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Killing a process broke the SD card ??

My MicroSD was working nicely since new (1 month ago) And it just stopped. Just now. Just like that
Reinserting does not work. Reset does not work. And if I put it in USB mode, the XP disk manager and file explorer jam. And I was not even writing to the card or anything. Putting it in a USB card reader makes XP respond the same. Putting another (128Mb) card in the phone works well, no reset needed.
It looks like the SD card itself is corrupted. Not the FAT or partition table, but the card itself, because otherwise disk manager could repartition it.
If I reconstruct events: I was checking some OpenGL based programs. I ran GL maps. Then I ran BeerV2. (all from the card). BeerV2 was reeealy slow, and I noticed GLMaps was still resident, so I killed it. Then I noticed Diamond Hologram did not want to start, so I figured OpenGL in a bad state and I reset. And then my SD card was gone.
So, when I ran BeerV2, the card must still have been there. When I ran Hologram, it was probably already gone. All application were installed and ran OK in the past.
I destroyed my SD card by killing a running process that probably was not even writing at the time????
Very strange. Can't even believe it myself, must have been coincidence...
So, I am down to 128Mb for the moment..... Better read that thread about the 16Gb cards again.

cybermaus said:
My MicroSD was working nicely since new (1 month ago) And it just stopped. Just now. Just like that
Reinserting does not work. Reset does not work. And if I put it in USB mode, the XP disk manager and file explorer jam. And I was not even writing to the card or anything. Putting it in a USB card reader makes XP respond the same. Putting another (128Mb) card in the phone works well, no reset needed.
It looks like the SD card itself is corrupted. Not the FAT or partition table, but the card itself, because otherwise disk manager could repartition it.
If I reconstruct events: I was checking some OpenGL based programs. I ran GL maps. Then I ran BeerV2. (all from the card). BeerV2 was reeealy slow, and I noticed GLMaps was still resident, so I killed it. Then I noticed Diamond Hologram did not want to start, so I figured OpenGL in a bad state and I reset. And then my SD card was gone.
So, when I ran BeerV2, the card must still have been there. When I ran Hologram, it was probably already gone. All application were installed and ran OK in the past.
I destroyed my SD card by killing a running process that probably was not even writing at the time????
Very strange. Can't even believe it myself, must have been coincidence...
So, I am down to 128Mb for the moment..... Better read that thread about the 16Gb cards again.
Click to expand...
Click to collapse
Have you tried formatting the Card? It sometimes works!

This might have been a flakey card or just bad luck. Do not use Windows format for any SD cards, it's not formatting them according to SD/SDHC specs.
http://panasonic.jp/support/global/cs/sd/download/sd_formatter.html
Try this one.
Only microSDHC available at the moment is the SanDisk 16GB class 2 for ~€50.
-Valynor

Valynor said:
This might have been a flakey card or just bad luck. Do not use Windows format for any SD cards, it's not formatting them according to SD/SDHC specs.
http://panasonic.jp/support/global/cs/sd/download/sd_formatter.html
Try this one.
Only microSDHC available at the moment is the SanDisk 16GB class 2 for ~€50.
-Valynor
Click to expand...
Click to collapse
16gb micro sd £39.15 at vodafone

cybermaus said:
My MicroSD was working nicely since new (1 month ago) And it just stopped. Just now. Just like that
Reinserting does not work. Reset does not work. And if I put it in USB mode, the XP disk manager and file explorer jam. And I was not even writing to the card or anything. Putting it in a USB card reader makes XP respond the same. Putting another (128Mb) card in the phone works well, no reset needed.
It looks like the SD card itself is corrupted. Not the FAT or partition table, but the card itself, because otherwise disk manager could repartition it.
If I reconstruct events: I was checking some OpenGL based programs. I ran GL maps. Then I ran BeerV2. (all from the card). BeerV2 was reeealy slow, and I noticed GLMaps was still resident, so I killed it. Then I noticed Diamond Hologram did not want to start, so I figured OpenGL in a bad state and I reset. And then my SD card was gone.
So, when I ran BeerV2, the card must still have been there. When I ran Hologram, it was probably already gone. All application were installed and ran OK in the past.
I destroyed my SD card by killing a running process that probably was not even writing at the time????
Very strange. Can't even believe it myself, must have been coincidence...
So, I am down to 128Mb for the moment..... Better read that thread about the 16Gb cards again.
Click to expand...
Click to collapse
Check out the thread of mine on this. I had similar problem on 16 gig card. I used the Softwinter.com storagetool app to restore. Now seems OK.
But, tomorrow will load up a few more gigabytes on the card. Have restored all applications including 2 gig of route66 and all is well.
...
here is the thread link: http://forum.xda-developers.com/showpost.php?p=3159350&postcount=54

Before you start formatting, try the Windows Error Checking tool.
I had problems with the SD aswell, and this fixed it up.

