[Q] Do you have problems with your sdcard? Specially high-class sd cards? - Milestone 2 General

Since I bought a new sdcard (Lexar 16gb class 6) for my Milestone 2 I've been having a really annoying problem: It doesn't work well. The phone becomes irreponsible after a few minutes with the card inserted, PowerAMP nor Gallery can't scan media after a given time, and file explorers doesn't work at all, all of that collapsing to a full crash after 8 to 10 minutes (black screen, no response from keyboard or capacitive buttons whatsoever). So, my question is, does anyone have the same problem? I've tried doing this hack on my phone (http://www.xda-developers.com/android/increase-the-reading-speed-of-your-sd-card/) where the read_ahead_kb value is changed to a bigger value, but no dice (I thought since it has problem reading media, an increase of read speed would solve it). I have this huge sd card, with a performance near class 10 (about 9.8mb/s, tested on my notebook) and I can't use it. The card looks ok, I've almost filled it up with music on my notebook but when it goes to the phone, it's a disaster. I didn't tested with other class 6 or higher because I can't find one on Brazil (everything here is TOO expensive, they charge about U$100 for a class 6 card) and I can't import another right now, so right now I don't know if it's a problem with the card or if Milestone 2 has a problem with high capacity/high class cards. I'm using a 8gb class 4 right now, and it works perfectly,
So, does your sdcard performs well? What's its capacity and its class? Which brand?
Sorry for my english

There is a long thread about it somewhere and lots of people have this problem.

Nope, no problems with my Transcend 8gb Class 6. Perhaps its a card size or (less likely) the brand?

Szadzik said:
There is a long thread about it somewhere and lots of people have this problem.
Click to expand...
Click to collapse
Yeah I read the thread but I just refuse to believe that a 2010 device, which was a flagship can't handle this kind of card when my old Nokia from 2008 can handle it seamessly

This needs to go into the general forum I think, not the development forums
There is a thread in here somewhere that provides a change to a file which speeds up the read/write of your memory card.. maybe give that a go?

adaimespechip said:
This needs to go into the general forum I think, not the development forums
There is a thread in here somewhere that provides a change to a file which speeds up the read/write of your memory card.. maybe give that a go?
Click to expand...
Click to collapse
Already tried that, didn't work.
Also, I believe that it's a problem with the software, the hardware is too new to not have compatibility with these cards. Maybe some dev has a solution or can find a solution, that's why I posted it here

Moved as not android development.

if i remember correctly, there was a long thread on this, and the resolution was to format the SD card while its in ur phone, soft reset, and that should solve the problem.

agent008my said:
if i remember correctly, there was a long thread on this, and the resolution was to format the SD card while its in ur phone, soft reset, and that should solve the problem.
Click to expand...
Click to collapse
This solution does not work.

Clusters size of your SD card also influence its performance and stability.
Have you tried SDFormatter with Full ( overwrite ) para.?
ww(delete me)w.sdcard.org/consumers/formatter_3
My new 16gb sandisk C4 card just makes music related programs go freezing a few days ago, I followed this post:
yuanjie.na(delete me)me/entry/milestone-2-mp3-crackling-playback-issue-solved
and it works well until now.
Sorry for the URLs. I can't add them in reply because I'm new here.

@ waigx
reposting waigx's link above
www.sdcard.org/consumers/formatter_3

@ waigx
reposting waigx's link above
www.sdcard.org/consumers/formatter_3
yuanjie.name/entry/milestone-2-mp3-crackling-playback-issue-solved

waigx said:
Clusters size of your SD card also influence its performance and stability.
Have you tried SDFormatter with Full ( overwrite ) para.?
ww(delete me)w.sdcard.org/consumers/formatter_3
My new 16gb sandisk C4 card just makes music related programs go freezing a few days ago, I followed this post:
yuanjie.na(delete me)me/entry/milestone-2-mp3-crackling-playback-issue-solved
and it works well until now.
Sorry for the URLs. I can't add them in reply because I'm new here.
Click to expand...
Click to collapse
thanks for the solution. i tried it with a 16GB card and i didnt seem to have any problems. anybody else having problems with this issue can try this method out.
could the person who started this thread also try it out, and if it works, pls list this question as answered/solved. thanks

