SanDisk Mobile Ultra 64GB microSDXC works in our Skys - AT&T Samsung Galaxy S II Skyrocket SGH-I727

Went out and purchased the SanDisk Mobile Ultra 64GB microSDXC Class 6 Memory Card from BestBuy today .. only $89.99 on sale from $149.99
http://www.bestbuy.com/site/SanDisk...220&skuId=4120116&st=64gb microsdxc&cp=1&lp=1
Using a tool found on SoftPedia called FAT32format .. I was able to format this card ALL fat32 with no issues .. inserted the sdcard in my Skyrocket .. and poof .. the phone recognize the sdcard .. and ALL 59.xxGB that it was formatted to
http://www.softpedia.com/get/System/Hard-Disk-Utils/FAT32format.shtml

LordGeek said:
Went out and purchased the SanDisk Mobile Ultra 64GB microSDXC Class 6 Memory Card from BestBuy today .. only $89.99 on sale from $149.99
http://www.bestbuy.com/site/SanDisk...220&skuId=4120116&st=64gb microsdxc&cp=1&lp=1
Using a tool found on SoftPedia called FAT32format .. I was able to format this card ALL fat32 with no issues .. inserted the sdcard in my Skyrocket .. and poof .. the phone recognize the sdcard .. and ALL 59.xxGB that it was formatted to
http://www.softpedia.com/get/System/Hard-Disk-Utils/FAT32format.shtml
Click to expand...
Click to collapse
Yeah, I was pretty certain it would work. It has worked on every Samsung Galaxy ever made so far. I think BestBuy had it for $70 one time. Still waiting for that deal to come around again. It might take a while...
But then again, 128GB might be better. It would be nice to carry every episode of all my favorite rewatchable TV Shows and all the TV Shows and Movies I plan on watching some day. Might take 2TB. Someday...

Wow crazy space. Let's hope they make batteries in the future to allow us to make use of all this video space

I put the same one in mine, when I saw that deal. Works fine. However as a word of advice from wasting time..........
Many state to use the sdcard.org's formatter which then formats it correctly and then put your data on it and then put it on your phone. However that doesnt work. sdcard.org formats the card as exFat and the phone cant recognize that. Let the phone format it which it will do as Fat32. Then it works fine.
Many threads state to use the sdcard.org formatter to achieve the best speed, thats the reason why I did it. So despite their recommendations, dont bother, it wont work.
On a side note of reivewing it. This 64gb card replaced my Samsung 32gb Class10 card. I have to say to say this 64gb card is REALLY slow when transferring data. It took a good 1hr to transfer 32gb of data on this card. The fatest I got was around 4-6MB/sec. The Samsung 32GB card (being it was class10) was at least twice as fast. But I cant complain too much, I mean its twice the space. Im sure a Class10 version of this 64gb card will cost over $200.
Dixit

Awesome good to hear, didn't think I would hit 32GB but I'm fast approaching, time to upgrade I think.

Like dixit said.... It's always best to format in the device you're going to use it in!
Sent From my Two Tin Cans & String Device on The Wookie Network

dixit said:
I put the same one in mine, when I saw that deal. Works fine. However as a word of advice from wasting time..........
Many state to use the sdcard.org's formatter which then formats it correctly and then put your data on it and then put it on your phone. However that doesnt work. sdcard.org formats the card as exFat and the phone cant recognize that. Let the phone format it which it will do as Fat32. Then it works fine.
Many threads state to use the sdcard.org formatter to achieve the best speed, thats the reason why I did it. So despite their recommendations, dont bother, it wont work.
On a side note of reivewing it. This 64gb card replaced my Samsung 32gb Class10 card. I have to say to say this 64gb card is REALLY slow when transferring data. It took a good 1hr to transfer 32gb of data on this card. The fatest I got was around 4-6MB/sec. The Samsung 32GB card (being it was class10) was at least twice as fast. But I cant complain too much, I mean its twice the space. Im sure a Class10 version of this 64gb card will cost over $200.
Dixit
Click to expand...
Click to collapse
I'm affraid I will have to disagree with you on this. I purchased the card .. it was already formatted with exFAT. When inserted into phone, does not recognize it installed at all .. will not format, will not mount .. nothing.
I'm running Windows 7 Ultimate 64 .. does not format FAT32 unless you're doing it be command line .. however, here is the issue with that .. standard command: format ?: /FS=FAT32 for the 64GB card took 2 hours to format, only to find that it errors out right at the end stating it is not compatible and over 32GB .. waste of time.
Hense .. this is why I attached a link to a command line program called FAT32format .. I executed this program from command prompt .. and poof, 64GB formatted FAT32 .. plugged into phone .. phone recognized the card, no problems at all .. I did however reformat the card via the phone afterwards.
So, for the initial installation (out of box) our phone WILL NOT see it until it has been formatted FAT32