Guys, all those tips on reformatting are kind, the card itself is broken. Not just lost its formatting, but lost its ability to present itself as a card.
Anyway, already ordered a replacement. 8Gb-ultra only, the 16Gb-ultra were out of stock. I want it fixed today, because I need (well, want) TomTom tomorrow on my trip to Paris.
But at least I can see if the ultra series is really noticeably faster than the normal SANdisk.

cybermaus said:
Guys, all those tips on reformatting are kind, the card itself is broken. Not just lost its formatting, but lost its ability to present itself as a card.
Anyway, already ordered a replacement. 8Gb-ultra only, the 16Gb-ultra were out of stock. I want it fixed today, because I need (well, want) TomTom tomorrow on my trip to Paris.
But at least I can see if the ultra series is really noticeably faster than the normal SANdisk.
Click to expand...
Click to collapse
I would suggest to try the storage tools app (it's free). I had a similar problem with my micro SD stopping presentation to the laptop and USB sync mode. It would work in the HD but strangely - very long delays in pocket pc explorer.
Before I went out and bought a new card I tried the storagetools app and it worked for me !

HD2 destroyed my SD card?

Hello.
After trying the android booting, for 5-6'th time (all working), now the phone can't see the SD card. I thought it was only on the phone, but when i insert the card, in adapter and connect to pc, then NOTHING happens. Like if the card wasn't there.. Hmm, any clue? Usually I just formatted. But now, I can't format a SD card which "isn't there."
Please.

any one??? :S

mooooooa said:
Hello.
After trying the android booting, for 5-6'th time (all working), now the phone can't see the SD card. I thought it was only on the phone, but when i insert the card, in adapter and connect to pc, then NOTHING happens. Like if the card wasn't there.. Hmm, any clue? Usually I just formatted. But now, I can't format a SD card which "isn't there."
Please.
Click to expand...
Click to collapse
Sounds like your sd card maybe corrupt, they can die for no apparent reason, its happen to me twice in about 4yrs, tho i always buy from CEX they offer a 1yr warranty & just replace it if its within that time.
There's been a few threads about this;
http://forum.xda-developers.com/showthread.php?t=712281
http://forum.xda-developers.com/showthread.php?t=646731

Which brand?
mooooooa said:
Hello.
After trying the android booting, for 5-6'th time (all working), now the phone can't see the SD card. I thought it was only on the phone, but when i insert the card, in adapter and connect to pc, then NOTHING happens. Like if the card wasn't there.. Hmm, any clue? Usually I just formatted. But now, I can't format a SD card which "isn't there."
Please.
Click to expand...
Click to collapse
What is the brand of the memory card?

hey dude,i got the same problem as yours few days ago..cant do much abt it,i just buy a new one..some says the htc that makes the sd card problem

Hi,
My 8 GB sd card lags when i`m scrolling in the file manager.
In addition, the sd card drains the HD2 battery. I loose 35% in 6 hours in flight mode, but only 4% when not in flight mode without the sd card... ( this also yields for the original sandisk 2 GB sd card that was supplied with the phone).
Anyone experienced the same issue?
Is this hardware or software related, and can i fix this myself?

Error check your microSD card using your computer then switch your phone off, put the card back in it and switch your phone back on. The phone will need to index your music/video files etc so go to the relevant tabs and let it do its stuff. See how that helps.

mooooooa said:
Hello.
After trying the android booting, for 5-6'th time (all working), now the phone can't see the SD card. I thought it was only on the phone, but when i insert the card, in adapter and connect to pc, then NOTHING happens. Like if the card wasn't there.. Hmm, any clue? Usually I just formatted. But now, I can't format a SD card which "isn't there."
Please.
Click to expand...
Click to collapse
i got a new HD2 and it came with a MicroSD card. I put a couple of cooked ROMs on it and everything was fine for about a week and then the card jsut stopped working. I didnot use it on any other phone or on my PC and it just died.
I own an HTC Hero as well and i put the card in it but it wouldnt recognize it. It has never happened to me before. Never has a card died on me.
I think its a problem with the way the HD2 accesses the SDcard. I wouldnt know specifics but this is the first phone that fried my SD card.

