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D2G not liking my new SD card

hey everyone, i recently got a new Patriot 16gb class 10 micro SD card, and its blazing fast, but i have problems with it, it works perfectly fine when i format it but once i start syncing my music to it, it causes my phone to freeze up and starts FC'ing all my programs, and when the screen turns off it doesnt turn back on and i have to reboot it. When i put in my old SD card it reads and functions perfectly.
what could be causing the problem? i have the exact same files in my new SD card as in my old one, so it couldnt be any of the files, can the D2G support class 10 SD cards? i tried SBF'ing and starting fresh but i still have the same problems, and formatting the drive and syncing the files again doesnt help. i even used h2testw to verify that the card isnt fake and it isnt.

You really need to stick to Kingston and SanDisk <= class 6
Sent from my DROID2 GLOBAL

unfortunately, the droid series of phones dont support class 10 cards, it took me a very long time searching, but i found that out. either way, i traded my card for a class 6 card with my friend, so im fine, even though i downgraded, thanks.

I wouldn't be surprised if it could be patched at some point to support class 10.
But probably not on a locked Bootloader of the D2G

From what I read, its the hardware that doesn't support class 10 cards, from what I read only the desire HD class of phones and the atrix support class 10 cards
Sent from my DROID2 GLOBAL using XDA App

ok, what the hell is going on? i put in a 16gb class 6 card in my D2G and it acted up in the same way it did with the class 10 card, same thing with a class 4 card, what the hell is wrong? this is really pissing me off because ive wasted a lot of money on these sd cards, and none of them are working, my D2G only seems to like the standard 8gb that came with it.

rusty815 said:
ok, what the hell is going on? i put in a 16gb class 6 card in my D2G and it acted up in the same way it did with the class 10 card, same thing with a class 4 card, what the hell is wrong? this is really pissing me off because ive wasted a lot of money on these sd cards, and none of them are working, my D2G only seems to like the standard 8gb that came with it.
Click to expand...
Click to collapse
Brand matters. Make sure it is either SanDisk or Kingston...
Sent from my DROID2 GLOBAL using Tapatalk

Its sandisk
Sent from my DROID2 GLOBAL using XDA App

Did you unmount and then remount the cards?

i tried everything at this point, if it doesnt freeze my phone it cant unmount, the few times i manage to unmount it and format it, i try to sinc my files back onto it and it starts freezing up again, im pretty sure at this point that its something wrong with my phone and not the sd cards, this has been happening with every 16gb sd card i can find

No offense, but are you sure it is indeed a SanDisk and not a Chinese cheap fake clone?

Yes it is indeed sandisk, I bought it off of newegg, not ebay where they sell the chinese clones, I ran h2testw to ensure it was up to spec and it is.
Sent from my DROID2 GLOBAL using XDA App

so no one knows whats wrong with it? im thinking i might have to rma my phone...

I'm having a similar issue with my D2G, and a 16GB Class-4 Lexar SD card. I used 'rsync' to copy all my data from my 8GB card to the 16GB, and it will boot up and work for a minute or so, then it either freezes up, or the screen turns off and I can't turn it back on again.
The only thing I have not tried is to use the phone to format the card. I almost want to say that when I first installed it, it seemed to work, but I didn't want to have to redo settings or re-download apps that are on the SD card. Maybe there's some data messing it up. I used 'rsync' so it should have gotten all the .hidden files, and respect any permissions, so I'm not sure what the deal is.
Maybe I just need to spend some time, and reload all my apps and redo my settings that might have been saved to the SD? Anyone else have this issue or something similar?
Regards,
Bruce

I just ordered a 16 gig class 10 and hope that it will work.... as it is a pain to return. Have heard that there is a great speed advantage to using the high speed card and sideloading most photo Apps to the card. Did u get the card to work in the end?
Sent from my DROID2 GLOBAL using XDA Premium App

my class 4 16GB card worked, it was any card that was of a higher class that didnt work, to this day i still have my 16GB class 6 card that causes freeze ups and reboots on my phone no matter what i do, i have no idea what causes it to act that way, but im pretty sure that this phone has a class limit of 4

Hi,
Did you copy everything from your old card to the new one, or just start "fresh" with the new card?
Also, did you use the phone to format the new card, or just start using it out of the box?
Many thanks...
Sent from my DROID2 GLOBAL using Tapatalk

i pretty much tried everything, formatting it on my computer, formatting it on the phone, copying files over, starting from scratch and syncing my music, every time it would start out working fine, but once there were a few files on the sd card it would start freezing up, the thing works just fine on my friends inspire 4g, he had it before me and had all his music and files on it and it worked flawlessly, i dont see why it doesnt work on the d2g.