Well mine had no problems reformatting on the phone itself. When I first put it in after the sdcard.org format it was exFat. Phone as you stated didn't recognize it. Then I just on the phone told it to reformat it. It did it just fine as Fat32. But either way like you said as Fat32 it has no problems.
Dixit

The only issue here is that you can't transfer files larger than 4Gb to the card when its FAT32. Something to keep in mind if you have large files.

I bought mine about 6 months ago and haven't hd a problem with it in any android phone and I formatted it in the phone. Now I'm just waiting on this skyrocket hd to come out and I'm selling this phone and buying that one. Has any boy heard any thing about a size bigger than 64gb
Sent from my SAMSUNG-SGH-I727 using xda premium

thanks for the note, it's a great price, but media-scan kills me
I love the space, I don't care about slow speeds because I usually dump data on the card (huge mp3 collection) and keep apps on the internal /sdcard (16GB)
The problem I see with this is that my current 32GB class10 card is being scanned by the phone periodically. This scan takes a LOT of time and 64GB would be even worse
If I find a phone that is equal to or better than Skyrocket + support exFAT I would go for the 64GB card in a heartbeat
Do you know such phone as of today ?

dixit said:
Well mine had no problems reformatting on the phone itself. When I first put it in after the sdcard.org format it was exFat. Phone as you stated didn't recognize it. Then I just on the phone told it to reformat it. It did it just fine as Fat32. But either way like you said as Fat32 it has no problems.
Dixit
Click to expand...
Click to collapse
:thumbup: And that's what I thought!
Sent From my Two Tin Cans & String Device on The Wookie Network

LordGeek said:
Went out and purchased the SanDisk Mobile Ultra 64GB microSDXC Class 6 Memory Card from BestBuy today .. only $89.99 on sale from $149.99
http://www.bestbuy.com/site/SanDisk...220&skuId=4120116&st=64gb microsdxc&cp=1&lp=1
Using a tool found on SoftPedia called FAT32format .. I was able to format this card ALL fat32 with no issues .. inserted the sdcard in my Skyrocket .. and poof .. the phone recognize the sdcard .. and ALL 59.xxGB that it was formatted to
http://www.softpedia.com/get/System/Hard-Disk-Utils/FAT32format.shtml
Click to expand...
Click to collapse
thanks for the tip on FAT32format. my 64GB card showed up yesterday and i was fearing i had wasted money since i couldn't get it formatted to FAT32. i bought it after seeing that YouTube video (we've all probably seen it) to put in my Galaxy S i'm turning into a dedicated PMP. the phone wouldn't format it (would try but it would always say damaged) but this worked like a charm. i'm transferring my music collection as i speak. thanks again for the help!

Browsing this thread and checked out the Best Buy link. Price is $79.99 as I write this.

$71 on Amazon now.

Adorama Camera $59.95 and free shipping if anyone is interested.

^^^^ thanks for the link, i have a few friends looking for this

dorj1234 said:
I love the space, I don't care about slow speeds because I usually dump data on the card (huge mp3 collection) and keep apps on the internal /sdcard (16GB)
The problem I see with this is that my current 32GB class10 card is being scanned by the phone periodically. This scan takes a LOT of time and 64GB would be even worse
If I find a phone that is equal to or better than Skyrocket + support exFAT I would go for the 64GB card in a heartbeat
Do you know such phone as of today ?
Click to expand...
Click to collapse
Just a thought, cuz I haven't noticed anyone say this but from what I've read class 6 and 10 cards are not ideal for mobile phones because they are optimized for faster sequential read/write (ideal and fast for cameras). Class 4 is faster at random read/write than 6 and 10(ideal for phones).
I just purchases a sandisk 32gb class 4 and I've never had it randomly scan and I use it for music, photos, some app data, backups etc.