waigx said:
Clusters size of your SD card also influence its performance and stability.
Have you tried SDFormatter with Full ( overwrite ) para.?
ww(delete me)w.sdcard.org/consumers/formatter_3
My new 16gb sandisk C4 card just makes music related programs go freezing a few days ago, I followed this post:
yuanjie.na(delete me)me/entry/milestone-2-mp3-crackling-playback-issue-solved
and it works well until now.
Sorry for the URLs. I can't add them in reply because I'm new here.
Click to expand...
Click to collapse
This looks promising. I'll try to format it with a bigger cluster size. Also, this music related problem looks a lot like my problem. I'll try that and I'll be back here to report if it works. Thanks for the hint ;D

No deal =/
I'll try it again on the weekend, but I'm starting to think that I have a defective sdcard, which is odd, because it works perfectly on my computer.

AragornPE said:
No deal =/
I'll try it again on the weekend, but I'm starting to think that I have a defective sdcard, which is odd, because it works perfectly on my computer.
Click to expand...
Click to collapse
Thanks for your feedback, I also have perv. problem again with my 16g c4 card. My music player go freezing again last night ,and I'm looking for solutions now.

It must be a software-related problem. Gotta wait for an update from Motorola, maybe it'll solve this problem...

the zip file is missing
waigx said:
I followed this post:
yuanjie.name/entry/milestone-2-mp3-crackling-playback-issue-solved
and it works well until now.
Click to expand...
Click to collapse
I would like to try this solution too but the file with libs is missing doesnt somebody have it and could it upload somewhere?

The mp3 cracking problem has been solved in later ROMs (i.e. they've already replaced the libs). I'd suggest upgrading your device to at least 2.2.2.

it was probably solved for someone, but to replace the dll's helped me with sd card issue anyway
(I already have gigerbread, but 16 gb's card freezes repeatedly)

