SanDisk 64GB Ultra Class 10 - Galaxy S III Q&A, Help & Troubleshooting

Anybody facing issues with the Memory Card getting corrupt? Everytime I flash a new ROM the card crashes. And, I need to format it.
Sent from my GT-I9300 using xda premium

Sandisk 64gb micro sdxc cards
HI I have had 3 cards replaced by Mobymemory in the last month because of the same problem ie corruption i contacted Sandisk direct and they told me there is a problem with class 10 64gb cards on some Android devices and they are working on the problem for a solution,for now either format to fat 32 or if the card is new ask to get it changed to class 6 as these work ok,hope this helps

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64gb microSD...

Do it work?
Galaxy S II phones say they only accept up to 32gb microSD cards and yet they happily accept 64gb cards. Was wondering if the tab 7.7 does as well?
Yes i have 2 sandisk 64gb class 6 micro sd cards,1 in my gs2 the other in my tab for 2 weeks now works perfectly.
Get it on sale here hurry:
http://www.adorama.com/IDSMUMSD64G.h...ce=rflaid62905
Yes it does
I can confirm both wifi and 3g can take the 64gb micro sd.
Yep, confirmed again here. I swap between 2 SanDisk 64GB microSD cards for my data and haven't had any issues.
Confirming the Verizon version i815 can accept Sandisk 64GB microSDXC.
I would get one for my 7.7 if that one mod that let's you swap the external and internal sdcard works with it. Has anyone tried it? With all the new high resolutions games and mapping data from offline navigation app, i'm running out of internal sdcard memory.
FYI, on an ICS rom (Skyfire) I was only able to get the Gtab to recognize my 64gb microsd card when formatted as FAT32. ExFat and NTFS were not recognized.
FWIW I've learned the hard way (3 dead 64gb cards) that they DO work but are 'fragile'. Just format fat32 using EaseUS (free) and you're good to go. The fragile part is that they seem to get corrupted at the slightest provication. Seems like any power interuption, no proper unmount or ejection, any early data flow termimation, whatever, will do it. Just be **very** careful in use and should be ok.
Sent from my SCH-I815 using xda premium

[Q] DX Support for 64GB Micro SD Cards

Is there anybody here who has their Desire X working with a 64GB SD card before I go ahead and buy one? I understand that some phones have problems with SD cards greater than 32GB. Cheers
myusernamewastoken. He has a SDXC 64GB.
Flowed from my HTC branded muffin...
DX has no problems with 64gb microsd cards... at least mine
Same here... Kingston 64GB microSDXC Class 10... Without a problem...
Only thing is when you mount phone as mass storage on PC... It takes like 10 seconds to recognise opposed to immediately with a microSDHC card... But I'm sure that won't be a major issue...

[Q] SD Card

I have a class 4, 32GB micro sd card and i'm planning to buy a new one. I'm thinking about buying a class 10 64gb, but i don't know if the phone will support this much memory.
There is any drawback about having 64gb? Should i get a class 10 32gb instead?
ffp. said:
I have a class 4, 32GB micro sd card and i'm planning to buy a new one. I'm thinking about buying a class 10 64gb, but i don't know if the phone will support this much memory.
There is any drawback about having 64gb? Should i get a class 10 32gb instead?
Click to expand...
Click to collapse
It has been reported that Xperia 2011 devices like Arc S and Play support 64GB so I think it should work, but it is NOT advisable! And only ONE Neo V user has reported using 64GB hence it is a RISKY investment! :cyclops:
I'd say stick to buying a Class 10 32GB
But if you still wanna get the 64GB then here is the procedure - Insert the SDCard(It might show prompt saying Card is empty) and Format it from the phone(FAT32) and it should work.
Disclaimer : I got info from other posts. I'm not responsible if anything goes wrong with the 64GB choice! :cyclops:

[Q] SGP321 and 64GB SDXC

I just got 64GB micro SDXC, put it into my Xperia Tablet Z SGP321 and found out, that it get unmounted after a while when I'm writing anything on sd card.
I though that this tablet has support for sd cards up to 64GB, but now I found out that 3G model has support only for sd cards up to 32GB.
Is there any way to use my 64GB card with this tablet?
My 4G/LTE version formatted my 64GB card up to 64GB perfectly fine.
Did you get the tablet to format it itself, or just stick it in straight from the packet?
I tried to format it in the tablet with no difference.
no problem with the 64GB and the SGP321 Android 4.2.2 ....
sent from a land "farfaraway"
Same device, same FW...
Today I tried some full HD movies (8GB & 13GB) and few 700MB movies, copied using card reader connected to PC.
Then I put card into tablet, open one movie (it worked) and tried to skip to half of the movie. Card got unmounted but then automatically remount. I tried it again and it works now, I'm able to play all movies and skip forward/backward...
But still, when I try to copy some files to SD card in tablet, it got unmounted after short while (i.e. after 10MB).
I use SanDisk 64GB microSDXC class 10.
Maybe it's a fake?
TimmyRaa said:
Maybe it's a fake?
Click to expand...
Click to collapse
I have a 64gb SanDisk and have also noticed the occasional. Usually during situations of heavy load. Works fine for the most part, just the occasional dismounts, and I know mines legit because it's straight from SanDisk after I rma'd my original one.
I had the same problem with SanDisk Ultra 64 GB card, now I replaced it with Patriot 64 GB Class 10 and everything is working fine.
No more unmounting issues

Samsung 32GB Micro SDXC Card fraud?

Hey guys,
so I bought this Samsung Micro SDHC Card which has a storage of 32 GB from this link:
http://www.amazon.de/Samsung-microS...te-MB-MPBGCEU/dp/B00AYC6V2U/ref=cm_cr_pr_pb_t
It clearly states that it's a Micro SDHC Card and when it arrived I was surprised to see that it's a 32Gb Micro SDXC (I thought that SDXC only made sense with 64Gb of memory).
However, I plugged it in my S3 and it worked from the start but then I started to transfer files to it (about 12 gb) from my old Micro SD Card. The speed was ridiculously low, at about 1 MB/s and sometimes even lower. And I was copying big files like videos and also MP3`s where the speed is usually about 10MB/s with my old MicroSDHC Card Class 10. I tried to format it but it wouldn't help.
So then I started to do some research and I couldn't find even 1 picture of the card using Google (Samsung Micro SDXC 32GB UHS I Card), so I'm beginning to think that it's maybe a fraud?
Have you guys seen a card like this or maybe someone even owns one? Would be interesting to know.
Anyhow, I'm gonna write to the seller that I want a new one, since this one is clearly not working as it should.

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