punksnotdead83 said:
Just a thought, cuz I haven't noticed anyone say this but from what I've read class 6 and 10 cards are not ideal for mobile phones because they are optimized for faster sequential read/write (ideal and fast for cameras). Class 4 is faster at random read/write than 6 and 10(ideal for phones).
I just purchases a sandisk 32gb class 4 and I've never had it randomly scan and I use it for music, photos, some app data, backups etc.
Click to expand...
Click to collapse
this is unfortunately somewhat true. Class 6 in the OP should be okay though. I'm currently in an RMA process with Sandisk and in talking to their Technical support they said :
"We need to take the few information from you in order to process the RMA request. There is an ongoing issue is with Sansa Ultra 64 GB SDXC class 10 Cards the one which you have and on Android phones we need to use the Sansa Ultra 64 GB SDXC class 6 in order to make it functional. It depends on your requirement so please let me know so we can proceed with the request."

LordGeek said:
Went out and purchased the SanDisk Mobile Ultra 64GB microSDXC Class 6 Memory Card from BestBuy today .. only $89.99 on sale from $149.99
http://www.bestbuy.com/site/SanDisk...220&skuId=4120116&st=64gb microsdxc&cp=1&lp=1
Using a tool found on SoftPedia called FAT32format .. I was able to format this card ALL fat32 with no issues .. inserted the sdcard in my Skyrocket .. and poof .. the phone recognize the sdcard .. and ALL 59.xxGB that it was formatted to
http://www.softpedia.com/get/System/Hard-Disk-Utils/FAT32format.shtml
Click to expand...
Click to collapse
THANK YOU! So much, you helped me out of a jam. Found a SanDisk Class 10 online for $64 and was freaking out when my phone wouldn't recognize it but using the FAT32format program through the Command Prompt worked like a charm so my deepest THANKS! :good:

Related

Micro SD card not detected

So today i brought a 8gb Transcend Class 6 mico sd card for my raphael. So i went back home and try it then i found it not detected on the file explorer but it says expansion slot in use when i go to Settings>About. Thanks in advance.
[email protected]
Transcend is not recomended by HTC. i am also having same problem with my SD card which is made by Transcend (4GB capacity). it detects when you put it in phone for a longer time, but you can not write/save/copy anything in it. it will say FILE CAN NOT COPY, MAKE SURE THE PHONE IS PROPERLY CONENCTED AND SOURCE FILE IS NOT MOVED BLA....BLA... BLA...
when i checked with HTC team, they advised me to use micro SD from SANDISK.
well the weird thing is when i insert the card on my friends phone(HTC TYTN 2) it detects it instantly after inserting it in. But when i insert it on my phone it doesn't work, btw i also tried another card from my friend, it a sandisk 4gb and it worked. hmm this seems top be a uncommon issue.
I ahve the SAME exact problem with the 8GB Transcend Class 6 Micro SD that I just bought for my phone. I've had no issues at all with the 4GB Transcend Class 6 card that I currently have. On the other hand, I had a 4GB Sandish Class 6 that would not work in my Raphael but would work just fine in my Kaiser.
Appearently the card worked randomly but i can't copy any file to the card for some reason.
look for something called SDformatter by panasonic i had similar troubles with a couple sd cards till i found this program.
they all work now in any phone/device.
Is there any specific setting to set in the program Panasonic formating program? Erase enable or whatever? I had my SD card working for about 2 or 3 days and now its not detected again.
I have similar my 8GB does not get recognized and if does it's only for a matter of minutes then corrupts but my 2GB reads fine, but the 8GB is fine in Kaiser already used the SDformatter to which makes it read till corrupts again within minutes...
Going to try some other cards out in local shop before purchase will take laptop to transfer data while there.
stylez said:
I have similar my 8GB does not get recognized and if does it's only for a matter of minutes then corrupts but my 2GB reads fine, but the 8GB is fine in Kaiser already used the SDformatter to which makes it read till corrupts again within minutes...
Going to try some other cards out in local shop before purchase will take laptop to transfer data while there.
Click to expand...
Click to collapse
I have read in a lot of post that Transcend 8GB class 6 card have problems to be recognized by Rapahel.
I also have one. On my Kaiser worked well.
With stock rom it wasn't recognized by Raphael; with Energyrom it is recognized, but i used for few minutes, because i feared that something bad could happen..after reading all these post.
I usually use a Kingston 2gb card.
We were unlucky buying these cards...
Monfro said:
I have read in a lot of post that Transcend 8GB class 6 card have problems to be recognized by Rapahel.
I also have one. On my Kaiser worked well.
With stock rom it wasn't recognized by Raphael; with Energyrom it is recognized, but i used for few minutes, because i feared that something bad could happen..after reading all these post.
I usually use a Kingston 2gb card.
We were unlucky buying these cards...
Click to expand...
Click to collapse
Mines a Samsung 8GB class 6 and think your correct just an unlucky card and yeah Kingston 2GB fine, when can get to test some cards will update post.
stylez said:
Mines a Samsung 8GB class 6.
Click to expand...
Click to collapse
Yes, I also have a Samsung 8GB class 6 card that my Touch Pro refuses to read. Tried an EnergyROM as I had read that for some reason they were better at reading some cards. But no dice - just bought Sandisk Class 2 and it works perfectly so far

