SD card, read only mode - LG G5 Questions & Answers

Hi all,
I have a bit of a problem with my SD card. I'm able to see contents of the card however I cannot delete or modify them. I tried formatting card but I'm once again unable to do it. Micro SD is not encrypted, I'm using fingerprint to unlock my phone and have a pin set up as a backup. I also tried wiping contents from twrp to no avail.
I've never put this card into any kind of external card readers. Running Nougat 20a, rooted, with custom recovery of course.
If you have any suggestions please write.
Sent from my LG-H850 using Tapatalk

aca89 said:
Hi all,
I have a bit of a problem with my SD card. I'm able to see contents of the card however I cannot delete or modify them. I tried formatting card but I'm once again unable to do it. Micro SD is not encrypted, I'm using fingerprint to unlock my phone and have a pin set up as a backup. I also tried wiping contents from twrp to no avail.
I've never put this card into any kind of external card readers. Running Nougat 20a, rooted, with custom recovery of course.
If you have any suggestions please write.
Click to expand...
Click to collapse
Try pc formatting programs. I remember hp had a good one that was free. If that fails, your card is screwed. They make some cheap quality unfortunately.
Sent from my LGE LG-H830 using XDA Labs

aca89 said:
Hi all,
I have a bit of a problem with my SD card. I'm able to see contents of the card however I cannot delete or modify them. I tried formatting card but I'm once again unable to do it. Micro SD is not encrypted, I'm using fingerprint to unlock my phone and have a pin set up as a backup. I also tried wiping contents from twrp to no avail.
I've never put this card into any kind of external card readers. Running Nougat 20a, rooted, with custom recovery of course.
If you have any suggestions please write.
Sent from my LG-H850 using Tapatalk
Click to expand...
Click to collapse
I've had this same problem with at least 4 cards now - all of them Sandisk!! I have looked all over the internet and tried a multitude of possible solutions but I've never found a solution to this.

lug said:
I've had this same problem with at least 4 cards now - all of them Sandisk!! I have looked all over the internet and tried a multitude of possible solutions but I've never found a solution to this.
Click to expand...
Click to collapse
This is also a SanDisk, so I'll never buy it again. I tried repairing it with chkdsk /r in windows, tried formatting, found an micro sd adapter and tried toggling the lock switch - TNA. If anyone has any idea feel free to share.

aca89 said:
This is also a SanDisk, so I'll never buy it again. I tried repairing it with chkdsk /r in windows, tried formatting, found an micro sd adapter and tried toggling the lock switch - TNA. If anyone has any idea feel free to share.
Click to expand...
Click to collapse
Yeah SanDisk is straight garbage. Go for Samsung and grade 10 on up. Amazon gots good priced 1s. Always cloud backup your stuff. Because even the good 1s eventually die. Mine typically last 1-2 years. I download and delete a lot of stuff more then a normal person would.
Sent from my LGE LG-H830 using XDA Labs

This issue has happened to me six times, with my Sprint LG G5.
Three cards were Samsung EVO 128 GB cards. And the other three were Lexar 633x 32 GB cards.
I tried EVERYTHING. Windows, Linux, Mac, Android, all report that its read only, and throw errors.
The only good thing is that I can see all of my data. But its pretty much "burned in there", since all six of the cards are now read only...forever. FOR-EV-ER

antarctica_has_hitler said:
This issue has happened to me six times, with my Sprint LG G5.
Three cards were Samsung EVO 128 GB cards. And the other three were Lexar 633x 32 GB cards.
I tried EVERYTHING. Windows, Linux, Mac, Android, all report that its read only, and throw errors.
The only good thing is that I can see all of my data. But its pretty much "burned in there", since all six of the cards are now read only...forever. FOR-EV-ER
Click to expand...
Click to collapse
IVe had this happen as well.

Related

WTF is wrong with my Evo and SD card??