I'm unable to get my class-4 16GB card to work with my D2G, so I'm going to exchange it for a class-2. The phone is supposed to be able to take up to 32GB, correct? I'm starting to think it's an issue with anything > class-2 speed.

the sd card that the phone comes with is a class 4, and my class 4 16gb card worked, it might be your sd card as someone said earlier

Damaged SD Card

I'm starting to get really annoyed with either this phone/android or cm7. My SD card apparently has been "damaged" yet again for the 2nd time in 2 days while the phone sat at idle. I have a backup of all the important items but this is beyond annoying to keep reformatting sd cards. Any ideas as to what might be destroying my sd card?

What's the default capacity of the card? If it's 8GB, is it the card that came with the phone? If it's not that card, did you buy the card from a reputable vendor? There are entirely too many counterfeit cards floating about these days.

It's a 16GB Class 6 card I bought on Amazon. Forgot the brand and it's not even listed on the card itself. I think it was Komputerbay. That's probably my issue.

Hmm.. Was the card sold directly by Amazon, or was it a 3rd party just selling "new/used" stuff via Amazon?

Nah it was from a 3rd party. I was being cheap and found a 16GB Class 6 card at a good price so I figured who cares what brand it is and I guess 4 months later is when I'm paying for that.

Something to try, rather than reformatting every time, is to mount the card on your computer and run fdisk. Try this link for more info: http://forum.xda-developers.com/showpost.php?p=4112485&postcount=9
I realize he is talking about a Windows Mobile phone, but this has worked for me.
Sent from my Desire HD using XDA App

I'll give that a shot when I get home and more than likely I'll be smashing this card and using the stock 8GB card till I can get a real good card.

Mustang302LX said:
I'm starting to get really annoyed with either this phone/android or cm7. My SD card apparently has been "damaged" yet again for the 2nd time in 2 days while the phone sat at idle. I have a backup of all the important items but this is beyond annoying to keep reformatting sd cards. Any ideas as to what might be destroying my sd card?
Click to expand...
Click to collapse
It is probably your card, I have a class 2 16gb card I have used in 4 or 5 phones over the past year with no trouble.
Sent from my Desire HD using XDA Premium App

cropythy said:
It is probably your card, I have a class 2 16gb card I have used in 4 or 5 phones over the past year with no trouble.
Sent from my Desire HD using XDA Premium App
Click to expand...
Click to collapse
Yeah I'm betting it's a cheap p.o.s. card. Good thing I got my invite to Music Beta today! I'll upload my music there and be fine with the stock 8GB card.

Another thing that seems to work for me when I get "Damaged SD Card" or "SD Card Unexpectedly Removed" is boot into Recovery, go to Mounts and Storage, and make sure all four partitions are unmounted. I don't know why they are mounted on boot, but it seems like when I get an SD issue, I go into Mounts and Storage and one of them has to be unmounted.
This usually happens when I have recently mounted USB storage to transfer files to/from my computer. If anybody has some insight into this, please speak up! Thanks.

[Q] 16GB MircoSD problem for infuse?

Today I purchased a PNY 16gb microSD for my infuse, when I got home I turned off the phone took out the battery and took out my old 2GB and put in the 16gb. When in the settings it told me I had 7.68gb left on my internal memory and 1.87gb left on the SD card, why doesn't it recognize the SD card?