Related

2gb SD card becoming corrupt

I used my Qtek 9100 with a PQI 512mb miniSD for a good few weeks and it worked flawlessly. I had another unbranded 2gb miniSD card and decided to copy everything on to that and use it so I'd have more space for music. To cut a long story short, this worked fine for a few days then I started noticing WMPlayer acting up. I checked the card and loads of files seemed to be corrupt. After playing around with it for a while I eventually gave up and decided it must be a duff card.
So, I bought a 2gb PQI miniSD which I had read good reviews off. However, I'm having the same issue. I've tried everything I can think of 1) hard resets, 2) soft resets 3) re-installing apps 4) formatting in a couple of different PCs with a couple of different card readers 5) formatting from the StorageTools on the phone 6) formatting using WM5torage.
I can install apps and they seem to be okay, but then when I try and run them I get errors and when I look at the card its because of corrupt files.
I have no idea what is going on and I'm at the end of my tether.
I'm using the latest Qtek 9100 ROM from their website. Is this perhaps a bug in the ROM? Would I be better with another ROM? Which one? Will this still leave my 'phone SIM unlocked if I use a non-standard ROM?
HELP? Please?
Hey,
I do hope this is within this topic!
I've got aLmost the same problem, except I have some files just disapear on my 2GB mini, and some stay!
Lost a GIG of music, and most of my WORD docs, [60MB] and it left me 2MBs after removing Skype!
Real WEIRD!
Ive got a 8125 and stuff on the SD card just disappears after I remove an app!
Since this has happed more than 3 times and the 2GB mini tested OK, whats up with the device!
Is it the connections in the device to the SD card, or what?
Thanks for XDA-developers!
I have a 2gb card in my Qtek 9100. I've had it for about 2 weeks, and I got the card the day after I got the 9100. Sofar I haven't noticed any missing files. It's a 2gb Sandisk
I just thought to add this. Do you have the enhanced performance option in RegistryWizard enabled, or have you made the registry change to enable caching of the file system?
I was noticing that my recent programs on the start menu were being lost on occasion during a soft reset. I disabled that "enhanced performance" (caching) and that problem has disappeared. It makes sense that it would cause data loss or corruption, since data is being cached, if the cache doesn't write out before you reset, you loose everything in cache. I didn't notice any real world performance increase, so I will just leave that disabled.
If you have that setting enabled, and soft reset often, then that might explain the data loss/corruption
Success!
Well, I got hold of CnetX Flash Format program and this seems to have done the trick. I installed it and tried formatting the 2gb card as FAT32 - this gave the same problems I had before.
Formatted it as Fat 16 with 32k Cluster and lo and behold its working like a dream. Copied all my stuff from 512Mb card to it and now I'm syncing all my music over.
Fingers crossed it stays this way!
Scrub that......
.....just failed syncing my music over. Managed to get 950Mb of stuff on the card and then it started doing exactly what it was doing before. Hmmm....i'm really stuck now.
Howdy,
Well now today all my stuff on the care is gone POOF excect one little word file and a few omaclock things and a few folders!
All music is gone but the music folder is there WOW!
I already reformatted a few weeks ago to Fat 32 form the other one!
Hey d0ug,
I just thought to add this. Do you have the enhanced performance option in RegistryWizard enabled, or have you made the registry change to enable caching of the file system?
Click to expand...
Click to collapse
I dumber the a bucket of rocks, so where is th RegistryWisard enabled or disabled at if your talking to me?
Thanks and sorry for the dumby thing?
madefree said:
Howdy,
Well now today all my stuff on the care is gone POOF excect one little word file and a few omaclock things and a few folders!
All music is gone but the music folder is there WOW!
I already reformatted a few weeks ago to Fat 32 form the other one!
Hey d0ug,
I dumber the a bucket of rocks, so where is th RegistryWisard enabled or disabled at if your talking to me?
Thanks and sorry for the dumby thing?
Click to expand...
Click to collapse
You can get RegistryWizard here http://forum.xda-developers.com/showthread.php?t=255225
Hey d0ug,
Thanks for the link, and dnloaded it but I really know why, or want for?
Ok whats this for, the storage card or what?
Thanks for your valuable time, and really sorry for the extra stupid questions, as this device in not my first device but I didn't have any problems with the X50 so I didn't have to learn to work on it!
Hey scotjames
you said
.....just failed syncing my music over. Managed to get 950Mb of stuff on the card and then it started doing exactly what it was doing before. Hmmm....i'm really stuck now.
Click to expand...
Click to collapse
Yep I moved 1 + GBs music into a "music" folder again!
Installed a app from xda, here called omanclockscaller.exe or something like that and set the overclock (speed of the processor) to 240 and the underclock to 150 (which was stated to work on another 8125)
and my device FROZE to the max couldn't soft reset or nothing so I had to do the HARD reset!
Looked in the SD card saw the folder "music" and NOTHING in it, just blank!