OK I'm at a loss. I've searched for this issue and haven't seen anybody else experiencing this problem.
My Evo is relatively new. Had it just about a month now. Still stock. Haven't had any real problems until I bought a 32GB SD card. I've purchased 2 actually and have had the same issue with both. The phone reads the card fine supposedly. Shows 32GB available (just about). But I'm having the HARDEST time copy files to the card. I've got a ton of music, pics, ringtones, etc I'd like to get on this device. I can connect the phone to my PC, mount as a disk drive and copy to my heart's content. But then when I disconnect the phone and try to access some of those files, they're gone. I mean just GONE. The entire directory I just created with all of it contents... GONE!! Not misplaced or deleted by accident. GONE like they were never there. Like I didn't just spend 10 minutes copying 2gigs worth of files. And this happens just about every time I try. I unmount the phone properly, see the message on screen "preparing sd card" and all seems fine. But my music player says there are no files. Gallery is empty. Go back to look for the files I just copied on the card and nothing. Nowhere to be found. Now of the few hundred times I've tried this now, the directory actually stayed put a couple times. I was able to view my pics, or listen to my music. The folders stay right where I put them. But guess what. The next time I try to copy more files, my directories will disappear again. I've tried 2 different brand SD cards with the same results on both. I've used both Astro and ES to view the cards but it doesn't make a difference. I've even used and external card reader and copied files directly to the card. Still no luck. Please help. This is driving me crazy. Could this be a problem with the phone itself? I don't get it...
Well if you have used an external sd reader without success then the problem is not your phone. Your saying if you copy files to your sd,you cant see them after? So it doesn't copy from an external reader?
Sent from my EVO using xda premium
---------- Post added at 05:49 PM ---------- Previous post was at 05:45 PM ----------
I strongly believe the problem is the format of your card or your computer.
If you are transferring files from your external sd reader and if its still there when you check,but gone when you insert it in your phone. Then I also strongly believe that you are looking in
/sdcard directory which you should actually be looking at /sdcard/ext_sd/
Sent from my EVO using xda premium
I'm saying that no matter if I use an external card reader, SD adapter, or connect the phone directly with a USB cable, the files I copy to the card will disappear "magically" once I dismount the card from the PC and attempt to read on the phone. Usually this is the case. But like I said, a handful of times, the files were where I put them, but disappeared the next time I tried to copy more files to the card. And no I'm not looking in the wrong directory. I know the difference between the sdcard and ext_sd folders.
What brand of cards are they? Do you have the same problem with cards of a smaller capacity?
Sent from my EVO using xda premium
This looks like a problem with your computer settings. With some configurations, if you don't explicitly eject/unmount the drive from the PC, it won't actually move the files. It will only truly copy them when you begin the eject process.
I tried a Kingston 32GB class 10 card first, then bought a generic 32GB class 10. Same issue with both. I do have a smaller 8GB SanDisk class 4 card that I have not tried yet.
I made sure to "safely remove" the cards when connected to the PC. I've tried from both a desktop and laptop. Same results all around. I thought maybe the problem is with class 10 cards but I haven't heard anyone else having issues. I also thought to try a 16GB card. But that would suck since other folks are having success with 64GB cards.
I'm about to try to reset my phone and see if that makes any difference. I may be headed back to the Sprint store this weekend.
troublefunk said:
I tried a Kingston 32GB class 10 card first, then bought a generic 32GB class 10. Same issue with both. I do have a smaller 8GB SanDisk class 4 card that I have not tried yet.
I made sure to "safely remove" the cards when connected to the PC. I've tried from both a desktop and laptop. Same results all around. I thought maybe the problem is with class 10 cards but I haven't heard anyone else having issues. I also thought to try a 16GB card. But that would suck since other folks are having success with 64GB cards.
I'm about to try to reset my phone and see if that makes any difference. I may be headed back to the Sprint store this weekend.
Click to expand...
Click to collapse
Have you tried formatting the sd within the phone?
banccalif said:
Have you tried formatting the sd within the phone?
Click to expand...
Click to collapse
YUP. Tried that too with both cards. Also tried formatting on the PCs.
troublefunk said:
YUP. Tried that too with both cards. Also tried formatting on the PCs.
Click to expand...
Click to collapse
Im at a loss then
troublefunk said:
I tried a Kingston 32GB class 10 card first, then bought a generic 32GB class 10. Same issue with both. I do have a smaller 8GB SanDisk class 4 card that I have not tried yet.
I made sure to "safely remove" the cards when connected to the PC. I've tried from both a desktop and laptop. Same results all around. I thought maybe the problem is with class 10 cards but I haven't heard anyone else having issues. I also thought to try a 16GB card. But that would suck since other folks are having success with 64GB cards.
I'm about to try to reset my phone and see if that makes any difference. I may be headed back to the Sprint store this weekend.
Click to expand...
Click to collapse
Where did you buy these cards? This seems like a fake capacity card symptom to me. Try copying just one or two songs and see if they stay. The cards are probably fine but this is something I ran across with a friend's card before who unfortunately turned out to be a fake. I hope it's not the case for you. Also (since the cards seem to be empty for you) run this to be sure the SD card is genuine.
If you actually bought it from a reputable source, then my bad but it's best to get all bases covered.
Now if the above is not it and you had the problem with two different cards, then the issue (probably) lies with your computer/transfer cable. Try doing the reverse, copy some things on the card from the phone and try to read it on the PC. If you need something to copy you can always copy the ringtones that come with the phone at /system/media/audio/ringtones.
Let me know what you find out
I seem to recall issues initially with 32g cards acting up, but I thought only if they were a certain class but could be related? Try the 8g you have. I had issues mounting the 32g I had, class 4 I believe, when I was still on stock. Sometimes it would mount, other times it would dismount for no reason without any warning. I would just know bc I couldn't access any thing on it.
Sent from my EVO using xda app-developers app
Make sure the cards are formatted Fat 32 to begin with. And yes, definitely try the smaller sd card you mentioned.
Are you sure your looking in sdcard2 and not sdcard when in a file manager?
Sent from my EVO using Xparent SkyBlue Tapatalk 2
Download SDFormatter from sdcard.org. It has always fixed my sd card issues with my phones.
Sent from my EVO using Tapatalk 2
OK well here is an update.
It turns out the generic 32GB class 10 card was defective. Was able to verify that with the test utility racer posted. Thanks for that btw. I'm running the same test on the kingston card to see what it says.
I also did locate my 8GB class 4 card and that worked like a charm. No problems copying data to or from the card and definitely no disappearing directories. I just want a larger card. LOL. Hopefully the kingston one is ok after I format and test it.