You don't mention formatting the 16gig, did you do so?
Sent from my SAMSUNG-SGH-I997 using xda premium

Radiotsar said:
You don't mention formatting the 16gig, did you do so?
Sent from my SAMSUNG-SGH-I997 using xda premium
Click to expand...
Click to collapse
No, I didn't think I had to since I just bought it from walmart. lol

How do I format the external SD?

Do it up on the computer broski. Real simple. Use the piece that Sammy gave you in the Infuse box, plug it in, it will recognize it as a mass storage device and FAT32 it up.. real simple. Dead simple. Quick or fast, or whatever it is format works damn well. Boom. 16 gig. Worked both in the my phone and my tablet..Good luck bro.
Sent from my A500 using Tapatalk

Exactly what I intend to do when I get a 64gig.
Sent from my SAMSUNG-SGH-I997 using xda premium

I formatted it, but it still says sdcard has 7.68GB available which is INTERNAL memory, and it says internal memory is 1.87GB available which was from my 2GB sdcard that I removed. I can still put files on the MicroSD but it isn't recognizing it as having the ful 14.8 GB that it should be available on it.

Radiotsar said:
Exactly what I intend to do when I get a 64gig.
Sent from my SAMSUNG-SGH-I997 using xda premium
Click to expand...
Click to collapse
Don't bother getting a 64 for your infuse, the infuse only supports up to a 16gig
Also can anyone help me it recognizes the SD but not as having 14.8GB on it.

GuidoZebra said:
Don't bother getting a 64 for your infuse, the infuse only supports up to a 16gig
Also can anyone help me it recognizes the SD but not as having 14.8GB on it.
Click to expand...
Click to collapse
I thought it supported up to 32gigs...
Anyways i while back i got a class 10 16gb Amazonbasics micro sd card for $26-speed tests on my phone proved it was actually class 10 too! when i recieved it i didnt formatit at all, i just did what the op said, i took out battery took out preloaded 2gig card pluged in new 16 gig card and it showed up right away
You say its showing you have about a gig on external right? That neans it has to be detecting something or its just stuck on the old one since even tho its gone...heres what i would do:
1) go to seetings>sd card and phone storage>format usb storage
2) reboot
If that fails then:
3) if you have a rom installed then reflash
4) last resort odin back to stock
Hope that helps and if it doesnt see if the amazon basic sd card i got is still on sale if it is i highly suggest getting it!
Sent from my SAMSUNG-SGH-I997 using XDA App

mg2195 said:
I thought it supported up to 32gigs...
Anyways i while back i got a class 10 16gb Amazonbasics micro sd card for $26-speed tests on my phone proved it was actually class 10 too! when i recieved it i didnt formatit at all, i just did what the op said, i took out battery took out preloaded 2gig card pluged in new 16 gig card and it showed up right away
You say its showing you have about a gig on external right? That neans it has to be detecting something or its just stuck on the old one since even tho its gone...heres what i would do:
1) go to seetings>sd card and phone storage>format usb storage
2) reboot
If that fails then:
3) if you have a rom installed then reflash
4) last resort odin back to stock
Hope that helps and if it doesnt see if the amazon basic sd card i got is still on sale if it is i highly suggest getting it!
Sent from my SAMSUNG-SGH-I997 using XDA App
Click to expand...
Click to collapse
I am on MIUI so I go to SDcard and hit format? because that is the only Format option I know of. Also since it is backwards in the about phone ( Internal Storage is actually Sdcard and Sdcard is actually Internal) I don't want to accidentally format my phone.

Hmm..not on miui but for me i actually have to unmount sdcard then i can format...i know i said something different earlier
So yah if you have the option to unmount one of them then thats the one you want to format and you may need to unmount to format it
If you cant format (which ive never needed to do only done it to start clean) then there might be something wrong with your rom
Sent from my SAMSUNG-SGH-I997 using XDA App

I just took the Sdcard out completely and then restarted, it STILL told me I had 1.87GB left. I plugged my phone into the computer, Removable disc L (SD card), was recognized, and removable disc K (Internal Storage) both had the right amount of available space on them, why won't the phone recognize the SD card?