All subfiles were gone, POOF!
When to the main area of the SD card and ticked on a Mp3 file that was sitting there and it said player said "file stopped." 70%
Went to another MP3 file, tapped, and it said blah, blah "end of file" and would not play!
SO everything on the SD card, cept dah empty folders are either
1. corrupted
OR
2. GONE bye bye!
So NOW since the 8125 might not be the "slowest" brick on the block, and wont run, Skype unless its "overclocked," and I can't go thru another 50 some pages on xda to find the "fix" for dah SD wiping weirdness, and the overclocking tricks of the techs, I guess I get to go to Cingular, exchange dah phone (as it ain't no good as a PDA, but a great heavy phone) and than sell the NEW one on ebay for 350 with the New 2200MHz extended battery, and someone who is more techey than I can enjoy tweaking the thing!
Ive done 5 full Hard resets and have had to redo most everything, 5 times, settings etc, and its getting real time consuming, to state the least!
So since I got this pos on ebey and it has a 2yr. warrantee I guess its getting ready to get gone!
Hope someone like d0ug can help you out, really!
Later!
What brands are the Memory Cards? Where did you buy them from? Is it just in the Wizard that the card is being corrupt or does it work flawlessly in a memory card reader? Cause from what I've read it sounds like PEBKAC.
Card brand
My first card was unbranded so not overly surprised I had problems. This one is PQI but I think perhaps its because PQI cards are MLC (multi layer construction). Apparently Sandisk are SLC (single layer construction) and they should work okay.
I might just have to fork out more money and see.
The card works perfectly in my PC with card reader.
Excuse the ignorance but what is PEBKAC (or should I not ask!)?
scotjames said:
My first card was unbranded so not overly surprised I had problems. This one is PQI but I think perhaps its because PQI cards are MLC (multi layer construction). Apparently Sandisk are SLC (single layer construction) and they should work okay.
I might just have to fork out more money and see.
The card works perfectly in my PC with card reader.
Excuse the ignorance but what is PEBKAC (or should I not ask!)?
Click to expand...
Click to collapse
Ah the reference to PEBKAC was more about the other guy. I think you've just got unlucky with the memory cards.
Card brand
Does the MLC/SLC thing sound viable? Has anybody got experience of using Sandisk 2Gb cards with the Wizard?
Hey scottjames,
I don't know if this helps as I was using Winamp files and wasn't using Win Media on my PC so that may be why the files got corrupt or just disapeared when I went in again and tried to play them!
So I diched Winamp and am using the gates special and so far so good!
I don't know if that may help but hope so!
Cingular is going to exchange my phone for too many other reasons!
Have a good one, and thanks everyone here!
scotjames said:
Does the MLC/SLC thing sound viable? Has anybody got experience of using Sandisk 2Gb cards with the Wizard?
Click to expand...
Click to collapse
My 2gb card is a Sandisk. No problems sofar. The card is only about half full right now. Ill fill the card up and play with it awhile and see what happens
scotjames said:
Does the MLC/SLC thing sound viable? Has anybody got experience of using Sandisk 2Gb cards with the Wizard?
Click to expand...
Click to collapse
I've been using a SanDisk 2GB card to capacity sine April of this year, I change the contents of the card pretty often as I use it as my mp3/video player, using both the WM5Storage program and a memory card reader in my PC. Has been flawless.
madefree said:
Hey scottjames,
I don't know if this helps as I was using Winamp files and wasn't using Win Media on my PC so that may be why the files got corrupt or just disapeared when I went in again and tried to play them!
So I diched Winamp and am using the gates special and so far so good!
I don't know if that may help but hope so!
Cingular is going to exchange my phone for too many other reasons!
Have a good one, and thanks everyone here!
Click to expand...
Click to collapse
Well now the "THING" is doing the strange things again. . .
settings > memory > SD card says FREE 1903.97 out of 1904.13
NO 5ooMBs of music or word docs
But
when I go file explore > Device > SD Card I see all the music file and even play them OK
WOW thats real weird!
Cant see files in one place but plays the music in another????
So whats UP with this?
Anyone?
d0ug said:
My 2gb card is a Sandisk. No problems sofar. The card is only about half full right now. Ill fill the card up and play with it awhile and see what happens
Click to expand...
Click to collapse
I filled my card lastnight, and have used the pda as normal thoughout the day today. accessed files, copied files, created files, deleted files. I'm not having any issues with my sandisk 2gb.
Thanks
Thanks everyone. I'll maybe just get myself a Sandisk card and let you know how I get on.
I have a Sandisk 2GB and whilst not experiencing the issues above I do have other problems.
When accessing eBooks via Microsoft Reader or playing video files via TCPMP the device will occasionally freeze and the apps cant even be killed by the taskmanager. I have a standard TMobile install and these are the only two additional apps that have been installed.
Ejecting the card usually frees it up.
To be fair I haven't yet tried the card in another device to establish if the card itself is faulty.