64GB MicroSDXC working

Hi everyone, just wanted to confirm that 64GB MicroSDXC cards do work. I bought this one http://www.amazon.com/dp/B007WTAJTO/ref=pe_175190_21431760_M3T1_ST1_dp_1
At first it will not work, but you must format it with the phone and it will work well. Reports 59.6 GB
Saludos,
Gustavo
gusbeto37 said:
Hi everyone, just wanted to confirm that 64GB MicroSDXC cards do work. I bought this one
At first it will not work, but you must format it with the phone and it will work well. Reports 59.6 GB
Saludos,
Gustavo
Click to expand...
Click to collapse
Same here, works perfectly! No problems since I got it 5 days ago... :good:
an21281 said:
Same here, works perfectly! No problems since I got it 5 days ago... :good:
Click to expand...
Click to collapse
Same here.
Sent from my DROID RAZR HD using xda premium
having tons of problems with mine; tried formatting in Windows (FAT32 with "guiformat.exe"), formatting in the device a few times...
Every time, when trying to copy stuff onto the card from my Windows machine, after a few GB the connection just drops...and then the card doesnt seem to work properly until re-format. Everything is *extremely* slow to respond, even to the point of screwing with explorer when I open "Computer" in Windows from the start menu...
Bad device? Bad card? PEBCAK?
SturmenE36 said:
having tons of problems with mine; tried formatting in Windows (FAT32 with "guiformat.exe"), formatting in the device a few times...
Every time, when trying to copy stuff onto the card from my Windows machine, after a few GB the connection just drops...and then the card doesnt seem to work properly until re-format. Everything is *extremely* slow to respond, even to the point of screwing with explorer when I open "Computer" in Windows from the start menu...
Bad device? Bad card? PEBCAK?
Click to expand...
Click to collapse
You probably got a dud. I would return it. Haven't had any problems like that here.
Sent from my DROID RAZR HD using Tapatalk 2
SturmenE36 said:
having tons of problems with mine; tried formatting in Windows (FAT32 with "guiformat.exe"), formatting in the device a few times...
Every time, when trying to copy stuff onto the card from my Windows machine, after a few GB the connection just drops...and then the card doesnt seem to work properly until re-format. Everything is *extremely* slow to respond, even to the point of screwing with explorer when I open "Computer" in Windows from the start menu...
Bad device? Bad card? PEBCAK?
Click to expand...
Click to collapse
Probably its a fake, do a google search about fake flash drives and memory cards and use the sugested program to test the card.
Warning, it will be slow.
Sent from my GS+ using ivendor's CM10 and xda premium
itsdubai said:
You probably got a dud. I would return it. Haven't had any problems like that here.
Sent from my DROID RAZR HD using Tapatalk 2
Click to expand...
Click to collapse
believable- this is why I only buy Extreme Pro CF cards for my camera
alas...the Extreme Pro line stops at 16GB for the MicroSDXC line, (perhaps thats a hint at the difficulty of reliably making rad MicroSD cards?) and I'll be damned if I have an Android with less storage capacity than an iPhone.
saulotas said:
Probably its a fake, do a google search about fake flash drives and memory cards and use the sugested program to test the card.
Warning, it will be slow.
Click to expand...
Click to collapse
Doubtful...sold by Amazon.com LLC. I don't buy eBay shiest unless I can't find it on amazon or somewhere that either accepts google wallet or is within driving/shouting distance. Still though, I took your advice and downloaded H2testw and will run the test tonight.
Thanks for all the ideas guys!
That used to happen to me, got very frustrated because I could never copy things to my flash cards. Turns out the problem was my card reader. Try getting one of the USB ones that can actually read SDXC. I don't have one, so what I did is put it in the phone, then connect via USB to the computer in mass storage mode and it worked great.
I had the 64GB SDXC as well, it at first seemed to work, but don't be surprised if it stops working. Motorola, and I believe stock Android do not support SDXC yet. I have a somewhat detailed thread here: http://www.droidforums.net/forum/dr...d-cards-hd-maxx-hd-class-10-32gb-vs-64gb.html
When I got my card, popped it in, it formatted correctly, and seemed to work fine. As I started to put it through its paces it started to just not work. On ICS when you used the Storage option to transfer media to the SD card, it would stop halfway through and throw out errors. Eventually certain apps would stop writing/seeing the card like backup apps etc..
Be careful going forward, and test it hardcore. Transfer files back and forth, I always had issues with movie files. See if Root Explorer or other explorer apps can see it, see if Titanium Backup or My Backup Pro/SMS Backup can see and write to the card.
And yes, I did not get a dud, its works in other non-Android devices and works and tests perfectly in multiple computers. Just be cautious.
macpro88 said:
I had the 64GB SDXC as well, it at first seemed to work, but don't be surprised if it stops working. Motorola, and I believe stock Android do not support SDXC yet. I have a somewhat detailed thread here
Click to expand...
Click to collapse
These are all the same symptoms I'm having. Well, it looks like Motorola actually had testing and reasoning behind "supports up to 32GB" :-| That'll teach us to think we're smarter than the factory QA guys...
Still though, it's a little disappointing.
SturmenE36 said:
These are all the same symptoms I'm having. Well, it looks like Motorola actually had testing and reasoning behind "supports up to 32GB" :-| That'll teach us to think we're smarter than the factory QA guys...
Still though, it's a little disappointing.
Click to expand...
Click to collapse
Indeed, some of the Sammy devices support the SDXC 64GB card, but I think that's baked into TouchWiz. Hopefully as SDXC gets more popular it will become supported by Android all together. It would be nice to have at least half of my music library on my car so I don't have to stream all the time lol.
Confirmed working with a 64GB SDXC, works pretty well actually, now I'll never run out of space.
I bought 2 64GB micro SDXC cards. One for my Xoom and the other for my upcoming XT925. My Xoom was unable to format it so I used EaseUS Partition Master to format my 64GB cards as FAT32 partitions. So far so good...
I tried my sandisk SDXC 64Gb yesterday with no luck. It was formated to exFat though. I will try EaseUS tonight and try formatting it to Fat32.
Cheers
cheetah2k said:
I tried my sandisk SDXC 64Gb yesterday with no luck. It was formated to exFat though. I will try EaseUS tonight and try formatting it to Fat32.
Cheers
Click to expand...
Click to collapse
I just got a 64gb micro sdcard, when I first put it in my phone it was exfat formatted, so my phone couldn't read it. Once I formatted the card with the fat32formatter (found online), it worked great. Good luck.
Sent from my XT925 using Tapatalk 2
I have a 64GB card. No issues.Took the card out of my Maxx.
I bought a 64 sandisk sdxc class 10 and tried it in the phone. Didn't work. Formatted to fat32 with a partition program, still wouldn't work. Got fed up, deleted all the partitions, threw it in the phone and itr was recognized, but blank. Had the phone format it, and it works. Phenomenally actually. Haven't tested read/write, but I've filled it a few times over looking for problems and had none. Without looking I think I have just shy of 40 used on it right now.
You'd think Motorola would say something about that.
Got a 64gb sandisk class 10 and it's really buggy.
Forceclose/card disabled automaticly/cant see my files/Many lags.
So for me the xt925 is not compatible with it.
I've been using mine for about a year now, it's been working flawlessly. I had to format in my phone the initial time I first used it.
Sent from my XT925 using xda app-developers app

