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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.
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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

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.

[Q] Micro SD No Faith

I have tried both a 64gb and a 32gb micro sd card and if I try to save or backup my documents on it sooner or later a few weeks down the road my Note Pro 12.2 reports that I have a corrupt card. I never take it out so that is not the cause. I do not have any apps installed on the card. I am not rooted.
All I am trying to do is keep my music, videos, pictures, and a copy of word and excel files on a micro sd card but I have no trust that my micro sd card is going to work.
I have formatted these cards using my Note Pro. I have formatted these cards using my Windows PC. But several weeks down the road I get the corrupt disk error... please reformat!
Is rooting the answer?
Any help is appreciated.

Sounds like a bad card to me. What brand is it?
Sent from my SM-P900 using Tapatalk

This usually happens with low-class or cheap-brand cards.
In general you're best off only using class 10 or above cards by Sandisk or Samsung. Anything else is highly unstable.

I have a San Disk Class 10 64gb but my other card is a PNY Class 6 32gb. I guess I'll look at getting a Samsung? I believe I had read somewhere about this device not liking 64gb cards? Or maybe I read something about it not allowing files to be saved to external storage. Something Samsung was doing.
Anyway thanks for the input. I would like to use a 32gb card as I really don't need 64gb so if my PNY isn't going to work I need to get something that will.

How does this card look?
http://www.amazon.com/Samsung-Elect...3974869&sr=1-2&keywords=samsung+micro+sd+card

If that samsung is as fast as it's rated that looks like a good card.
I'm using the Sandisk Extreme Plus 64gb but have only had it for a month and a half. So far no issues but I wonder if it too will be a time bomb.

muzzy996 said:
If that samsung is as fast as it's rated that looks like a good card.
I'm using the Sandisk Extreme Plus 64gb but have only had it for a month and a half. So far no issues but I wonder if it too will be a time bomb.
Click to expand...
Click to collapse
I ordered it since it was only $27 & I had a $25 gift card.

Mickeylittle said:
I have a San Disk Class 10 64gb but my other card is a PNY Class 6 32gb. I guess I'll look at getting a Samsung? I believe I had read somewhere about this device not liking 64gb cards? Or maybe I read something about it not allowing files to be saved to external storage. Something Samsung was doing.
Anyway thanks for the input. I would like to use a 32gb card as I really don't need 64gb so if my PNY isn't going to work I need to get something that will.
Click to expand...
Click to collapse
There's no issue with 64GB cards. There's no issue with 128GB either. Some of the older devices had issues with SDXC UHS-I cards, but that was over a year ago.
There is, however, an issue with Android KitKat no longer allowing non-stock apps to write to the SD card. That's Google's doing. It has nothing to do with corrupt cards.
Samsung and Sandisk cards are both excellent. Just make sure they're class 10 or higher.

muzzy996 said:
If that samsung is as fast as it's rated that looks like a good card.
I'm using the Sandisk Extreme Plus 64gb but have only had it for a month and a half. So far no issues but I wonder if it too will be a time bomb.
Click to expand...
Click to collapse
ShadowLea said:
There's no issue with 64GB cards. There's no issue with 128GB either. Some of the older devices had issues with SDXC UHS-I cards, but that was over a year ago.
There is, however, an issue with Android KitKat no longer allowing non-stock apps to write to the SD card. That's Google's doing. It has nothing to do with corrupt cards.
Samsung and Sandisk cards are both excellent. Just make sure they're class 10 or higher.
Click to expand...
Click to collapse
What is the best method to copy delete movies to/from my micro SD card? Should I unmount it and remove it or should I power off my tablet and remove it. Or will it be better just to copy them from a USB stick to the card while the card is still in the tablet? I'm hoping to keep 10-15 movies on my card and swap them off to put more on probably every 6 weeks and I want to know which way is the best way not to harm my card.