Hey guys, I had the same issue. The SD card stopped working and cannot be formatted now via computer.

My experience with Windows Mobile is that the SD/CF driver is the weakest link. The problem seems to be simultaneous accesses drive it bonkers. I've had the disappearing card problem on other PDAs but usually removing it, doing a reboot with it out, and then inserting it after the reboot is complete will fix it. If it doesn't show up immediately DON'T do anything for a while, it could be doing a CHKDSK on the card, and if you mess with it it will screw it up worse.
Once it shows up what I would recommend is hooking up via USB in CF Disk mode (not Activesync) and doing a format on the drive from Windows.
Last night I got a new 32gb Class 4 MicroSD from China (unnamed) and stuck it in, worked fine, so I backed up all my data to my 'puter off the T-Mobile Class 2 16gb and changed to the new 32gb SD. I started the copy and after a while went to bed.
This morning I got up and it had died during the copy. It was giving me an error on the new MicroSD. It had copied about 75% but was asking to continue or skip. I ended up having to cancel it because it appeared full but it was not. After a reboot I found a ton of FILEXXX.CHK files which indicated it was doing a chkdsk.
Looking at it with SoftWinter.com's Storage Tools the disk was formatted with 512 byte cluster size, way too small for such a large disk, so it was not really out of space just out of cluster nodes. If you have lots of files (I had 10,000) each takes up at least one, even if the file is only 5 bytes. So I reformatted it from the 'puter to 32k cluster size and started the copy over. Seems to be working better now.
Please note that using larger cluster size also will help performance when writing and reading large files as it has to do less directory accesses. Small cluster size is good if you have a lot of small files as it doesn't waste as much space. You lose on average 1/2 the cluster size for each file, as the last node is almost never full.

mknewman said:
My experience with Windows Mobile is that the SD/CF driver is the weakest link. The problem seems to be simultaneous accesses drive it bonkers. I've had the disappearing card problem on other PDAs but usually removing it, doing a reboot with it out, and then inserting it after the reboot is complete will fix it. If it doesn't show up immediately DON'T do anything for a while, it could be doing a CHKDSK on the card, and if you mess with it it will screw it up worse.
Once it shows up what I would recommend is hooking up via USB in CF Disk mode (not Activesync) and doing a format on the drive from Windows.
Last night I got a new 32gb Class 4 MicroSD from China (unnamed) and stuck it in, worked fine, so I backed up all my data to my 'puter off the T-Mobile Class 2 16gb and changed to the new 32gb SD. I started the copy and after a while went to bed.
This morning I got up and it had died during the copy. It was giving me an error on the new MicroSD. It had copied about 75% but was asking to continue or skip. I ended up having to cancel it because it appeared full but it was not. After a reboot I found a ton of FILEXXX.CHK files which indicated it was doing a chkdsk.
Looking at it with SoftWinter.com's Storage Tools the disk was formatted with 512 byte cluster size, way too small for such a large disk, so it was not really out of space just out of cluster nodes. If you have lots of files (I had 10,000) each takes up at least one, even if the file is only 5 bytes. So I reformatted it from the 'puter to 32k cluster size and started the copy over. Seems to be working better now.
Please note that using larger cluster size also will help performance when writing and reading large files as it has to do less directory accesses. Small cluster size is good if you have a lot of small files as it doesn't waste as much space. You lose on average 1/2 the cluster size for each file, as the last node is almost never full.
Click to expand...
Click to collapse
Hey
i hope for your sake im wrong, but as far as ive been able to find out in my own searching, only san disk has released a 32gb micro sd & its only class 2.
there has been a lot of talk of fake 32gb micro sd's from china, most are actually 4gb re-programed to read as 32gb on your phone or pc, but when you start to fill them with files more than their actual capacity they will only overwrite prev' files & become corrupt.
i actually pick up 1 (32gb) last weekend from a local store, tried to copy the contents of my 16gb, 7gb copied then an error occurred, 2nd attempt 9gb copied but files unreadable by phone or pc, fortunately i always buy from this store & they refunded (£50), straight away, still have 2 16gb cards ive had for about 9mnths with no probs.
there is another longer thread over in the Q&A section, you guys may find some useful feed back over there: http://forum.xda-developers.com/showthread.php?t=646731

Well, the one I got says SanDisk and I have done a full format and surface analysis, it checks out, but I am having trouble writing to it. Not sure what is up with it right now. I knew it was a fake but I thought it was a real fake, not a piece of junk. I hope you are wrong.