Only supports 16 gig huh... damn! I guess I meet to take this 32 gig card out then and change it.... :/
sent from my SGH-I717 using XDA premium app

GuidoZebra said:
Don't bother getting a 64 for your infuse, the infuse only supports up to a 16gig
Also can anyone help me it recognizes the SD but not as having 14.8GB on it.
Click to expand...
Click to collapse
So what I've seen elsewhere about other androids that don't support 64gb being able to work with 64gb (essentially ~59gb at formatting) doesn't apply as well to the Infuse?

GuidoZebra said:
I just took the Sdcard out completely and then restarted, it STILL told me I had 1.87GB left. I plugged my phone into the computer, Removable disc L (SD card), was recognized, and removable disc K (Internal Storage) both had the right amount of available space on them, why won't the phone recognize the SD card?
Click to expand...
Click to collapse
Like i said earlier the phone is detecting something otherwise it would say no sdcard inserted-problem is its stuck on detecting the old sdcard...try turning your phone on without the sdcard and see what it says because im guessing its going to still say 1.87gb left if it does then im sorry but you should probably try reflashing your rom, if that doesnt work then try odin back to stock i know its not much help but its all i can think of
If it says no sdcard inserted without the sdcard in than you probably have a defective sdcard. If thats the case go exchange it for a new one wherever you bought it at
Sent from my SAMSUNG-SGH-I997 using XDA App

Radiotsar said:
So what I've seen elsewhere about other androids that don't support 64gb being able to work with 64gb (essentially ~59gb at formatting) doesn't apply as well to the Infuse?
Click to expand...
Click to collapse
The infuse supports sdhc, up to 32 gigs. Those other devices support sdxc which covers sdhc cards and sdxc cards. My Thrive supports the 64gb sdxc cards nicely but they're just too expensive right now.
Sent from my not-an-iPod

From what I've read, it's a minor software tweak/update away from working on the Infuse, not a hardware issue.
Sent from my SAMSUNG-SGH-I997 using xda premium

How many threads do you have??
Sent from my SAMSUNG-SGH-I997 using xda premium

I had a similar problem with SD card when I first got my Infuse
"Found someone else over at Android Central who had the same exact problem with the same exact card, the Patriot 16GB SDHC class 4 found at Microcenter. Suffice to say I am just going to exchange it for a SanDisk"

dman3285 said:
How many threads do you have??
Click to expand...
Click to collapse
The higher the thread count the better. My sheets are 750 and I sleep like a baby.
Oh my bad, you meant thread counts on sd cards so this one is just taking up space.

Warnings with SD cards for A2

So I recently ordered a Sandisk Class 4 16 gb sd card for my Atrix 2. I wanted to be able to keep a backup of a ROM at all times while having 500 songs on my phone..but 2 gb just didnt cut it.
So i tried to connect the card with my phones USB cable while having it in the device, but it just wasnt showing up on the computer. I had to end up using a card reader.
It still works...just something to keep in mind while buying SD cards.

philipvipe123 said:
So I recently ordered a Sandisk Class 4 16 gb sd card for my Atrix 2. I wanted to be able to keep a backup of a ROM at all times while having 500 songs on my phone..but 2 gb just didnt cut it.
So i tried to connect the card with my phones USB cable while having it in the device, but it just wasnt showing up on the computer. I had to end up using a card reader.
It still works...just something to keep in mind while buying SD cards.
Click to expand...
Click to collapse
In order to view files on your sdcard on your computer, you have to select the "USB Mass Storage" option.

I did put it in the USB Mass Storage option

philipvipe123 said:
I did put it in the USB Mass Storage option
Click to expand...
Click to collapse
Did you format the sdcard IN THE PHONE prior to trying to view the files via your computer?

Apex_Strider said:
Did you format the sdcard IN THE PHONE prior to trying to view the files via your computer?
Click to expand...
Click to collapse
thats probably it. I had this happen off and on until I let android format it. my recomendation would be to put it in your computer and format it as fat32 then put it in the phone and have it format it

Thanks a lot ill try that

Although problems do not seem to be prevalent with the slower class cards, it might be a good idea to follow Patriot's advice regarding formatting. The suggestion was posted by Patriot in response to a review of a 32GB class 10 microSDHC.
Patriot acknowledged a problem with hemorrhoid OS and 32GB class 10 cards and suggested a temporary fix of performing a full format on a Windows PC with a 32kb allocation size, obviously FAT32 since stock hemorrhoid does not recognize NFTS.
The reply can be found in this review although the specific page will change if more reviews are added.