[Q] HELP! - S3 killed SanDisk 32gb Ultra Micro-SD

Hi guys
I know about the SanDisk Micro-SD card problem with Samsung Galaxy S3's and I happen to be one of the victims.
My SanDisk Micro-SD 32gb Ultra has had problems in the past. It sometimes says blank sd card but it eventually works again. At one point it said sd card damaged but the card still worked. Up until yesterday it hasn't stopped working for a while but now my phone says blank sd card. I tried putting it into a windows computer but it cannot be detected. When using a usb adapter it just shows a device in drive "?:" and can't do anything with it and when using a micro sd to sd card reader it doesn't show at all. In Mac the micro sd to sd card reader is detectable and shows the size of 32.1 MB and is called "Apple SDXC Reader Media". The micro sd card itself is not detectable it seems. I have tried many device recovery software but none of them work. They all seem to just be scanning the card reader and not the micro sd itself.
Does anyone know how I can recover the Micro-SD card?
It is quite important because I have my school laptop data backed up on it (which was just handed in for a system upgrade and being wiped) and also my phone pictures, videos and other stuff.
Any help will be greatly appreciated
blackhand64 said:
Hi guys
Does anyone know how I can recover the Micro-SD card?
It is quite important because I have my school laptop data backed up on it (which was just handed in for a system upgrade and being wiped) and also my phone pictures, videos and other stuff.
Any help will be greatly appreciated
Click to expand...
Click to collapse
It may be recoverable by a specialist company, But i believe the going rate is approx £900. My first step would be to try sticking it in the freezer for at least 8 hours (but as long as you can manage the longer the better) then try it in your phone, if this works back up all the data and RMA the card to SanDisk. Let this be a lesson to us all that all data on our cards should be backed up regularly, I understand you werent expecting the card to fail but had you lost your phone the result would have been the same.
I doubt you will be able to recovery the data, formatting the card with the sd formatting tool might make the card useable again but I doubt it. When I've had cards corrupt more than once it is best to throw them away and get a different make.
You can try looking for a specialist data recovery expert, locally or on the web - if the data is very valuable to you.
ghostofcain said:
It may be recoverable by a specialist company, But i believe the going rate is approx £900. My first step would be to try sticking it in the freezer for at least 8 hours (but as long as you can manage the longer the better) then try it in your phone, if this works back up all the data and RMA the card to SanDisk. Let this be a lesson to us all that all data on our cards should be backed up regularly, I understand you werent expecting the card to fail but had you lost your phone the result would have been the same.
Click to expand...
Click to collapse
First of all I don't have £900 to throw around, besides the fact it totally isn't worth £900 to get it fixed.
Second, before I start chucking my SD card in the freezer what exactly does freezing it do and how will it help it? You sure it won't just destroy it for good? I can leave it in the freezer for as long as needed as I can't exactly use the card in the mean time.
Thanks for the reply though
Hope I can get it to work
Freezing is a method that may give a brief recovery on some hard disc failures .
Note hard disc never heard of freezing ram or why it could work .
jje
JJEgan said:
Freezing is a method that may give a brief recovery on some hard disc failures .
Note hard disc never heard of freezing ram or why it could work .
jje
Click to expand...
Click to collapse
There's someone around here that reported it worked for them, and it's not gonna do any harm to try. But true it would be at best a temporary fix.
Sent from my GT-I9300 using Tapatalk 2
ghostofcain said:
There's someone around here that reported it worked for them, and it's not gonna do any harm to try. But true it would be at best a temporary fix.
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
Well I left it in the freezer for almost 24 hours and tried it and it still doesn't work
What do I do
Any other suggestions?
Sent from my GT-I9300 using xda app-developers app
I have the same card, no problems at all.
Gesendet von meinem GT-I9300 ^_^
toterkeks said:
I have the same card, no problems at all.
Gesendet von meinem GT-I9300 ^_^
Click to expand...
Click to collapse
You are lucky enough to have a card without the problem. Doesn't help my situation though....
When did you get it?
Sent from my GT-I9300 using xda app-developers app
blackhand64 said:
Well I left it in the freezer for almost 24 hours and tried it and it still doesn't work
What do I do
Any other suggestions?
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
Not a lot.Contact retailer, or SanDisk direct for a replacement card and chalk it down to experience.
This is a known issue with sandisk at the moment. They are replacing cards when they die.
As for data, please look into foldersync for future. Sync data to cloud or computer
Sent from my GT-I9300 using Tapatalk 2
rootSU said:
This is a known issue with sandisk at the moment. They are replacing cards when they die.