I´ve got problems too. I have two SanDisk 16 GB microSDHC cards and both of them are giving similar problems.
I´ve got my HD2 a few days ago and initially I used my old 16 GB card I bought with the X1 (then used with my TP2 and latest the HD2). Everything was working fine initially but then the problems arose. Now I have those problems:
1. Audio Manager has problems reading my music library. iPlay can read it though. Windows Media Player takes a long time building my music library but manages to do that eventually.
2. HTC Album can read my albums sometimes - sometimes not.
3. Resco Photo Manager can read the albums but sometimes it takes a long time to do it.
4. The computer can access the card without any problems after formatting and it seems not to be any problems reading or writing files to it. Installations of cabs stored on the memory card works.
5. Total Commander can access the card without any problems but takes slightly longer time than before to show all folders.
6. Running chkdsk in Windows gives the result of a perfectly working card.
7. The phone is draining battery in an abnormal way with the card inserted.
8. Flashing ROMs from the card worked initially but not any longer. Now it shows the threecolor bootloader screen instead.
The interesting thing is the fact both of my 16 GB cards has the exactly the same symptoms. I will try them in my X1, TP2 and Vivaz later to check out their behaviour.
When I inserts my old 8 GB card (everything made by SanDisk) everything works without any problems. Flashing ROMs work normally etc.
I´m running the Omega XT 3.0 and are using HardSPL3. The 16 GB card has worked perfectly initially with this ROM and HSPL so I don´t think they are related.
The whole thing seems to indicate some kind of "incompatibility" between the phone and the 16 GB cards. It´s like it is unable to handle that size of card correctly. It seems like it "trashes" the file system. My older 16 GB card started to behave badly which caused me to buy a replacement and now that replacement has the exactly the same behaviour.
My 8 GB card is an "ultra" SanDisk card. The troublesome cards are Class 2 cards. I began to have the impression the problem is some kind of issue with Class 2 - because the cards itself seems to be working after formatting.
I have formatted them with either Panasonic SDFormatter and the Format SD application on the phone. Both options gives the same result.

HD2 fried my 16GB card?

Ok, I have SPB backup to backup my device every morning at 2am. I have been doing this for the past few months, with no problems at all. Anyway this morning I woke up, and there was a message on the screen saying "backup unsuccessful" but the HD2 did soft reset, because I seen the splash screen for a few seconds.
Anyway I noticed that the wallpaper was not showing, and didn't think anything of it at first. But when I tried playing some music, my device didn't show the Micro SD card as being installed. So I popped the card out, and back in, and still the HD2 couldn't read it. Also under the "SD card & phone memory" it shows no SD card installed, even though the card it in the HD2.
Got home, and tried putting the Micro SD card in my PC, and even my PC won't read the card. Don't get any error messages, put it just shows nothing?
Bit gutted about this, as I had my last 3 backups on the SD card, along with other documents I need.
Suggestions please?

seems the hd2 is hard on memory cards. I scan and fix mine about 3x a week just to be sure. Since then I haven't had any problems.

My memory card would not allow me to add anything on to it.,.,pics I took wouldn't save and such.,I even tried it in a digital camera with the same results. I couldn't even format it on my PC.,just gave me an unsuccessful reply. One thing I did notice was I couldn't move certain stuff off the card (I think it was in opera) it would show me the file and when I tried to move it off the card it said the item no longer exists.,or something along those lines.,(sorry I'm at work and it's been a while since I have had this happen..,I could always reattempt and post results if you guys would like) I threw in an 8G card and everything has been fine.,but would really like my 16g card back

nrfitchett4 said:
seems the hd2 is hard on memory cards. I scan and fix mine about 3x a week just to be sure. Since then I haven't had any problems.
Click to expand...
Click to collapse
Gonna keep that in mind. Purchased a new 8GB card, but had to restart my phone from SCRATCH!