Mickeylittle said:
What is the best method to copy delete movies to/from my micro SD card? Should I unmount it and remove it or should I power off my tablet and remove it. Or will it be better just to copy them from a USB stick to the card while the card is still in the tablet? I'm hoping to keep 10-15 movies on my card and swap them off to put more on probably every 6 weeks and I want to know which way is the best way not to harm my card.
Click to expand...
Click to collapse
Unmount the SD card through Settings --> General --> Storage --> Unmount SD Card.
Or connect the tablet via USBcable to the PC and copy it onto the SDcard that way. (It loads as a network device in explorer)
I've got 11 films, two shows and a handful of concerts on my MicroSD and swap regularly, I usually use one of these two methods.

For me, I use a MacBook Pro which for some reason does not allow me USB 3.0 connectivity to the tablet (driver issue I'm sure but try as I might I have never gotten it to work). I therefore use a USB 2.0 cable and Kies to copy files to the tablet that way. I'm able to pick the external card as a destination and transfer at USB 2.0 speed.
Sent from my SM-P900 using Tapatalk

Thanks for all the help everyone. Hopefully with the new card coming Wednesday my problem will be solved.

I have and use a 64GB SanDisk Micro SD Card on my P900 and can open, copy, move files from and to the sdcard using samsung's stock file manager (My Files) without any problems.
Sent from my SAMSUNG-SM-N900A using XDA Free mobile app

[Q] 64 GB SD Card Issues

Hi
I'm hoping someone can help me, I've just purchased a new 64GB Micro SDXC UHS-1 to use with my new Sony Xperia Z3. But I'm having a lot problems, the phone keeps saying "Damaged SD Card Please format the card" however the Card works fine on PC. I have tried formatting from the phone still says the same thing. I have tried both Fat32Format GUI and EaseUS partition to format the card to FAT32. As far as I can tell its FAT32 but the phone still wont accept it and keeps saying Damaged SD Card.
Unfortunately, I don't have another SD card to test the phone, so before I take the phone back or get another SD card I want to make sure I've tried everything or see if this is common issue that someone might have a solution for. I have also tried restoring the phone using the Sony PC Companion.
Any ideas on what the problem might be?

It keeps corrupting all my sandisk ultra 64gb micro sdxc cards. I've read atleast one on Xperia care forum with issue. Including ones I've used for ages in other devices

I have no problem with my high speed Sandisk Extreme Plus 64GB.

The easiest way to tell whether it's the phone or the SD card would probably be to test another one... I have a 64GB Samsung PRO and it has worked great for me.

Did you try format it to exFAT?

wc_how said:
Did you try format it to exFAT?
Click to expand...
Click to collapse
Yes I have tried exFat and tried NTFS even though I knew it wouldnt work but thought I would try anyways..

Wait ExFat works?

Does this apply to all Z3's or just specific ones? I have a 64gb sandisk ultra microsd card and want to use for my Z3 that I am purchasing. Do I actually have to root it or will it just work if I put it in the MicroSD slot? I thought it supported up to 128gb.
Also, I've been reading the forums and found posts of people with gap issues and light showing on the sides. Do any of you have these issues?

abhinav.tella said:
Wait ExFat works?
Click to expand...
Click to collapse
ExFAT has better limitation than Fat32.
If the phone doesn't support NTFS, can consider the exFAT.

Ok so i've resolved the issue (so to speak), the hard I was trying was a Strontium Nitro 64GB, which does not work with the Z3 it works with the Z1 though (strange). So I purchased a SanDisk Ultra and that is working now with no problems.
I dont have any issues with Gaps or light showing on the side.. I have put the phone under the tap for a few mins and havent had any problems.

I have a PNY 64GB MicroSDXC I and am experiencing the exact same issue. The phone reads other 4GB sd cards but absolutely refuses to read the 64GB one no matter how I format it. Reformatting it through the phone prompt does not work. It just pops up with damaged sd card please try formating every time I have it try to fix it. The sd card reads fine on multiple windows pc's. I have tried formatting it as exFat and Fat32(which windows wouldn't let me do...had to use a 3rd party utility) and neither worked.