As for data, please look into foldersync for future. Sync data to cloud or computer
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
Ok then I'll just have to get it replaced.
A thought just occurred to me though.
Before I had my school laptop backed up on my micro-sd card I had it backed up on a usb. Because it was only an 8gb usb I transfered it to my micro sd because it took up too much space. I've heard of software that can recover deleted files from devices. Would it be possible to recover the deleted backup on my usb? The backup in total would have been about 1 - 2gb. If so, what free program could I use to recover it?
Thanks in advance
Possibly. As an IT support engineer, I don't want to get your hopes up though.
Things like NTFS get back may work but most if them are not free.
I took Handy recovery 1 (free version) from a bootable cd tool once, you could try that and may recover a small amount of data but its always safest to assume it gone.
The more you use the usb device, the less chance you have of recovery
http://db.tt/VQwJwHoI
Sent from my GT-I9300 using Tapatalk 2
No worries mine died after 5 minutes of use bought from amazon 64gb ultra sdxc .I had it working but the data I put in gets erased immediately and if I reboot my phone the data is still there then it shows 59.47 gb as full seconds later blank sd or damaged error.now it just won't format in any way fat 32 or exfat.im rma back to Sandisk in the morning.
Sent from my SAMSUNG-SGH-I317 using Tapatalk 2
rootSU said:
Possibly. As an IT support engineer, I don't want to get your hopes up though.
Things like NTFS get back may work but most if them are not free.
I took Handy recovery 1 (free version) from a bootable cd tool once, you could try that and may recover a small amount of data but its always safest to assume it gone.
The more you use the usb device, the less chance you have of recovery
http://db.tt/VQwJwHoI
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
If nothing works then I may take it to my school IT guys (when school starts again, currently holidays)
Think they would have something to fix the card or recover the data?
It depends on the state.
The media has a File System. This could be FAT32, NTFS, exFAT etc. Essentially (without going technical) imagine these file systems as a database table. When you add a file to the media, an entry is written to the table to identify the exact location of the file on the media. That way, when an operating system views the card and the user accesses a file, the table tells the OS where to look for the file.
Typically with these file systems, when you delete the file, the file remains. Only the Table entry is removed. The OS can no longer locate the file. the OS is shown the free space as per what the table says - not what is really the truth.
So once a file is deleted, 3rd party applications can scan the media and find the files (without using the table).
Of course there is a problem in that any space that the table shows as unallocated (you deleted the file), new files will overwrite the old files. That is when the data becomes unrecoverable.
So yes, it's possible that even if the formatted filesystem is damaged, the data on the media can be recovered. But if you added new files since, then the chances are the unreferenced data has been actually overwritten. In this case, it is gone.
rootSU said:
It depends on the state.
The media has a File System. This could be FAT32, NTFS, exFAT etc.
So yes, it's possible that even if the formatted filesystem is damaged, the data on the media can be recovered. But if you added new files since, then the chances are the unreferenced data has been actually overwritten. In this case, it is gone.
Click to expand...
Click to collapse
What file system are you taking about here? The damaged file system (micro-sd card) can't have new files added to it as it is inaccessible. It also has not been formatted since the problem. The usb with the deleted files is not damaged and not formatted but I have put new files on it since. Sounds like you're combining the two different devices. Sorry if this is a bit confusing.
Sent from my GT-I9300 using xda app-developers app
blackhand64 said:
What file system are you taking about here? The damaged file system (micro-sd card) can't have new files added to it as it is inaccessible. It also has not been formatted since the problem. The usb with the deleted files is not damaged and not formatted but I have put new files on it since. Sounds like you're combining the two different devices. Sorry if this is a bit confusing.
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
Both; I am answering the question for both devices at once. I'm not confused
rootSU said:
Both; I am answering the question for both devices at once. I'm not confused
Click to expand...
Click to collapse
Ok. I thunk I'm da confused one
Anyway, so basically you're saying that it is possible for the IT guys at my school to fix the micro sd card and recover its data right? I don't think I'm going to bother trying to recover the deleted one on my usb.
Sent from my GT-I9300 using xda app-developers app
The s3 doesn't play very well with sandisk cards in general (samsung confirmed this) . I personally use a pny and have no issues, I would suggest trying to return the card and get a different brand.
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External SD card help