[Q] SD card kingston 16GB class 4

I bought a micro sd of kingston class 4 16GB in the store, not happy with it at all.
In the beginning it had issues because i couldn't put any files on it. Eventually fixed that. A week ago i couldn't put any movies on it, let say files bigger than 100mb. Now i can't put any songs on it:S
Already did chkdsk, and formatted it like 20 times, still same problem
TopGear63z said:
I bought a micro sd of kingston class 4 16GB in the store, not happy with it at all.
In the beginning it had issues because i couldn't put any files on it. Eventually fixed that. A week ago i couldn't put any movies on it, let say files bigger than 100mb. Now i can't put any songs on it:S
Already did chkdsk, and formatted it like 20 times, still same problem
Click to expand...
Click to collapse
Go back to the store and maybe ask for a new one??they have lifetime warranty
is the card format are fat32?
Yes 1GB ext4 and remaining is FAT32
Then have u try to copy the file using the card reader?
Give the card back and buy another make. I bought one of these a few months back and it was causing me a lot of hassle. I had it replaced with another one and same problems again. In the end I just gave it back and went for a Samsung 8GB class 6- has been working fine so far.
Hello,
Just to let you know, I had a Sandisk 16Gb class 2 and I replaced it with a Lexar 16GB Mobile MicroSDHC Card Class 6 High-Speed and it's working not to bad, I'm really happy with it, much faster then the Sandisk.
Super34

Sandisk 64gb Microsdxc Card

I was given one of these cards as a gift and the first one shipped failed to format but the replacement came in today and works great in my Galaxy Tab 7 Plus. Just thought someone may want to know. The formatted storage space is 59.4gb.
ZOMG. 64gb works with the GTab+? that's legit! how much did you pay for it?
diospada11 said:
ZOMG. 64gb works with the GTab+? that's legit! how much did you pay for it?
Click to expand...
Click to collapse
It was a gift but Amazon had it for $149.00 at the time.
You are so lucky! If it were about 75 bucks I would actually consider getting of of these...
I'm planning to buy this card,so i want to know its actually transfer speed. Can you test it on PC using the software Atto Disk Benchmark ?
Since they started doing this "internal" and "external" memory card with our devices, I'm not too worried about swapping the sd card in and out anymore as it doesn't affect the way the device works as much as it used to.
I have a 32GB card each for my tablet and phone that pretty much stay there all the time. What i did instead for extra capacity was collect all the old 16GB cards and store them in this sd-card holder that fits perfectly in this black aluminum business card holder. I bought the sd-card organizer and business card holder from ebay.
That's 11 (one in the microSD to SD adapter) 16GB cards for 176GB total. I mainly use this system to backup and transfer pictures from my bigger SD cards when I'm out shooting photos (using the 30-Pin to SD adapter).
http://www.amazon.co.uk/gp/offer-li...l?ie=UTF8&coliid=&me=&qid=&sr=&seller=&colid=
was £95 last week.
down to £77
nrage23 said:
I was given one of these cards as a gift and the first one shipped failed to format but the replacement came in today and works great in my Galaxy Tab 7 Plus. Just thought someone may want to know. The formatted storage space is 59.4gb.
Click to expand...
Click to collapse
What did you use to format the card? i put this in my G Tab+ and when i click mount sd, it gives me an error icon in the notification area. when i tap that and click format, it says it is blank or has an unsupported file system. Any help would be appreciated
*Edit* - I've been having trouble finding a utility I trust to format the card as FAT32. On my windows 7 64 bit machine, the native right click format menu doesnt even give me the option of doing FAT32, just exFAT or NTFS (both useless for the application I need). Even the official SD Formatter tool didnt give any choice in the filesystem to format to.
After seeing this article, I decided as a last ditch effort to use my Vibrant to see if i could get it to format as FAT32 since the article mentioned it working in the Galaxy S. This worked and i now have 59.4GB free to exploit on my G Tab+ (However, I did have to use the file write permissions fix to get things to copy between internal and external memory within Astro). Just wanted to post for others that were having trouble finding a way to format this card as FAT32. My assumption is any of those confirmed devices will format it.