SD Card reading issue

Hi guys, I dont know if there is anybody get the issue, I'm really bothered by the this one.
I have a HTC Dream, and i want to flash a Sense Rom on my g1,so i follow the instructions online, i partition my SD card, and flash a Sense ROM, everything is OK during all the procedures.
But when i boot my g1 to the lock-screen interface, the screen has no response for anything, no matter how i drag the "bridge", the screen does't respond.By the way, i have rooted my g1 and have the Danger SPL.
Above is the instance one.
Instance two, I use CM4.15.1 before, and at that time, when i open an application that is reading/writing something from/to my sd card, there is more than 80% possibilities to let the screen respond anything, even though i pull out my sd card, my g1 will not awake, i have to pull my battery off.
It really bother me, i cant do app2sd also.
Is there anybody know what my g1 happened or what i can do?
I think this is more screen-related than sdcard related. At least that's how I understood it.
also do you have a CLASS 6 SD card? thats a speed rating.... if you dont see a number inside of a C printed on the card, that typically means is class 2, the slowest type....
get at least a class 4, but class 6 is reccomended ESPECAILLY for sense builds
Thanks for attention
r3s-rt said:
I think this is more screen-related than sdcard related. At least that's how I understood it.
Click to expand...
Click to collapse
Thank you!
I have changed several Sense ROMs, but none of them works OK, they have the same issue.
I use CM ROM before, applications that don't read or write sd card works perfect, but others such as Camera will make the OS response for anything. So I think there maybe something wrong in reading or writing sd card.
Thanks for attention
ESKIMOn00b said:
also do you have a CLASS 6 SD card? thats a speed rating.... if you dont see a number inside of a C printed on the card, that typically means is class 2, the slowest type....
get at least a class 4, but class 6 is reccomended ESPECAILLY for sense builds
Click to expand...
Click to collapse
Thank you!
I have a CLASS 4 Sandisk card and a CLASS 4 Toshiba card, I have tested their reading and writing speed by a tool, they seems OK, especially Sandisk card, it has max 18M/s read speed and max 16M/s write speed, so I think it is enough for Sense ROM.
antonytyler said:
Thank you!
I have changed several Sense ROMs, but none of them works OK, they have the same issue.
I use CM ROM before, applications that don't read or write sd card works perfect, but others such as Camera will make the OS response for anything. So I think there maybe something wrong in reading or writing sd card.
Click to expand...
Click to collapse
You're right.
Honestly, old parts just fail sometimes. I'm sorry I can't be of more help on this, and I hope you resolve this issue without having to purchase a new phone.
r3s-rt said:
You're right.
Honestly, old parts just fail sometimes. I'm sorry I can't be of more help on this, and I hope you resolve this issue without having to purchase a new phone.
Click to expand...
Click to collapse
Thanks anyway!

HTC HD 2 (win7)- SD card do not work

Hello everybody
I flashed my Htc to win7 everything is working but my phone doesn't see my 2 GB sd-card.
everytime when I want to surf in the net or make some pic I got an info that I don't have enugh memory
pls help me what can I do, thank you so much
wait 4 ur replay, bye
Blue85 said:
Hello everybody
I flashed my Htc to win7 everything is working but my phone doesn't see my 2 GB sd-card.
everytime when I want to surf in the net or make some pic I got an info that I don't have enugh memory
pls help me what can I do, thank you so much
wait 4 ur replay, bye
Click to expand...
Click to collapse
For starters some cards are simply not compatible with WP7.