Sandisk ultra mobile 32gb class 6/10(expensive n useless)
philipvipe123 said:
So I recently ordered a Sandisk Class 4 16 gb sd card for my Atrix 2. I wanted to be able to keep a backup of a ROM at all times while having 500 songs on my phone..but 2 gb just didnt cut it.
So i tried to connect the card with my phones USB cable while having it in the device, but it just wasnt showing up on the computer. I had to end up using a card reader.
It still works...just something to keep in mind while buying SD cards.
Click to expand...
Click to collapse
i bought 2 times brand (Sandisk 32gb class 6/10)..its only can be used for 1 day with my Atrix 2(supercharged V6)..after that.. damn corrupted!! now im using brand (KingMax 32gb class 10)..its been used for a month..nothing problems occur..:good:

hamba9551 said:
i bought 2 times brand (Sandisk 32gb class 6/10)..its only can be used for 1 day with my Atrix 2(supercharged V6)..after that.. damn corrupted!! now im using brand (KingMax 32gb class 10)..its been used for a month..nothing problems occur..:good:
Click to expand...
Click to collapse
Be patient... they'll likely come sooner or later.

I got a 16gb class 4 sandisk and I am formatting it in my computer using following method:
I inserted the memory card in my E71 and connected it to my computer in mass storage mode. Then I started formatting using fat32, 32kb through my computer. But it is taking ages. Since last 2 hours, only 35% is completed. My questions:
1) Can i stop the format in between ? Or will it lead to certain faults?
2) Is the format this slow? Or should I try formatting it by putting it in adaptor and putting the adaptor in laptop slot and then format?

Apex_Strider said:
Be patient... they'll likely come sooner or later.
Click to expand...
Click to collapse
Hello, may i ask u how long for previous user before they got a problem with their 32gb class 10 sd??
Sent from my MB865 using xda premium

im using sandisk 16gb mobile ultra class 10 card .. no problems so far

Im still enjoying my 33gb class 10 with Kingmax..hopefully fine till last..enjoying movie 1080p n hd game with smoothly running on my atrix 2 via supercharged V6..
Sent from my MB865 using xda premium

I remember reading somewhere that some class 10 SD cards don't play nice for the Atrix 2. If that is so then what brands are the ones that do work well for the Atrix 2? I'm still rockin the 2gig, and well it just isn't cutting it.

A1deN said:
I remember reading somewhere that some class 10 SD cards don't play nice for the Atrix 2. If that is so then what brands are the ones that do work well for the Atrix 2? I'm still rockin the 2gig, and well it just isn't cutting it.
Click to expand...
Click to collapse
I'm using a Kingston 32GB Class 4 card, which is actually in my SGS3 now from my A2, and I have never seen anything to complain about with it. I still hit high benchmark scores as noted with my A2 as well as my SGS3, thinking though that I may try a higher rated class sdcard for the SGS3, since it doesn't seem to have the issues that the A2 has seen. But, a little more digging around has to be done before I make that kind of jump! (Better safe than sorry!) But, yes, the Class 10 cards will -eventually- give you grief if you try to use one with the A2. Not sure the 'scientifically-proven' answer to give here, just know that from everything I have seen, which has been substantial enough for me to believe that...

Sandisk 16gb Class 4 card doesnt work. The phone restarts.

32GB Class 4...perfect here!
Sent From Motorola Atrix 2 MB865 Running SCV7 ICS 4.0.4!

xdduser said:
Sandisk 16gb Class 4 card doesnt work. The phone restarts.
Click to expand...
Click to collapse
You should try a re-formatting of the sdcard, as you likely have some corrupted app data/other data that is causing the rebooting. A Class 4 card should give you no problems like this, unless you have some issues like I just mentioned.
And if you're trying to restore app data from, say, Titamium Backup, I recommend you do not do this. Just try a fresh format of the card, and do not restore data to it. Run your phone afterward for a good while to test. If your phone continues to reboot after you have tried this, changes are that you can rule out the possibility of the cause being due to the sdcard, and we can explore other possible known culprits...