Sandisk 64GB failure

Just curious, as I am about to be on my 3rd card. First two cards, transfered for a short period of time, then froze, then reformatted, same thing. Next time reformatting froze, and both cards showed unsupported file structure.
Used:
Dban
sdformatter
diskpart
gparted
linux fedora built in formatter
os x disk utility
fdisk
and everytime the card fails to format. I did call sandisk who told me their class 10 64gb microsd cards have had a really high fail rate...
I was on the phone with them asking why I should keep the card...lol
i am not angry, just really curious if I am the only one. Would be my Irish luck!
Have you tried this
https://www.dropbox.com/s/660o0s5rf68az3q/guiformat.exe
droidstyle said:
Have you tried this
https://www.dropbox.com/s/660o0s5rf68az3q/guiformat.exe
Click to expand...
Click to collapse
failed aswell on both cards :/
nosympathy said:
Just curious, as I am about to be on my 3rd card. First two cards, transfered for a short period of time, then froze, then reformatted, same thing. Next time reformatting froze, and both cards showed unsupported file structure.
Used:
Dban
sdformatter
diskpart
gparted
linux fedora built in formatter
os x disk utility
fdisk
and everytime the card fails to format. I did call sandisk who told me their class 10 64gb microsd cards have had a really high fail rate...
I was on the phone with them asking why I should keep the card...lol
i am not angry, just really curious if I am the only one. Would be my Irish luck!
Click to expand...
Click to collapse
I've had my SanDisk 64 Gb card and GSIII for a whopping 8 days.
No problems yet, I filled up 50 gigs on the card and no errors of freeze ups (I haven't transferred anything into the card since the day I got it)
I'll let you know if it kicks out on me.
SeattleParis said:
I've had my SanDisk 64 Gb card and GSIII for a whopping 8 days.
No problems yet, I filled up 50 gigs on the card and no errors of freeze ups (I haven't transferred anything into the card since the day I got it)
I'll let you know if it kicks out on me.
Click to expand...
Click to collapse
mine was immediate. First card I got 12 of 24gb transfered crashed, second card was 6gb of 24 before it crashed.
they are overnighting me a 3rd card, so i prolly will get it thursday, and will try again...
I purchased the 64Gb Class 6 over a month ago and have had no problems. I was bummed I did not go with the class 10, now hearing the high failure rate on the class 10 makes me glad I got the class 6.
Thats wierd, mine has worked flawless so far. Keeping my fingers crossed lol.
Is this the microSDHC or microSDXC? I'm about to pull the trigger on this one and if it's the same model, I'll wait.
Aquila76 said:
Is this the microSDHC or microSDXC? I'm about to pull the trigger on this one and if it's the same model, I'll wait.
Click to expand...
Click to collapse
Mine is the sdxc-1
Aquila76 said:
Is this the microSDHC or microSDXC? I'm about to pull the trigger on this one and if it's the same model, I'll wait.
Click to expand...
Click to collapse
SDXC
droidstyle said:
Mine is the sdxc-1
Click to expand...
Click to collapse
yes this one.
Sorry to hear about your issue. I guess I'm glad that I cheaped out and went with the Class 6 before they started giving the good deals on the Class 10 ones.
open1your1eyes0 said:
Sorry to hear about your issue. I guess I'm glad that I cheaped out and went with the Class 6 before they started giving the good deals on the Class 10 ones.
Click to expand...
Click to collapse
I didn't think there was even a class 6 for sandisk's 64gb SDXC? One doesn't exist on their website anyways. I had even bought one off bestbuy advertised as the class 6 version, but when it showed up it was the class 10(possibly UHC too, threw the package out so I'm not 100% sure on that part)
Brian Gove said:
I didn't think there was even a class 6 for sandisk's 64gb SDXC? One doesn't exist on their website anyways. I had even bought one off bestbuy advertised as the class 6 version, but when it showed up it was the class 10(possibly UHC too, threw the package out so I'm not 100% sure on that part)
Click to expand...
Click to collapse
My mistake, you are right. I actually meant between the two versions of the 64GB, the cheaper (non-UHS?) one.
I had a Class 10 64GB Sandisk card fail on me but it was plugged in to the computer via USB at the time so I don't blame it on the Galaxy S3. They sent me a Class 6 card in return. When pressed on it they said they have been having problems with the Class 10 cards and their technicians are looking in to it. After dealing with Sandisk customer service for a week, they finally agreed to send me a Class 10 card after I send back the Class 6 one.
So that means I'll be without an external sdcard for another 3 weeks! Total time I have been dealing with this issue is 4 weeks so far.
The Galaxy S III format function will only format for extfat32 which is Microsoft proprietary and not fully understood by Samsung or others. Its a known issue now that it causes corruption and missing files on the Galaxy S III. ROMs will also not support the formatting, you need to format Fat32 using a tool. I'm not sure if it could lead to permanent damage though as described in OP.
http://forum.xda-developers.com/showthread.php?t=1803814
Been running Class 10 a couple months. No problems so far. Formatted fat32.
manaox2 said:
The Galaxy S III format function will only format for extfat32 which is Microsoft proprietary and not fully understood by Samsung or others. Its a known issue now that it causes corruption and missing files on the Galaxy S III. ROMs will also not support the formatting, you need to format Fat32 using a tool. I'm not sure if it could lead to permanent damage though as described in OP.
http://forum.xda-developers.com/showthread.php?t=1803814
Click to expand...
Click to collapse
there are plenty of people using the card in exfat, as many have stated they stuck the card right in the SIII and off they went.
also, plugging the card right into my computer, and never into my phone, led to the same issue.
also mentioned, calling sandisk, they said their is a high failure rate on the class 10 cards. Those of you with cards still working, I hope my new card coming in tomorrow, works the same way.
nosympathy said:
there are plenty of people using the card in exfat, as many have stated they stuck the card right in the SIII and off they went.
also, plugging the card right into my computer, and never into my phone, led to the same issue.
also mentioned, calling sandisk, they said their is a high failure rate on the class 10 cards. Those of you with cards still working, I hope my new card coming in tomorrow, works the same way.
Click to expand...
Click to collapse
If you do still want to get your old one working (if you still have it), I guess you can try this utility. It worked for me when I messed up some of my old cards pretty badly. Perhaps it is worth a shot?
yosterwp said:
If you do still want to get your old one working (if you still have it), I guess you can try this utility. It worked for me when I messed up some of my old cards pretty badly. Perhaps it is worth a shot?
Click to expand...
Click to collapse
have that listed in my OP, didn't work on either card. If I ran it on the card normally, would tell me the card was write protected. If I ran it on the card after using gparted to delete the main partition it would get about 40% through formatting and then fail saying the card stopped reading.
Sandisk cards really are junk & it's not just the 64 gig class 10.
I have used their cards for years as there is not a lot of other options at times, but I had three of their 32 gig cards go bad on me.
I now have three 64 gig class 10's but I back them up religiously to my PC. I don't use FAT32 as I store blue-ray rips to my card that are over 4 gigs & FAT32 won't allow that.