You should try and make sure that your card is properly formatted before flashing. Use Panasonic SDFormatter to format your card..
FULL>Overwrite.
Size adjustment ON.
Format the card and then try again, If it doesnt work still then you need to use another card. There is a supported card thread in WP7 forum.
Blue85 said:
Hello everybody
I flashed my Htc to win7 everything is working but my phone doesn't see my 2 GB sd-card.
everytime when I want to surf in the net or make some pic I got an info that I don't have enugh memory
pls help me what can I do, thank you so much
wait 4 ur replay, bye
Click to expand...
Click to collapse
you probably would have more luck if you put this in the HD2 WP7 forum
http://forum.xda-developers.com/forumdisplay.php?f=975
you would also find that a quick search wil give you the answer as there are more threads on SD card issues than there are anything else
however because you are new an that was your first post im not going to be a complete arse!
the SD card issue is probably the single biggest issue with WP7 on the HD2.
Im not going to go in to details, but the the basics are as follows,
some cards will work, some cards dont, there is no list, but statistically you stand a better chance with a class 2 or 4 card
other than that there is nothing you or anyone else can do, its Luck, pure an simple.
there is a small chance that you can format the card and have some success, look for the panasonic SD formatter, use it and completely format the card.
It might help but it probably wont.
TheATHEiST said:
For starters some cards are simply not compatible with WP7.
You should try and make sure that your card is properly formatted before flashing. Use Panasonic SDFormatter to format your card..
FULL>Overwrite.
Size adjustment ON.
Format the card and then try again, If it doesnt work still then you need to use another card. There is a supported card thread in WP7 forum.
Click to expand...
Click to collapse
Oo, ya just beat me too it! but there is no reliable list
Thanks all for the answers
First I will format the card and see what happen. If still doesn't see the card I will buy a new one.
How can I know which SD Card class I already have?
Sorry about my post in the wrong place I will take care next time
have a nice day guys
Blue85 said:
Thanks all for the answers
First I will format the card and see what happen. If still doesn't see the card I will buy a new one.
How can I know which SD Card class I already have?
Sorry about my post in the wrong place I will take care next time
have a nice day guys
Click to expand...
Click to collapse
it ususally tells you on the card its self, a wee number in the corner, some older / OEM cards may be blank, in this case there isnt much you can do to tell, if you can find the model number on it you could google it and see if anyone has posted the spec, perhaps there is a way to view the spec on a PC, ive never tried.
if you do end up buying one just be careful, dont buy anything you cant afford to have sit around gathering dust, there is no way of knowing if it will work until you try it, and even then there is the possibility of it being unstable, random restarts is the most common but there is a whole bunch of stuff that has been put down to dodgy SD cards.
what id suggest is coming back to us (on the WP7 forum) with what you have found, but use one of the many many many threads that are already there, we get a bit touchy when someone opens yet another SD card thread
stick to class 2 or 4 dont go for anything that goes on about ultra fast blar blar, probably go no higher than 8GB just now, as the cost starts to jump up after that and as i said, there is a very real chance that it will either A, not work, or B have issues.
once you get a working one though it is trully very very fast!

