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SD card issues, pleas help

Ok so I have a authentic Sandisk 32gb class 10 sd card. I t has randomly started to not mount in my phones. And when it does I will get errors copying data to it and such. I have formatted it in exfat and fat 32 using both the phone utility as well as windows to format it. I even did the full format that takes forever. It seems to mount in windows just fine every time. I can copy files to it with no issues. But both TWRP and CWM give error about can't mount external SD card as does my rom I cam currently running. Does this sound like a bad sd card or is it an issue with my phone? I am 8 days past my return policy on amazon currently and it just now is giving me issues. Please help me trouble shoot this guys. I don't want to attempt an RMA with sandisk if I can fix something phone wise. I flash a lot of roms and such but I HIGHLY doubt that has anything to do with it. I even reflashed my recovery and tried different versions with no luck!
Mods: if this will get more help in a different forum please feel free to move it for me

Ugh. Any help guys? I have still been messing around with it and the card seems to function perfect under windows and passes all scans and such but will either not mount in the phone or has errors doing other things while in the phone
Update: I did more formats and reflashing recovery and still no luck. I copied the rom to the 32gb card with zero issues on windows. Tried to flash it on phone and twrp gave errors. Copied same rom to an old 2gb card I have and it flashed perfect. Is it my phone or is it the card? Card works perfect in windows. 2gb card works perfect on both! Is it possible for something on my phone jacked up that would make it only work with the 2gb and not the 32gb card? Scans never show a single issue in windows!!!!!!!!!!

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9646gt said:
Ugh. Any help guys? I have still been messing around with it and the card seems to function perfect under windows and passes all scans and such but will either not mount in the phone or has errors doing other things while in the phone
Update: I did more formats and reflashing recovery and still no luck. I copied the rom to the 32gb card with zero issues on windows. Tried to flash it on phone and twrp gave errors. Copied same rom to an old 2gb card I have and it flashed perfect. Is it my phone or is it the card? Card works perfect in windows. 2gb card works perfect on both! Is it possible for something on my phone jacked up that would make it only work with the 2gb and not the 32gb card? Scans never show a single issue in windows!!!!!!!!!!
Click to expand...
Click to collapse
What happens if you try the 32 GB microSD card in another phone out of curiosity?

[CM13.0] Internal storage problem

Hello.
I have just wiped my device and installed the newest CM13.0 - Marshmallow (LG G3 D855). After rebooting and configuring my phone I got an information that my SD card is unknown. After pressing the notification the phone asked me if I want to use my SD card as external or internal storage. I read about this in the Web and decided to choose the 2nd option. The card was formatted (it was stucked at 20% for couple minutes and after that time progress bar disappeared - no information about success or errors). Internet said me to reboot my phone after the operation is completed.
Now I have a problem. External storage disappeared. I was expecting it to be a part of my old internal storage (about 10GB + 64GB of my SD). What I saw was still 10GB and nothing more. I tried to go to the settings and checked `Storage and USB`. I found my card but I couldn't check the size and anything (there was an information "Checking...", which didn't refreshed even after 2h of waiting...). I think my SD was FAT32, but I'm not sure.
Now when I put the card into my PC i see it has 16MB of size. I tried to format it with size adjustment into NTFS, exFAT and FAT32 - the size of 64GB came back but after doing factory reset and configuring everything in the same way as I described before, I get same issues (using all the file systems).
After all I got angry and decided to choose using my SD normally as an external storage. In this case I see my card and I'm able to copy data on it, BUT... It has size of 16MB... I'm tired of this and really don't have any ideas how to repair it. I don't care if it is internal or external storage. I want this to start working as expected.
Informations:
- LG G3 D855
- CM13.0 (cm-13.0-20151127-NIGHTLY-d855.zip (290.07 MB))
- MicroSDXC ADATA 64GB CLASS-10 (AUSDX64GUICL10RA1)
[EDIT - SOLVED PARTIALLY]
I have partially solved the problem. I noticed that this 16MB is just a swap space. Probably that's why Android saw it as a partition to use.
I managed to set my SD as an external storage. I used EaseUS Partition Master. I deleted all partitions on my card. Next I created a new UNFORMATTED partition (just a raw partition). Then I put my card into the microSD slot in my G3 and started the phone. I chose `external storage` option and it worked! I tried the same for internal but it hangs at 20% and gets an exception. So for now until they fix this, I will use it in the old way.