S4 another SD destroyer? Damaged SD Card

I have the new SanDisk 64GB micro sd card, and lately ive been getting 'Damaged SD Card, Try Reformatting'
at first I just sighed to myself.. 'the s4 if another sd card destroyer'. I checked around the forum, but didn't see any similar topics, so I thought maybe it was just me.. but now my buddy who got an s4 on t mobile picked up one of the 64gb sd cards, and just got the same notification.. so what gives? *(pic related)
http://i.imgur.com/a0AuOf5.jpg
anyone else getting this? what gives?
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
I've heard a lot of people having problems with the Sandisk cards. Myself included, my 16gb I had in my S3 got totally messed up.
I tried reformatting and it was a no-go, totally dead.
Since then I bought a 32GB Class 10 Samsung Card. Never had an issue since.
It may have to do with the formatting of the SD card. While playing around with my new Samsung 32GB card, I found my S4 displaying that message (even though it worked fine on my computer) every time the card was formatted as exFat. Fat32 seems to work fine.
I have that same issue, however, it also happened to me with my S3. I ended up have to format the card in the phone and copy everything back onto the card again for it to work. so far it's okay right now. This is still the same card, Sandisk Ultra 64gb micro SDXC. Both my wife note 2 and buddy S3 use the same type and they never had any problem with "damaged sd card". I'm thinking OP and I both are just the bad luck one with a bad card or two. I'm thinking of calling in for warranty from Sandisk to see if it's the card that's damaged.
This issue happened to me, but only once. After the OTA update, after reboot I saw this. But instead of formatting like the message suggested (I already had gigs of stuff on the card), I went into the settings and Dismounted the card and remounted it.
Haven't had an issue since.
Maybe you can try it to see if it works for you.
My s4 has been fine with it but when I had a skyrocket it was having major issues.
Sent from my SAMSUNG-SGH-I337 using xda premium
kevinl86 said:
i've heard a lot of people having problems with the sandisk cards. Myself included, my 16gb i had in my s3 got totally messed up.
I tried reformatting and it was a no-go, totally dead.
Since then i bought a 32gb class 10 samsung card. Never had an issue since.
Click to expand...
Click to collapse
+100000000000000000000000000000000000000000
It is best to format fat32...period, no issues will ever occur. I have been using a 64g since it hit the market...it is so old there is no markings left on it..hehe
S4 here and 64gb class 10 that originally was in my S3. No problems yet. Think I might be fat 32.
Sent from my SAMSUNG-SGH-I337 using xda premium
Mine's Sandisk, Class 10, UHS-1, 64GB in exFAT.
Samung class 10 32gb pulled right out my og note and slapped in my s4 and have had no problems.
Sent from my SAMSUNG-SGH-I337 using Tapatalk 2
This is a common issue in all devices with sd's, especially devices that move physically.
Put 1 or more pieces of scotch tape on the non contact side of the card and cut to size. This will reduce the amount of movement of the card during write events to the card, which is the culprit of why these cards get corrupted.
Thats it.
32 gb class 10 lexar fried. Never had a problem until now.
Sent from my SAMSUNG-SGH-I337 using xda premium
I'm glad I'm not the only person who is having this problem. This thing destroyed my 16gb lexar that I've had for a few years. Mount option went gray, and I couldn't even open it on the computer. I was trying to make sym links to move my Google Music to it, but yeah. It's a little disappointing, but I wanted to get a 64gb anyway... Is the secret to use Samsung SD cards? Either way, it was time for a new one.
you know you could use the PC command chkdsk -r -f to fix damaged sdcards?
from what i've been reading about the 64gb sandisk cards, they work better formatted as exfat than fat32. samsung is one of only a few mobile phones that support the exfat format. when you try to format a sandisk 64gb class 10 card, it will eventually become corrupt. that's why they come as exfat. also, formatting it to fat32 will indeed slow down the speed transfers of the card.
this tool i hear works good for changing the format from exfat to fat32 without damaging your sd card. http://www.ridgecrop.demon.co.uk/index.htm?guiformat.htm
RMXO said:
you know you could use the PC command chkdsk -r -f to fix damaged sdcards?
Click to expand...
Click to collapse
I will try that when I get a hold of it again along with disk utility when I boot up mac next, but currently it's blue screening my laptop when I try to use it. (Running a bootcamp of windows 8 means weird bugs are lurking around every corner)
Happened on my Note 2, guess these new Samsung phones don't play well with SanDisk cards.
Sent from my HTC One using xda premium
Friends s4 didn't like any brand but Samsung. I did however notice a lot of bad reviews on all 64gb micro sd cards except the Samsung one. Based on the reviews I bought the Samsung 64gb class 10 and had zero issues. A bit more expensive but you know what they say.
My 64GB Sandisk Class 10 has been damaged 3 times since getting my GS4. I sync my 40GB of music and takes all night to do this. It can be annoying, but when it happens I re-sync when I go to bed.

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