Inesplicable deletion of files

Looks like the phone, inexplicably deleted all the directories and files that were stored in my 32 GB Class 10 Lexar micro SD card. It happened once, a few days ago, and today I was at the point of listening to some mp3s when I realised that it happened again today, although now only the "music" directory was deleted.
Does anybody have an explanation?
Which rom, anything suspicious installed, anything new installed, rooted, connected it to a different computer, anything else which might help others to help you?
Also, wrong forum.
could be faulty card. also make sure you do not just eject the card from phone and/or computer without first properly unmounting it.
if it is a new card, or you do not care about data on it, reformat with this tool
https://www.sdcard.org/downloads/formatter_3/
Well, I'm on stock ROM KI4 (Android vers. 2.3.4), my phone is unrooted and I never touched the card since I first put it in the phone, 2 months ago. However the first time I had the unpleasant surprise to find all the directories deleted I was on a previous ROM (android 2.3.3), so it seems that the issue is not ROM dependant. I do have quite a few apps that I downloaded from forums and therefore may be suspected to play tricks. It may be these, or it may indeed be compatibility issues with the micro SD, but what seeems strange to me, is that I don't get errrors in reading or writing files on that memory, but simply all of a sudden, at the point of opening a file, I realize the file no longer there together with its entire directory...
Ok, I was just wondering if I was the only one experiencing this issue, and as it looks so, then I'll keep monitoring the situation to see if it happens again, in such case I'll try to investigate more deeply the possible causes.
Thank you both for the useful sugggestions, and kreoXDA for the link to that utility... It may become handy!
And sorry if I am in the wrong forum (am I?). I thought that this was the right one.
JuniorGG said:
it may indeed be compatibility issues with the micro SD, but what seeems strange to me, is that I don't get errrors in reading or writing files on that memory, but simply all of a sudden, at the point of opening a file, I realize the file no longer there together with its entire directory...
Click to expand...
Click to collapse
If you haven't already, I would strongly recommend checking your SD card using h2testw.
No actually, I haven't... thank you, I'll do it!
oinkylicious said:
If you haven't already, I would strongly recommend checking your SD card using h2testw.
Click to expand...
Click to collapse
There's a similar program, SDCardTester, in the Android market, so you can test on the SGS2 itself.
Ok, that would a more significative test. And it will let me test the card even now that I am away from home and I have no access to a PC. Thank you.
If you bought a 32gb sdcard off ebay at a knockdown price then I suspect you have been conned.
Try the sdcard test as suggested, it is probably a 1gb card with false code.
If it is from ebay, Dont return item either as recorded delivery will be too expensive, greater than cost of card, phone ebay and they should refund you.
Sent from my GT-I9100 using Tapatalk
No I'm quite sure that the card is not a fake. I have been using it for 2 or 3 months, filling it almost fully with no problems of capacity, speed, data corruption or whatsoever. Yes I bought the card from ebay, but from a well respected seller at "normal" price and it definitely came sealed by the manufacturer in its original blister.
I've just tried testing with SD Card Tester and everything looks OK. I get about 10 MBps r/w that if I'm not wrong is compatible with the class of the card.
I'm suspecting more android or some malware, rather than the card or some incompatibilty issues, to have erased all its contents except one directory with 5 pictures in it.
Well, as I said, for the moment I think the best thing I can do is simply to keep monitoring the situation.
Thank you mates anyway.
You need to do the capacity test...
Sent from my GT-I9100 using Tapatalk
I have been having a similar issue with a genuine 16gb class 10 from kingston. Files dissappearing or beconing corrupt. Assuming its a faulty card but not had chance to check.
Sent from my GT-I9100 using XDA App
Me too... it's not easy to perform an exhaustive test...
And here we go again... yesterday I noticed that all the apps that were installed on the sd card had gone... this thing begins to hurt my nerves...
Are you sure the files are deleted or did the as card just unmount?
Happened to me and I just restarted phone, all good.
Sent from my GT-I9100 using Tapatalk
In fact, that's the first thing I suspected, but unfortunately unmounting / mounting the SD card, even phisically removing / reinstalling it from the slot, and shutting off / turning back on the phone didn't solve the problem...
Well just to give some more info. Its def not a mount/unmount issue as the card contents become corrupt randomly. Im just wondering if its a spec issue as in is class 10 causing a problem. My card is being swapped out by kingston so i will update when I can.
Sent from my GT-I9100 using XDA App
JuniorGG said:
it's not easy to perform an exhaustive test...
Click to expand...
Click to collapse
JuniorGG said:
And here we go again... yesterday I noticed that all the apps that were installed on the sd card had gone... this thing begins to hurt my nerves...
Click to expand...
Click to collapse
Yet you still haven't followed the advice in the thread, which was to run h2testw or SDCardTester to check the true capacity of the drive, and ensure data written to is is not corrupted.
I too face this similar problem. Use a Nokia 8gb card, don't know if Nokia manufactures it or not. Anyway, my files get deleted too. Apps also get corrupted. Is this a sd card slot problem. Maybe it's faulty?
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No one??
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I9505 - SD Card unmounts and mounts again when using it

