some problems but it works. I mean I don't know how the card would react on another phone or maybe someone would use it as their card for their camera I don't know. You're acting like it doesn't work at all and I'm going to try to screw somebody into buying a defective card.
Hi,
I have just purchased 64 GB Class 10 Samsung micro SD card with a SD adapter and USB adapter.
I plugged it in to my S4 and everything seemed OK. Copied all of the contents from my old SD. Everything was working fine until I restarted my phone. After restart all of the files were present by could not access them. Some of the files and folders had ~ as prefix. Plugged the card in my PC and the files were corrupted. Recopied everything and tried several times again. The same outcome. Reformatted the card to exFAT and to FAT32 both from my phone or my PC using several available programs. No success. Whenever I unmount the SD card or restart the phone the files get corrupted. So I figured the card is broken. So I decided to test it only on my PC. Copied lots of stuff to it (music, movies etc.) and started using it on my PC. I have mounted/unmounted it on my PC probably 100 times and it works just fine. So that means that the card is fine (or am I wrong???). Also tried it to plug it with the usb adapter into my TV. It says that usb disk is empty.
The files only seem to get corrupted when I place the card in my S4 and unmount it/restart the phone. The card works just fine on my PC.
Does anyone else have this issue?
I am running a rooted 4.3 Android OS.
Thank you!
You have to partition the card into 32GiB chunks. So make two, 32GiB partitions and it will work fine in your S4, except it will show you have two external sd cards.
Sent from my SGH-M919 using XDA Premium 4 mobile app
vladimir.gjurovski said:
Hi,
I have just purchased 64 GB Class 10 Samsung micro SD card with a SD adapter and USB adapter.
I plugged it in to my S4 and everything seemed OK. Copied all of the contents from my old SD. Everything was working fine until I restarted my phone. After restart all of the files were present by could not access them. Some of the files and folders had ~ as prefix. Plugged the card in my PC and the files were corrupted. Recopied everything and tried several times again. The same outcome. Reformatted the card to exFAT and to FAT32 both from my phone or my PC using several available programs. No success. Whenever I unmount the SD card or restart the phone the files get corrupted. So I figured the card is broken. So I decided to test it only on my PC. Copied lots of stuff to it (music, movies etc.) and started using it on my PC. I have mounted/unmounted it on my PC probably 100 times and it works just fine. So that means that the card is fine (or am I wrong???). Also tried it to plug it with the usb adapter into my TV. It says that usb disk is empty.
The files only seem to get corrupted when I place the card in my S4 and unmount it/restart the phone. The card works just fine on my PC.
Does anyone else have this issue?
I am running a rooted 4.3 Android OS.
Thank you!
Click to expand...
Click to collapse
If you don't want to make two seperate partitions on your external microSD card then do the
following:
Remove your external microSD and plug it into a card reader and or the adapter which came
with the card then plug it into your computer.
Make an empty folder on desktop of computer and copy all files and folders from the microsd
card into the empty folder.
Format your external microsd using this windows utility and copy all the files/folders back onto
the card from your computer and replace it into your phone.
Here is the direct download link for this fat32 formatter which is a windows utility:
http://download.cnet.com/MiniAide-Fa...74ffba47b88ad1
By doing the above your external microSD card should work fine in your phone.
Good luck!
xdapowerapps said:
You have to partition the card into 32GiB chunks. So make two, 32GiB partitions and it will work fine in your S4, except it will show you have two external sd cards.
Sent from my SGH-M919 using XDA Premium 4 mobile app
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Click to collapse
Thank you for your reply. I did as you suggested and it worked for some time. I mounted/unmounted several times and it seemed fine. Then did a restart and the files were corrupted again.
Why does the card need to be divided in 2*32GB in the first place? Isn't the S4 suppose to support 64 GB cards?
Your suggestion seemed to isolate only part of the problem. It remains only the restart. What can be associated with corrupting data on sd card and android restart?
Misterjunky said:
If you don't want to make two seperate partitions on your external microSD card then do the
following:
Remove your external microSD and plug it into a card reader and or the adapter which came
with the card then plug it into your computer.
Make an empty folder on desktop of computer and copy all files and folders from the microsd
card into the empty folder.
Format your external microsd using this windows utility and copy all the files/folders back onto
the card from your computer and replace it into your phone.
Here is the direct download link for this fat32 formatter which is a windows utility:
By doing the above your external microSD card should work fine in your phone.
Good luck!
Click to expand...
Click to collapse
Thank you for your reply. Unfortunately it didn't work. I tried similar thing with other software also (Minitool partition wizard, Panasonic SD formatter, etc.). When I unmount/mount or restart data corrupts
vladimir.gjurovski said:
Thank you for your reply. I did as you suggested and it worked for some time. I mounted/unmounted several times and it seemed fine. Then did a restart and the files were corrupted again.
Why does the card need to be divided in 2*32GB in the first place? Isn't the S4 suppose to support 64 GB cards?
Your suggestion seemed to isolate only part of the problem. It remains only the restart. What can be associated with corrupting data on sd card and android restart?
Click to expand...
Click to collapse
No, it depends on your kernel if it supports a certain FS. I am not sure why your files are being corrupted other than one, your ROM isn't unmounting your card properly on restart or two, your card has issues. Again, I am not sure.
Sent from my SGH-M919 using XDA Premium 4 mobile app
In that case do you suggest I try changing kernel? Do you think that might help? My kernel version is 3.4.0-2082040 if that means something. Do all S4s come with the same or different kernel? Will it help If I unroot or maybe install other ROM for different country or different operator?
re: external sdcard
vladimir.gjurovski said:
In that case do you suggest I try changing kernel? Do you think that might help? My kernel version is 3.4.0-2082040 if that means something. Do all S4s come with the same or different kernel? Will it help If I unroot or maybe install other ROM for different country or different operator?
Click to expand...
Click to collapse
All the stock S4's come with the same kernel, so if your S4 is stock then it's not a kernel issue.
Have you tried any other external microsd cards, if not that's what I would do next.
Most of the better microsd cards have either a 2-3 year or a lifetime warranty.
Good luck!
I currently use my old 8GB sd card with no problems whatsoever. My S4 is rooted. Does that change the kernel? Should I unroot?
Misterjunky said:
All the stock S4's come with the same kernel, so if your S4 is stock then it's not a kernel issue.
Have you tried any other external microsd cards, if not that's what I would do next.
Most of the better microsd cards have either a 2-3 year or a lifetime warranty.
Good luck!
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Click to collapse