What is wiping my external SD card ? - General Questions and Answers

For the 2nd time in a week, I've got my SD card entirely reformatted by itself, and lost all my docs, photos, mp3... Not fatal, because I have backups...
But I'm extremely mad at my Android (Samsung Galaxy A6 plus 2018, not rooted), as I can't understand how a SD card can get wiped out by itself and, I think, while on screen off. What app could have done that?
I've read that the card could be hardware faulty , but It worked perfect in my previous Note 4 android for a year, and never gave me trouble.
I also need some advice on recovering docs from the card, as I've lost my most recent photos. Thanks.
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Hi. It was a faultly sdcard: today again, after re-installing my backup, all my files are gone !
Well, I'll have to buy a new one
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Related

Non Root Users: SD Card can create major issues if not kept up with

Ok so I have a samsung class 10 16Gb micro SD card in my sensation 4g, and as of the last 2 weeks I thought my phone was breaking and needed a new one because the old one kept restarting while trying to use navigation, pictures weren't loading in the gallery, and certain apps would just randomly force quit.
After 2 weeks of dealing with the crap and trying to fix it myself, went and got T-mobile to send me a warranty replacement, and In order to prep for my new device I decided to wipe my card and keep only pictures and music, because it was about 1.52 Gb from being full and I didn't know why the SD Maid app wasn't cleaning out the junk data from previous apps.
In the end with the newly formated memory card my phone works like new, so the warranty replacement is just going to help, because this one had a small screen scratch. Anyone noticing the similar symptoms to the stuff in bold should try to format their memory card, and do a factory reset, it might help
Thanks for the information! This is good to know. I also discovered something with the sd card, I also noticed similar symptoms on a cheap sd card I had got.then I had recently purchased a new one and it was a trusted brand and when I put it I'm my device the symptoms were gone! There is definitely something to this! Bottom line is best to buy a good trusted brand of sd card and not the bargain brand or it could cause trouble!
Sent from my HTC Sensation 4G using xda premium
i had to repartition and reformat mine sd-card,
after 4EXT has told me partitions aren't alighned.
there are tools section in 4EXT anyone can check sd-card with
Thank you SO much, Guy. I've been having those exact same issues to a T. I was getting frustrated with having to find pictures via Astro, not gallery, and last night I got lost because Google Nav kept rebooting my phone. I was ready to huck it out the window. I will try this, and hope it helps!