Hi
There is a quick link to find out if you cards are real or not? I cannot post this link , but Google detecting usb counterfeit drives.
I know a lot of people buy cheap from ebay etc, and few are real good copys. Always remember to buy sealed branded makes with the class in the circle (2,4 or 6)
Living here in Thailand i know all about the copies!! I bought a few, and yes they were copies not 8gb, but 2gb. so at least with the link above it can keep you right.
Also when you get your new real card, erase it in you mobile, then format it before use.
I back up my SD to my D/Drive, but i unhide and show all files on the main computer to make sure all files are transfering over, including the hidden ones.
Just a few tips lads.
Russ

Hi, My 2 MicroSdHC 8GB Memory card experienced the same. 1st card only work for 1 and a half day and the 2nd card only work for 1 day!! It's showed NO SD CARD on my HTC HD2 Leo. I bought both card on Ebay. They sent me the replacement card. Unfortunately both card are same. They claimed that they are selling 100% Genuine Micro SD Card!! Lucky I am getting my full refund from them after open a dispute!! Now, I am trying to get other 16GB MicroSDHC for mh HD2 Leo. Hopefully the new 16GB card work well with my HD2 Leo.

Maximum R/W speed supported for microSD?

I need to purchase another microSD and before I spend the extra for a class 10 or 6 unit I thought I should see if anyone knows what the max. r/w bus speed is for the Milestone 2.
FYI Take it easy getting the card out, I removed the battery and as I was sliding it out I put more pressure then required on the vertical axis and the card snapped as it hit the halfway point. Oops, again

Unfortunately, it seems like M2 doesn't handle high classe microsd cards very well. I have a class 10 16gb sdcard and never got it working properly on my mobile. Don't know if it's a hardware or software fault. Others have the same problema, and there is a thread already about this issue.

Someone said that to solve the card you should format the sd card on the phone in the settings, and it makes sense. Make a backup and try it.

dangpzanco said:
Someone said that to solve the card you should format the sd card on the phone in the settings, and it makes sense. Make a backup and try it.
Click to expand...
Click to collapse
Already did that. The phone lags like hell when the 16gb class10 is in it, no matter if I format it on the phone, on the pc, or anywhere. I thought it was an issue like the one on the Evo, where the read and write speeds are limited through a config file. But it didn't work. It seems like the problem is with the media scanner, because when the sdcard isn't filled with music/photos, it runs well. But a 16gb card without music, photo or video is useless =[

AragornPE said:
Already did that. The phone lags like hell when the 16gb class10 is in it, no matter if I format it on the phone, on the pc, or anywhere. I thought it was an issue like the one on the Evo, where the read and write speeds are limited through a config file. But it didn't work. It seems like the problem is with the media scanner, because when the sdcard isn't filled with music/photos, it runs well. But a 16gb card without music, photo or video is useless =[
Click to expand...
Click to collapse
Have you tested the phone with a different card/brand? Maybe MS2 is not fully compatible with the card you bought. Also you may test the card on a notebook with card reader to benchmark it. You know, Class doesn't mean much. Brand is much more important than class (be careful about fake sd cards sold on eBay). I assure you that a good brand class 6 sd card can outperform a cheap class 10 card.

[Q] More MicroSD card problems

Hi everyone. This is the 3rd time my phone has spontaneously unmounted my card, and this time it simply destroyed my microSD card. I have no music on the card (read that thread) nor have I yet had any re-boot cycle problems. I simply get a message that the card has been "unexpectedly removed". It has, of course, not been. The first 2 times I was able to get the card working again with no data loss. I turned the phone off, took the card out, rebooted the phone without it, then re-inserted it and rebooted the phone again. It was fine. This time, the card was simply dead. My phone wouldn't see it, nor would my computer. I changed out the little adapter card case and finally the computer saw there was something, but said it was not in "any known format". My only choice was to format the card. I formatted it on the computer and ran a disk check on it, put it in the phone and booted up. I got a little icon with a question mark, and a message that the card was either blank or un-formatted. So, I let the phone format it. Again. It now shows up in the storage description, empty and usable- so I don't think it's a bad card. The card is a Samsung 8 gig card. Note3 is stock, 4.3, Verizon is the carrier. Build JSS15J.N900VVRUBMJE
I want to add that I think it has something to do with the camera. I have the camera app save directly to the card. I've noticed that on all three occasions this has happened, its been shortly after I had a couple of odd photos. A portion, usually the lower third of the photo (if you think of a grid) is gray. Just like part of it is cut off. I auto-save my photos to google, and they look fine when I view them there, but on the phone, they were corrupt. One didn't show up in the thumbnail preview in the gallery at all. Also, the camera was taking an inordinately long time to save. All my photo stuff is stock...gallery and camera app...no editing software except what little bit is offered in the gallery.
Has anyone else had similar problems. Anyone have any ideas for a fix?