I have a Sandisk Ultra class 10 64gb external SD card which has worked well since I purchased the phone (several months ago). Recently however, I've been running into issues where the ROMs I've tried won't recognize it (Beans, Carbon, Liquid). The strange part is that TWRP recognizes it without a problem (I've flashed from it several times). I've tried both nandroid and clean flashes. I've done a a battery pull and booted the phone without the card mounted. When I insert the card, I get the typical "Preparing SD card" message, which doesn't seem to go away.
Anyone have any suggestions on how I could try and fix it (other than hopefully buying a new card)? Thanks.
EDIT: Ignore. Formatted the card and that seems to have fixed it for now.
Aesrys said:
I have a Sandisk Ultra class 10 64gb external SD card which has worked well since I purchased the phone (several months ago). Recently however, I've been running into issues where the ROMs I've tried won't recognize it (Beans, Carbon, Liquid). The strange part is that TWRP recognizes it without a problem (I've flashed from it several times). I've tried both nandroid and clean flashes. I've done a a battery pull and booted the phone without the card mounted. When I insert the card, I get the typical "Preparing SD card" message, which doesn't seem to go away.
Anyone have any suggestions on how I could try and fix it (other than hopefully buying a new card)? Thanks.
EDIT: Ignore. Formatted the card and that seems to have fixed it for now.
Click to expand...
Click to collapse
I was going to say, Format the card should do the trick.
I have the same card but the 32gb. On Amazon alot of people complained about the card not functioning after 6 months of use. So I opted for the 32gb version which had the same complaint, just not as abundant.
Aesrys said:
I have a Sandisk Ultra class 10 64gb external SD card which has worked well since I purchased the phone (several months ago). Recently however, I've been running into issues where the ROMs I've tried won't recognize it (Beans, Carbon, Liquid). The strange part is that TWRP recognizes it without a problem (I've flashed from it several times). I've tried both nandroid and clean flashes. I've done a a battery pull and booted the phone without the card mounted. When I insert the card, I get the typical "Preparing SD card" message, which doesn't seem to go away.
Anyone have any suggestions on how I could try and fix it (other than hopefully buying a new card)? Thanks.
EDIT: Ignore. Formatted the card and that seems to have fixed it for now.
Click to expand...
Click to collapse
I see you've fixed the issue, just in case you didn't already know though AOSP ROMs can only use the card when its formatted as fat32. TW ROMs can use the card formatted as exfat. Going back and forth between TW and AOSP may have corrupted your card if it wasn't formatted as fat32 when you went to AOSP.
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shangrila500 said:
I see you've fixed the issue, just in case you didn't already know though AOSP ROMs can only use the card when its formatted as fat32. TW ROMs can use the card formatted as exfat. Going back and forth between TW and AOSP may have corrupted your card if it wasn't formatted as fat32 when you went to AOSP.
Sent from my SCH-I605 using XDA Premium HD app
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Click to collapse
It had previously been formatted as Fat32. Guess we'll have to see if it stays working or if the card died. Thanks.
Aesrys said:
It had previously been formatted as Fat32. Guess we'll have to see if it stays working or if the card died. Thanks.
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Click to collapse
It may just be that the card died, I have several 64 GB class 10 micros and have no issues, from what I hear though the class 10 is the worst and if you can get the original 64GB that wasn't a class 10 these issues aren't there.
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shangrila500 said:
It may just be that the card died, I have several 64 GB class 10 micros and have no issues, from what I hear though the class 10 is the worst and if you can get the original 64GB that wasn't a class 10 these issues aren't there.
Sent from my SCH-I605 using XDA Premium HD app
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Click to collapse
I'm guessing something got corrupt somehow, or the card is on its way out. Once I reformatted it, it started to work again.