Apex_Strider said:
You should try a re-formatting of the sdcard, as you likely have some corrupted app data/other data that is causing the rebooting. A Class 4 card should give you no problems like this, unless you have some issues like I just mentioned.
And if you're trying to restore app data from, say, Titamium Backup, I recommend you do not do this. Just try a fresh format of the card, and do not restore data to it. Run your phone afterward for a good while to test. If your phone continues to reboot after you have tried this, changes are that you can rule out the possibility of the cause being due to the sdcard, and we can explore other possible known culprits...
Click to expand...
Click to collapse
+1 formatting the SD is good...I've had this card in three other devices and it works flawlessly after formatting when major changes are made. (FXZ, SBF, switching ROMs ect.)
Sent From My Delicious Ice Cream Sandwich! Not Your Disgusting Apple Pie!

I just put an 8gb class 4 SD card in my phone. I formatted it via the phone twice and rebooted. My camera saves pictures and videos that say they can't be opened when I try to go play them. And Doggcatcher has the majority of my podcast downloads failing. This has persisted after a couple reformats. Thoughts?
Sent from my Gemini spacecraft.

[Q] SD card just died

I've had a 32 gig micro SD in my phone for a while now. I recently took my Siii out of my pocket only to find that it says the SD is unmounted. Odd, but not unheard of in the world of custom roms (paranoidkangdroid 2.something, rather recent though, 4.2.2 JB) So i do the sensible thing: Run into the storage menu, and lo and behold, its not registering. I pop it out and in, not registering. I reboot, and the damn thing still isn't registering. Then I take an old 2 GB micro SD and try it. This one worked just fine. 32 gig however does not. I move to my PC. Pop it in a micro to regular SD adapter, and the computer doesn't mount it. It does mount every other microSD of mine though. So can anyone tell me what the hell happened, and how I can recover my stuff?

Actually you can't, your sd card is corrupted and it's known to happen with this device that's why I always keep a weekly backup on my computer with everything. Especially the ones ordered from amazon the high capacity ones as far as I've seen.
Sent from my SCH-I535 using Tapatalk 2

Addiso said:
Actually you can't, your sd card is corrupted and it's known to happen with this device that's why I always keep a weekly backup on my computer with everything. Especially the ones ordered from amazon the high capacity ones as far as I've seen.
Sent from my SCH-I535 using Tapatalk 2
Click to expand...
Click to collapse
Well ****. I guess you're right, it just showed as unsupported file format.

nrock2256 said:
Well ****. I guess you're right, it just showed as unsupported file format.
Click to expand...
Click to collapse
Yeah I had actually a 16 gb one die on me, ordered me a 32- one and has been running good so far..
Sent from my SCH-I535 using Tapatalk 2

Addiso said:
Yeah I had actually a 16 gb one die on me, ordered me a 32- one and has been running good so far..
Sent from my SCH-I535 using Tapatalk 2
Click to expand...
Click to collapse
And now its not. This is frustrating. I don't want to spend money on a new card dammit.

Try booting a linux live cd and see if you can save anything, thats how I recover deleted tomtom maps in the past.
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Addiso said:
Actually you can't, your sd card is corrupted and it's known to happen with this device that's why I always keep a weekly backup on my computer with everything. Especially the ones ordered from amazon the high capacity ones as far as I've seen.
Click to expand...
Click to collapse
Is the SD card damaged or can it just be reformatted with a card reader on a PC (fat I am assuming)?
I was about to start using an SD card to backup the internal storage. It doesn't sound like this is the best option and backing it to my PC would be better.