[Q] 64GB MicroSD Woes

Hello everyone. I have been having issue after issue with this 64GB MicroSD I got recently. I bought it at a local Best Buy the other day (there was a sale going on; $49). It is a SanDisk 64GB Class 10 MicroSD. I got home and formatted the card. I formatted it in FAT32 with the HP USB Format Tool that I always use for SD cards. Well, the moment I put it in, it said that it was damaged (occasionally said that it was blank). I tried removing it and reinserting it, and the same thing. I have tried putting it in a different GSIII as well as a Droid Razr, and same. I tried reformatting with the same tool, but this time doing a long format. Same problem. I also tried EaseUS Partition Master. Same problem. I have also tried using a live build of Parted-Magic. Same problem.
I am starting to think that the card is a dud, except for two things:
1: It works fine in my PC. It reads the exact amount free, it shows all of my files, and it let's me play them with no issue.
2: It shows up in Clockworkmod just fine. I can back up to it and flash from it with no problem.
I am really just left here scratching my head as to what the problem could be. I made sure that all of the settings are correct each time I formatted it. I have tried switching ROMs and still get the same problem. I have tried just about everything that I can possibly think of to get this card working. I am hoping that someone can help me with my problem.
You can call them and they will send you a new one, I did it about a month ago.
I was having similar problems.
Sent from my SCH-I535 using xda app-developers app
Do you think it is a problem with the card? If so, I am still within my return limit at Best Buy. I can just take it there instead of waiting on a replacement. Just wasn't sure if it was the card or something I was doing.
It's a problem with the card. I had the same problem with a 32Gb card from Sandisk. Files could be seen for a day and then disappear! I could tell the camera app to save to the card and that would also work for a while only. Fo/ders create on the card via the computer would do the same. In one situation I created a folder on the PC, copied a film to it, viewed the film in my phone add took some still from the film. The next day the film and folder was gone put the still -stored on the internal memery- were still there.
Contact sandisk. They must be aware of the issue.
stompysan said:
Hello everyone. I have been having issue after issue with this 64GB MicroSD I got recently. I bought it at a local Best Buy the other day (there was a sale going on; $49). It is a SanDisk 64GB Class 10 MicroSD. I got home and formatted the card. I formatted it in FAT32 with the HP USB Format Tool that I always use for SD cards. Well, the moment I put it in, it said that it was damaged (occasionally said that it was blank). I tried removing it and reinserting it, and the same thing. I have tried putting it in a different GSIII as well as a Droid Razr, and same. I tried reformatting with the same tool, but this time doing a long format. Same problem. I also tried EaseUS Partition Master. Same problem. I have also tried using a live build of Parted-Magic. Same problem.
I am starting to think that the card is a dud, except for two things:
1: It works fine in my PC. It reads the exact amount free, it shows all of my files, and it let's me play them with no issue.
2: It shows up in Clockworkmod just fine. I can back up to it and flash from it with no problem.
I am really just left here scratching my head as to what the problem could be. I made sure that all of the settings are correct each time I formatted it. I have tried switching ROMs and still get the same problem. I have tried just about everything that I can possibly think of to get this card working. I am hoping that someone can help me with my problem.
Click to expand...
Click to collapse
I had so many problems witj mine i ended up flashing my phone clean and using the phones to format and transferring everything via usb cord and its working just fine now I think the big deal was a clean install
Sent from my SCH-I535 using xda premium
OK. I went to Best Buy and exchanged it the other day (lucky I bought it when I did; they marked it up to $99!). I am still having the same problem. I am not sure what I am doing right. I have been formatting and copying the files while it isn't in my phone. I am using my card reader in my desktop. Could this be the problem? Am I able to format it while it is in the phone without using the phone's format tool?
First you use the tool to format the card to fat32. Once you do that you are to install it to your phone then use the phone to reformat the card again so the phone can use it. Card will have issues with phones when you format it with the tool. Your suppose to format it with the phone as well after for it to properly work. Good luck
Sent from my IceCold 8.8 Inspire
Just thought I should post on here and let you all know what my problem was. I got it all sorted out and Play Music is showing all of my music. My problem was that EaseUS defaulted the partition as a "logical" partition. This was leaving about 75MB unformatted, and Android didn't know how to handle that empty space. After changing that to a "primary" partition, I have not had any problems. Serious derp on my part. Lol
Sent from my SCH-I535 using Tapatalk 2
I found that if you format the card from in the phone and then transfer data, you shouldn't have any issue.
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If I've helped, please hit the thanks button.

[Q] Micro SD card problem?

My SD card is a bit bugged recently. Basically, the SD card won't do anything such as accessing photos or music. Also, I tried moving some apps to my SD card, but that resulted with a "CONTAINMENT_ERROR" or something like that. Also, when I try to download apps, it says that there are no space in USB or SD memory storage. I know this is wrong because I don't have a USB storage, and my SD card is 1/3 full, so how can I fix this? I think that I require a formatting on my SD, but that's a last resort, with all my info on it. If that's the only way, please suggest this with an explanation.
If this helps, I remember killing some system processes such as some sort of signing thing which I believe is what signs the apps to install onto my phone. Please help me out here. Oh yeah, I can text and call fine as well as accessing the internet and wifi. Anything involving my SD card such as downloads, however, are a different story. Got suggestions?
Have you tried a card reader on your desktop to pull photos and music from it? If so and cannot then I don't know what to tell you but if you can, pull everything you want off of it then format SD card
Sent from my SGH-T959V using xda premium
fabricatedhero said:
Have you tried a card reader on your desktop to pull photos and music from it? If so and cannot then I don't know what to tell you but if you can, pull everything you want off of it then format SD card
Sent from my SGH-T959V using xda premium
Click to expand...
Click to collapse
Yeah, I tried formatting, but it doesn't seem to remove any data. I can move files to my cpu, but when i move apps to my SD card, or at least try, it says [INSTALL_PARSE_FAILED_BAD_MANIFEST] Do you know what that means by any chance? The moving also says [INSTALL_FAILED_CONTAINER_ERROR] too.
KoreanJoker said:
Yeah, I tried formatting, but it doesn't seem to remove any data. I can move files to my cpu, but when i move apps to my SD card, or at least try, it says [INSTALL_PARSE_FAILED_BAD_MANIFEST] Do you know what that means by any chance? The moving also says [INSTALL_FAILED_CONTAINER_ERROR] too.
Click to expand...
Click to collapse
I would be a bit concerned that you can't format the card. Its a good sign that the computer can read the card but not good that you can't format it. See if you can try the card in another smart phone and if you have the same issue its just a problem with the sd card.
Sent from my SGH-T959V using xda app-developers app
SD card not letting me add or delete files
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 just have one question for you guys. Are you using a Galaxy S 4G or the Galaxy S4? If it is the latter, please take your questions
here for T-Mobile
here for Verizon
here for Sprint
here for AT&T
and here for International
as this section is for the Galaxy S 4G. Thanks and good luck.