sd card

Formatted ext sd via recovery...now I can't install, add or even format. I tried on pc and with twrp again by even using repair and changing file system. Anyone know how I can format this card? It's a 64 gb SanDisk. I can't find any solid solutions online. Thanks.
Tmobilefan906 said:
Formatted ext sd via recovery...now I can't install, add or even format. I tried on pc and with twrp again by even using repair and changing file system. Anyone know how I can format this card? It's a 64 gb SanDisk. I can't find any solid solutions online. Thanks.
Click to expand...
Click to collapse
I have no idea of your hardware, but 64gb is where the switch from SD-HC changed to SD-HC (technically 32 can be either, but generally 32 are HC) and older hardware that didn't explicitly support XC wouldn't work... It either doesn't see it at all or sometimes it will work until you get to 32gb, then you can't write any more data.. I have older SD readers that so both.
But any phone or reader for the last 3-5 yrs handle XC, which has a theoretical 2tb limit, SanDisk has a 400gb microSD.. Insane.
Anyway that's all moot if it used to work in your phone and reader, but just doesn't anymore. Mostly if they're pre-formatted is exFat. If you formatted in TWRP I think it probably defaults to ext4, but TWRP can do a variety of formats.
I got to say though, if you can't reformat it again and TWRP that doesn't sound promising. Perhaps there is an Android app that will let you format with more control than the default tool (I have no idea since the last phone I had with SD was a Droid running GB)
Sorry I didn't really offer a solution, I have had problems with micro SD cards in general with generic brands... But I generally format them in the device I'm using them with and then I have a small USB thumb drive size thing that the micro SD card goes completely inside of and windows generally mounts whatever format it might be, provided drivers are installed.
Also sorry this is so long-winded I tend to do that when I'm voice dictating...
If you have more info that might be helpful drop a line. It doesn't take much to bugger up a microSD card though. Could be as simple as damage (static or physical) when removing it from the phone and putting it in the computer. But the proximity of time when formatted to not working makes that unlikely.
And I'm rambling again.
Cheers.
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Garbonzo17 said:
I have no idea of your hardware, but 64gb is where the switch from SD-HC changed to SD-HC (technically 32 can be either, but generally 32 are HC) and older hardware that didn't explicitly support XC wouldn't work... It either doesn't see it at all or sometimes it will work until you get to 32gb, then you can't write any more data.. I have older SD readers that so both.
But any phone or reader for the last 3-5 yrs handle XC, which has a theoretical 2tb limit, SanDisk has a 400gb microSD.. Insane.
Anyway that's all moot if it used to work in your phone and reader, but just doesn't anymore. Mostly if they're pre-formatted is exFat. If you formatted in TWRP I think it probably defaults to ext4, but TWRP can do a variety of formats.
I got to say though, if you can't reformat it again and TWRP that doesn't sound promising. Perhaps there is an Android app that will let you format with more control than the default tool (I have no idea since the last phone I had with SD was a Droid running GB)
Sorry I didn't really offer a solution, I have had problems with micro SD cards in general with generic brands... But I generally format them in the device I'm using them with and then I have a small USB thumb drive size thing that the micro SD card goes completely inside of and windows generally mounts whatever format it might be, provided drivers are installed.
Also sorry this is so long-winded I tend to do that when I'm voice dictating...
If you have more info that might be helpful drop a line. It doesn't take much to bugger up a microSD card though. Could be as simple as damage (static or physical) when removing it from the phone and putting it in the computer. But the proximity of time when formatted to not working makes that unlikely.
And I'm rambling again.
Cheers.
Click to expand...
Click to collapse
Yes. It formatted to ext4.
Garbonzo17 said:
I have no idea of your hardware, but 64gb is where the switch from SD-HC changed to SD-HC (technically 32 can be either, but generally 32 are HC) and older hardware that didn't explicitly support XC wouldn't work... It either doesn't see it at all or sometimes it will work until you get to 32gb, then you can't write any more data.. I have older SD readers that so both.
But any phone or reader for the last 3-5 yrs handle XC, which has a theoretical 2tb limit, SanDisk has a 400gb microSD.. Insane.
Anyway that's all moot if it used to work in your phone and reader, but just doesn't anymore. Mostly if they're pre-formatted is exFat. If you formatted in TWRP I think it probably defaults to ext4, but TWRP can do a variety of formats.
I got to say though, if you can't reformat it again and TWRP that doesn't sound promising. Perhaps there is an Android app that will let you format with more control than the default tool (I have no idea since the last phone I had with SD was a Droid running GB)
Sorry I didn't really offer a solution, I have had problems with micro SD cards in general with generic brands... But I generally format them in the device I'm using them with and then I have a small USB thumb drive size thing that the micro SD card goes completely inside of and windows generally mounts whatever format it might be, provided drivers are installed.
Also sorry this is so long-winded I tend to do that when I'm voice dictating...
If you have more info that might be helpful drop a line. It doesn't take much to bugger up a microSD card though. Could be as simple as damage (static or physical) when removing it from the phone and putting it in the computer. But the proximity of time when formatted to not working makes that unlikely.