My set up to start was cleanrom 6.2 with envy kernel running fine for a week. I had my sd card disappear today twice. PNY class 10 32gb less than 2 weeks old from best buy. Popped it in my pc and it was recognized no problem. So I transferred my data, formatted in fat 32 popped it in phone, no problem. Transferred data back and was Ok for a few hours. Swapped my battery for a freshly charged one and upon boot, phone said the card was damaged, to reformat it. So, I pulled it out and popped it in my pc. Pc said card was damaged. I opened a command prompt and ran a chkdsk /f and it fixed an issue with the file system. I then proceeded to restore my cleanrom 6.2 backup. So far so good. I am thinking it had to do with an app, but I can't be sure. Upon googling this, it seems that some people have had an issue with external sd cards with this phone.
Sent from my ASUS Transformer Pad TF300T using xda premium

nrock2256 said:
I've had a 32 gig micro SD in my phone for a while now. I recently took my Siii out of my pocket only to find that it says the SD is unmounted. Odd, but not unheard of in the world of custom roms (paranoidkangdroid 2.something, rather recent though, 4.2.2 JB) So i do the sensible thing: Run into the storage menu, and lo and behold, its not registering. I pop it out and in, not registering. I reboot, and the damn thing still isn't registering. Then I take an old 2 GB micro SD and try it. This one worked just fine. 32 gig however does not. I move to my PC. Pop it in a micro to regular SD adapter, and the computer doesn't mount it. It does mount every other microSD of mine though. So can anyone tell me what the hell happened, and how I can recover my stuff?
Click to expand...
Click to collapse
I'm not sure exactly what brand or model you have for your SD card or when you purchase it. However if its a SanDisk and it was purchased before December 2012 there's a chance that it was part of a bad batch. I had the exact same problem with mine I have a UHs 1 32 gig SanDisk. I read somewhere on the internet that there is a known problem with SD cards from that company built before December. When I spoke with SanDisk they confirm that and said the newer batches have been corrected. Long story short if you're using an ultra high speed or for that matter any card by SanDisk call up there customer service explain to them the problem and they will send you a brand new one. The entire process took about a week for me.
Sent from a Shaftamle Galaxy S3
Please hit the "Thanks" button if I helped you!

Did you try my suggestion? Ive recovered numerous files using a linux live cd and/or a mac. Try putting the card in a network printer or mem card reader if linux and mac os isnt possible. Ive recovered my files, including those from a 16gb micro sd card, using those methods in the past.

Okay, so it works
Alright alright, i didn't expect this to get many responses. Anyway, it now works. It appeared to be fried, my mac, PC, ubuntu machine, and OG droid wouldn't even recognize that a card was inserted. Nor would my GS3. My solution? after turning it on and off a few times, I just left the card in it and set it aside for an hour. Lo and behold, it now works. The SD now works. It was fried, and is now unfried. I don't know how, I just guess I am lucky. Or aliens. Either way, I am happy. Not gonna jeep anything more than music on it though... Ah well, thanks for the help XDA!

If I were you, I'd back up everything on that card to my pc, and exchange it if under warranty. If not, chuck it, and purchase another card.
Not worth taking the risk again.
Consider yourself lucky so far

nrock2256 said:
I've had a 32 gig micro SD in my phone for a while now. I recently took my Siii out of my pocket only to find that it says the SD is unmounted. Odd, but not unheard of in the world of custom roms (paranoidkangdroid 2.something, rather recent though, 4.2.2 JB) So i do the sensible thing: Run into the storage menu, and lo and behold, its not registering. I pop it out and in, not registering. I reboot, and the damn thing still isn't registering. Then I take an old 2 GB micro SD and try it. This one worked just fine. 32 gig however does not. I move to my PC. Pop it in a micro to regular SD adapter, and the computer doesn't mount it. It does mount every other microSD of mine though. So can anyone tell me what the hell happened, and how I can recover my stuff?
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So I have had my sd card corrupt a few times now, so far this has seemed to help me recover my data.
http://www.cgsecurity.org/wiki/TestDisk_Download

The problem could be a sandisk SD card:
(Outside link) crave.cnet.co.uk/mobiles/samsung-galaxy-s3-fault-is-caused-by-sandisk-memory-cards-50010684/
I read about the SD problems after just getting the S3.. decided to get a different brand card from the store.