Hi all,
I have an I9505 and I'm having some problems with my microSD card;
When I'm using the SD Card with a file browser, after approx. 20 seconds it unmounts and mounts itself after a couple of seconds.
Tried multiple file browsers. All are having the same issue.
When listening to mp3's located on the card, the same thing happens.
The microSD is a SanDisk 32GB class 4 card.
Then I replaced the card with one that I've had laying around.
A 4GB Samsung micro SD. Also class 4. Same thing happens here.
I've originally used FAT32 but formatted it to exFAT just to try. Again, same thing happens.
The SD card is not the problem because I've used it for a year on my S3 I9300. Never had problems.
The phone is not yet rooted. (don't think it's relevant though)
Not sure if it is a software issue or hardware issue.
Anyone having similar problems?
I'm thinking of returning it for repar but peraps a sfuture firmware update might solve it?
Do you guys have any suggestions?
dinci5 said:
Hi all,
I have an I9505 and I'm having some problems with my microSD card;
When I'm using the SD Card with a file browser, after approx. 20 seconds it unmounts and mounts itself after a couple of seconds.
Tried multiple file browsers. All are having the same issue.
When listening to mp3's located on the card, the same thing happens.
The microSD is a SanDisk 32GB class 4 card.
Then I replaced the card with one that I've had laying around.
A 4GB Samsung micro SD. Also class 4. Same thing happens here.
I've originally used FAT32 but formatted it to exFAT just to try. Again, same thing happens.
The SD card is not the problem because I've used it for a year on my S3 I9300. Never had problems.
The phone is not yet rooted. (don't think it's relevant though)
Not sure if it is a software issue or hardware issue.
Anyone having similar problems?
I'm thinking of returning it for repar but peraps a sfuture firmware update might solve it?
Do you guys have any suggestions?
Click to expand...
Click to collapse
Sounds like a dodgy card i had that issue. No firmware update will solve it because i got a different card and its worked fine.
live-evil,
I actually tried another card. I had the same problem.
It was a class 4 as well.
Perhaps a class 10 would be better.
This card worked for over a year on my SGS3.
dinci5 said:
live-evil,
I actually tried another card. I had the same problem.
It was a class 4 as well.
Perhaps a class 10 would be better.
This card worked for over a year on my SGS3.
Click to expand...
Click to collapse
Clearly i can't read, sorry its written in the first post i am just dumb i guess. Anyway i doubt class 10 or class 4 would have any effect. Could be just a problem with the phone's card reader.
live-evil said:
Clearly i can't read, sorry its written in the first post i am just dumb i guess. Anyway i doubt class 10 or class 4 would have any effect. Could be just a problem with the phone's card reader.
Click to expand...
Click to collapse
You're probably right.
I will return it for repair and see what they say about it.
Btw, when connecting the phone to the computer and when I try to transfer files it works for about 20 sec and the card is unmounted.
So basically, whenever you try to rea/write to the card it unmounts.
But when puting the microSD into my computer directly (with an microSD to SD adapter) it works just fine.
dinci5 said:
You're probably right.
I will return it for repair and see what they say about it.
Btw, when connecting the phone to the computer and when I try to transfer files it works for about 20 sec and the card is unmounted.
So basically, whenever you try to rea/write to the card it unmounts.
But when puting the microSD into my computer directly (with an microSD to SD adapter) it works just fine.
Click to expand...
Click to collapse
I and other people in the forum are having the same issue with SD cards previously working fine on SGS3 (my card is a SanDisk, 64 GB, class 10).
I guess is a SGS4 issue, I hope a software issue to be solved soon! :fingers-crossed:
jolivera said:
I and other people in the forum are having the same issue with SD cards previously working fine on SGS3 (my card is a SanDisk, 64 GB, class 10).
I guess is a SGS4 issue, I hope a software issue to be solved soon! :fingers-crossed:
Click to expand...
Click to collapse
I've searched the forum for other similar topics but didn't really find something.
I guess I have to improve my research skills
I'll wait for the next update to see whether it'll solve the problem.
btw, I checked yesterday with my brother who also has the SGS4.
We bought them together, the very same day.
He doesn't have any problems with it. It works just fine.
But he didn't install the latest update via Kies...
Guys,
A small update regarding this issue.
I've read a lot of bad reviews about SanDisk microSD cards so I decided to buy a new one.
I've bought a Transcend Class 10 32GB microSD.
I didn't have any problems with this one ever since.
I'm using it for two days now without any problems.
dinci5 said:
Guys,
A small update regarding this issue.
I've read a lot of bad reviews about SanDisk microSD cards so I decided to buy a new one.
I've bought a Transcend Class 10 32GB microSD.
I didn't have any problems with this one ever since.
I'm using it for two days now without any problems.
Click to expand...
Click to collapse
I was using sandisk 32 gb class10 on a i9300 with no problems, but in my i9505 is mounting and unmounting alone... same sd card.... :silly:
This is a bit old sometimes it works, sometimes it doesn't, plug the card in a digital camera (any camera is ok) and format it. There is no logical explanation why it works but this helps bring back to life dodgy cards or you can try a low level format, there were a few freeware tools floating around, just give it a try before buying a new card
Reseating the card?
Last week my wife started using a 64GB Sandisk Ultra memory card in her S4. The next day she complained about battery and part of the phone heating up.
I stopped by this thread to read all your advice, and figured I'd file a support ticket with Sandisk. While doing that I removed the card to write down its serial number. I re-inserted the card and from that point onwards, battery life is back to normal and that area of the phone no longer heats up.
Is it plausible that some of these problems stem from improper insertion..? (Alternatively: the card holder is a bit iffy) I notice one suggestion here was to reformat the card in a camera. Well, I suspect that the mere act of removing the card and re-inserting it plays a role here. (if the way the card was formatted would factor into this, it would be easy to reproduce -- besides, FAT32 isn't that complicated to get right from a developer's POV, and I suspect the same holds true for exFAT)

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