And I'm rambling again.
Cheers.
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Click to collapse
It even displays error in twrp
Tmobilefan906 said:
It even displays error in twrp
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Click to collapse
And this is when I load it default on a pc
Tmobilefan906 said:
And this is when I load it default on a pc
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Click to collapse
Well the Windows machine won't read ext4 without third-party software... But I don't see why that would keep you from formatting again. And if TWRP does the same thing, errors out, then I got think the card's had it.
If you're trying to use it in the phone you should leave it in ext4, but if you're trying to use it and windows you could try to format it exFat in TWRP.
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Garbonzo17 said:
Well the Windows machine won't read ext4 without third-party software... But I don't see why that would keep you from formatting again. And if TWRP does the same thing, errors out, then I got think the card's had it.
If you're trying to use it in the phone you should leave it in ext4, but if you're trying to use it and windows you could try to format it exFat in TWRP.
Click to expand...
Click to collapse
I tried changing file system to a different type so that I could wipe it in twrp. But even after I do that, it still says it's ext4 on the pc
Garbonzo17 said:
Well the Windows machine won't read ext4 without third-party software... But I don't see why that would keep you from formatting again. And if TWRP does the same thing, errors out, then I got think the card's had it.
If you're trying to use it in the phone you should leave it in ext4, but if you're trying to use it and windows you could try to format it exFat in TWRP.
Click to expand...
Click to collapse
I tried eaus partition tool...didnt work. Any suggestions? Thanks.
Tmobilefan906 said:
I tried eaus partition tool...didnt work. Any suggestions? Thanks.
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Click to collapse
Nothing really.
I am curious though. Can you give me specs on the card brand/model/serial?
Also, I have had good results with UFS Explorer Recovery pulling data when nothing else will. I think there's a free trial, but you plobably have to pay for it to do anything other than verify it 'can' successfully recover, not sure, but if it is data that you need, it is good.
I only ask about the card because I found in the past I bought like three identical adata brand SD cards and one appeared to be DOA and I couldn't do anything with it and lo and behold adata had found a firmware thing that they could actually fix and they had a tool that did it.
If you want to go down a rabbit hole there is a sticky XDA thread https://forum.xda-developers.com/showthread.php?t=1355528&page=2 with various degrees of helpfulness. Its a little dated, but the ideas are sound for most of it.
Really i just googled "sd card bad after formatting twrp" and lost 2 hrs...
Let me know if you have any success, I realize this is either about data or just personal curiosity like mine... Because a probably sub $20 card is not worth this kind of investment... And if its a high end part, probably has lifetime warranty..
-g
Garbonzo17 said:
Nothing really.
I am curious though. Can you give me specs on the card brand/model/serial?
Also, I have had good results with UFS Explorer Recovery pulling data when nothing else will. I think there's a free trial, but you plobably have to pay for it to do anything other than verify it 'can' successfully recover, not sure, but if it is data that you need, it is good.
I only ask about the card because I found in the past I bought like three identical adata brand SD cards and one appeared to be DOA and I couldn't do anything with it and lo and behold adata had found a firmware thing that they could actually fix and they had a tool that did it.
If you want to go down a rabbit hole there is a sticky XDA thread https://forum.xda-developers.com/showthread.php?t=1355528&page=2 with various degrees of helpfulness. Its a little dated, but the ideas are sound for most of it.
Really i just googled "sd card bad after formatting twrp" and lost 2 hrs...
Let me know if you have any success, I realize this is either about data or just personal curiosity like mine... Because a probably sub $20 card is not worth this kind of investment... And if its a high end part, probably has lifetime warranty..
-g
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Click to collapse
Don't want data off of it, just want to format it. Its a SanDisk plus 64 gb card
Tmobilefan906 said:
Don't want data off of it, just want to format it. Its a SanDisk plus 64 gb card
Click to expand...
Click to collapse
Did you request RMA?
https://kb.sandisk.com
I'm not sure if they are lifetime warranty or not, i have a couple ultra plus cards from Costco that were lifetime warranty.
Now on the less ethical side, if it's a current model, plckup a new one then swap/return. But obviously thats evil.
Garbonzo17 said:
Did you request RMA?
https://kb.sandisk.com
I'm not sure if they are lifetime warranty or not, i have a couple ultra plus cards from Costco that were lifetime warranty.
Now on the less ethical side, if it's a current model, plckup a new one then swap/return. But obviously thats evil.
Click to expand...
Click to collapse
I would swap....but my data is on it. Lol. I can't delete ANYTHING on the card. Can't format, or right click a file and chose delete. It somehow got from ntfs to ext4
Tmobilefan906 said:
I would swap....but my data is on it. Lol. I can't delete ANYTHING on the card. Can't format, or right click a file and chose delete. It somehow got from ntfs to ext4
Click to expand...
Click to collapse
For whatever reason your account is disabled, but i saw today (and for next 8hs till Sunday at 6am est 11/26/2017) there are 64gb SanDisk hdxc cards... $14.99.

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