I would try another card. If it happens again, then it's your phone. Sounds like a hardware issue. So try another card, if it happens again, Factory Reset. If it happens after that with different cards, then I would send my phone in for a replacement.
Sent from my SM-N900V using Tapatalk

What class card?
Sent from my SM-N900V using Tapatalk

stealthpaws said:
... I changed out the little adapter card case and finally the computer saw there was something...
Click to expand...
Click to collapse
FWIW, I have fooled around with moving microSD cards between:
(i) a camera (which uses a SD card adapter for the uSD)
(ii) a (POS) USB dongle card reader attached to a computer
(iii) same (POS) USB dongle card reader attached to a Nexus 7 OTG cable (rooted ROM or TWRP recovery running)
(iv) an older Android (Gingerbread) phone
In doing the above, all sorts of bad things have happened:
1) Occasionally the camera reports there is no card present (honestly, I think this is simply loose contacts when using a uSD to SD card adapter). Turning off the camera and re-inserting the card fixes this.
2) Loss of all files necessitating re-format after re-inserting card into Camera following a visit with the N7**
3) VFAT filesystem not recognized by OS kernel on the N7+OTG, but works fine with TWRP with same OTG+card reader (that is, some kind of strange kernel sensitivity)
4) Failure of Camera to recognize media after insertion into the GB Android phone - apparently due to many directories created at the SD card root. Card is not corrupted, but camera no longer recognizes it.
** this would only occur if I used the SD Card slot of the (POS) USB dongle card reader; if I plugged the the uSD card into the uSD slot on the (POD) USB dongle card reader, things were fine. Go figure.
So I guess what I am saying is that - based on my experience - your mileage is probably going to vary .
I was doing all this (albeit not with a Note 3) while I was travelling, and only had the Camera, Nexus 7, OTG cable, camera USB cable, and (POS) USB dongle card reader with me - no laptop or other computer.
Finally what I ended up doing - which seemed to cause the least amount of trouble - was to boot my tablet into recovery, and attach the camera to the tablet as an OTG Mass storage device. That is: the uSD card never leaves the camera.
I'm not up to speed about OTG on the Note 3 yet (e.g. is root even needed?), so I don't know what your options are there, but perhaps this gives you a couple of different things to try.
Just make sure you've got all your photos backed up safely off the uSD card before you start experimenting.
cheers
.
[Edit] I see I am guilty of not reading the OP carefully - you were only moving the card out of the Note3 to investigate what was going wrong, not as a matter of course.
Anyway, it could be a mechanical issue (intermittent contacts), or it could be a bad card. Although card class might make a difference for high-speed writing, you shouldn't experience corruption even if you are using a very slow (class 2) card - unless there are bugs in the kernel.
If you have another card to try out (before you rush out and start buying cards), that might be a useful experiment.

Question? SD Card from eBay? I had no luck with 3 64GB Class 10 cards off eBay got fed up and went to Walmart and got a Ultra U1 Class 10 64GB and haven't had a problem since. I have tons of music and pics on it no problems for the last 2 months. Lots of fake SD Cards on eBay from what I read.
Just my 2 cents

I just found this again...I got pneumonia shortly after posting the original thread. Thanks to all for replying...I just forgot about this. SD card never did work properly. Just got OTA KitKat so I'll see how that plays out. I'm reading there are even more issues with external cards now.

neopolotin75 said:
What class card?
Sent from my SM-N900V using Tapatalk
Click to expand...
Click to collapse
Absolutely no idea. It's a 2 gig older card. That being said, it didn't like my 8 gig card, which works fine in my tablet, either

stealthpaws said:
Absolutely no idea. It's a 2 gig older card. That being said, it didn't like my 8 gig card, which works fine in my tablet, either
Click to expand...
Click to collapse
I've had issues with Sandisk 64gb class 10 cards randomly locking on my Note II and III.....turns out to be a samsung issue according to Samsung.
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