PNY 32GB sd card problem

Hi everyone, I ran into a huge problem yesterday. So I decided to watch a movie, and transferred one from PC to a sd card, then I realized that it's a wrong movie, so I hooked it up again and a message on PC popped up saying that it needs to format my card in order to use it, I used some software to attempt recovery of files that were on the card but they were gone. So I formatted whole card a few times, just to make sure. And when today, I took few pictures with my phone, few hours later, everything on the card was wiped again. Any help, what can be wrong with it? It's a pretty new card too, purchased it around a month ago.
DarkLP said:
Hi everyone, I ran into a huge problem yesterday. So I decided to watch a movie, and transferred one from PC to a sd card, then I realized that it's a wrong movie, so I hooked it up again and a message on PC popped up saying that it needs to format my card in order to use it, I used some software to attempt recovery of files that were on the card but they were gone. So I formatted whole card a few times, just to make sure. And when today, I took few pictures with my phone, few hours later, everything on the card was wiped again. Any help, what can be wrong with it? It's a pretty new card too, purchased it around a month ago.
Click to expand...
Click to collapse
OK...
If you're getting data loss, then either there was a formatting error, or the card is corrupted.
To rule out format errors, download SD formatter (Google it), and just to be sure, do a full wipe again using it. Don't do a quick format.
If you get data loss even after a format using SD formatter, your card is probably corrupt. So go to the PNY support website, follow the steps for warranty claim and get a replacement.
Yeah I've had few data loss even after formatting(around 5 times), I've formatted it thru 4ext recovery and it seems fine, if it occurs again I'll go to Best Buy and talk with them.
DarkLP said:
Yeah I've had few data loss even after formatting(around 5 times), I've formatted it thru 4ext recovery and it seems fine, if it occurs again I'll go to Best Buy and talk with them.
Click to expand...
Click to collapse
Seriously, SD formatter. Try it next time.
Sent from my HTC Sensation using Tapatalk 4 Beta
I just tried it, it worked for few minutes then phone wasn't recognizing the card.

[Q] Files I Copy to my SD CARD are deleting themselves

Hi everyone,
Starters: Phone is entirely stock, 64 GB San Disk SD Card
So starting yesterday, whenever I copy a new file (mostly mp3's) to my SD card and go to play it off my phone, they are not working. When I go back onto my computer and look up the file it's gone! I've never seen anything like this before. All the files on my SD card that were there before yesterday are still working normally. The mp3s on my internal storage are also working properly.
A separate but potentially related issue is that recently, when I take pictures they show up in my gallery at first, but then they come up as corrupted a few minutes later and then they are gone completely. They are saved to my internal storage. This is not happening 100% of the time.
I'm not sure what's going on with my phones storage. Any help would be greatly appreciated. Thank you !
OsirisOne1 said:
Hi everyone,
Starters: Phone is entirely stock, 64 GB San Disk SD Card
So starting yesterday, whenever I copy a new file (mostly mp3's) to my SD card and go to play it off my phone, they are not working. When I go back onto my computer and look up the file it's gone! I've never seen anything like this before. All the files on my SD card that were there before yesterday are still working normally. The mp3s on my internal storage are also working properly.
A separate but potentially related issue is that recently, when I take pictures they show up in my gallery at first, but then they come up as corrupted a few minutes later and then they are gone completely. They are saved to my internal storage. This is not happening 100% of the time.
I'm not sure what's going on with my phones storage. Any help would be greatly appreciated. Thank you !
Click to expand...
Click to collapse
Are you sure your 64 gig card is legit? Sorta sounds like what happens to the fake ones...Once you hit the magic number (maybe 8 gigs) it starts overwriting.
Sent from my SM-T320 using Tapatalk
I'm sure it's legit. It's a sandisk directly from Amazon themselves. Also, I'm well passed 30 gbs and it's not overwriting it's just deleting the new files altogether.
OsirisOne1 said:
I'm sure it's legit. It's a sandisk directly from Amazon themselves. Also, I'm well passed 30 gbs and it's not overwriting it's just deleting the new files altogether.
Click to expand...
Click to collapse
kitkat SD card permissions hosing you up? did you ever fix it?
Sent from my SM-T320 using Tapatalk
dottat said:
kitkat SD card permissions hosing you up? did you ever fix it?
Sent from my SM-T320 using Tapatalk
Click to expand...
Click to collapse
That wouldn't delete the files, would it?
I tend towards your first hunch... Amazon does sell fakes. Never get the "frustration free packaging"!

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