Nickon said:
Hello.
I have just wiped my device and installed the newest CM13.0 - Marshmallow (LG G3 D855). After rebooting and configuring my phone I got an information that my SD card is unknown. After pressing the notification the phone asked me if I want to use my SD card as external or internal storage. I read about this in the Web and decided to choose the 2nd option. The card was formatted (it was stucked at 20% for couple minutes and after that time progress bar disappeared - no information about success or errors). Internet said me to reboot my phone after the operation is completed.
Now I have a problem. External storage disappeared. I was expecting it to be a part of my old internal storage (about 10GB + 64GB of my SD). What I saw was still 10GB and nothing more. I tried to go to the settings and checked `Storage and USB`. I found my card but I couldn't check the size and anything (there was an information "Checking...", which didn't refreshed even after 2h of waiting...). I think my SD was FAT32, but I'm not sure.
Now when I put the card into my PC i see it has 16MB of size. I tried to format it with size adjustment into NTFS, exFAT and FAT32 - the size of 64GB came back but after doing factory reset and configuring everything in the same way as I described before, I get same issues (using all the file systems).
After all I got angry and decided to choose using my SD normally as an external storage. In this case I see my card and I'm able to copy data on it, BUT... It has size of 16MB... I'm tired of this and really don't have any ideas how to repair it. I don't care if it is internal or external storage. I want this to start working as expected.
Informations:
- LG G3 D855
- CM13.0 (cm-13.0-20151127-NIGHTLY-d855.zip (290.07 MB))
- MicroSDXC ADATA 64GB CLASS-10 (AUSDX64GUICL10RA1)
Click to expand...
Click to collapse
i cant say this will work, but if i had your problem i would clean off the rom and flash it again, and while in twrp before booting, format your sd card. if that doesnt help, i dont know what else to try.
i didnt know this storage option was added to cm13, but anyways, i would never use external storage as internal. ii have seen people try for years, and usually come back with some problems.

bweN diorD said:
i cant say this will work, but if i had your problem i would clean off the rom and flash it again, and while in twrp before booting, format your sd card. if that doesnt help, i dont know what else to try.
i didnt know this storage option was added to cm13, but anyways, i would never use external storage as internal. ii have seen people try for years, and usually come back with some problems.
Click to expand...
Click to collapse
Tried to reinstall... Same thing happens...

Nickon said:
Tried to reinstall... Same thing happens...
Click to expand...
Click to collapse
well, you have 10 post now, i would try asking in the thread where you got the rom. i dont know what else to suggest. sorry.

bweN diorD said:
well, you have 10 post now, i would try asking in the thread where you got the rom. i dont know what else to suggest. sorry.
Click to expand...
Click to collapse
From official Cyanogenmod website.

Nickon said:
From official Cyanogenmod website.
Click to expand...
Click to collapse
its impossible that there is a thread on xda in the g3 section though right? cause thats not what we do here, post roms and such...

Nickon said:
[EDIT - SOLVED PARTIALLY]
I have partially solved the problem. I noticed that this 16MB is just a swap space. Probably that's why Android saw it as a partition to use.
I managed to set my SD as an external storage. I used EaseUS Partition Master. I deleted all partitions on my card. Next I created a new UNFORMATTED partition (just a raw partition). Then I put my card into the microSD slot in my G3 and started the phone. I chose `external storage` option and it worked! I tried the same for internal but it hangs at 20% and gets an exception. So for now until they fix this, I will use it in the old way.
Click to expand...
Click to collapse
I just ran into this problem on a LS990 (Sprint LG G3) and your post gave me a lead on how to fix it.
I didn't have a microsd reader handy so I used adb shell while in recovery and deleted the partition with fdisk
1. opens ADB
Code:
adb shell
2. This shows you the partitions on your device so you can pick out your external sd card
Code:
cat /proc/partitions
3. mmcblk1 was my external sd card, yours may be different
Code:
fdisk /dev/block/mmcblk1
4. P shows your partitions on the device
Code:
p
5. D deletes the partition on your selected device device
Code:
d
6. O creates a new empty dos partition table
Code:
o
7. N creates a new partition and I accepted all defaults
Code:
n
8. W writes new partition table to disk and exits fdisk
Code:
w
9. I then shut down my phone and removed the microsd.
10. Power phone back on. Once phone has completed boot, insert SD card and it'll give you the option to set up the SD card because it's corrupt. This time, choose portable.
**Note: I'm not an expert by any means and this may be completely unnecessary to go through, but this happened to work for me. Use at your own risk**

up any solution in 2016 ??

SD Card Corrupt or Unsupported ??

Hi guys
I know threads on here like this don't get many replies on here but i thought it was worth a shot....lol
I've been using a Toshiba SD card in my S5 for a few weeks and i was using it as adopted storage the a 50/50 mix.
I'm now trying to use it in my S7 but i either get an error saying that its corrupt or that its unsupported and that it need to be formatted.
Every time i try a format it it just give an error.
I have tried formatting the adopted partition in the S5 and then doing a full format but i still get the error.
Ive also tried formatting it on my PC (using the built in format utility, GUIformat , formatter and running a few chkdsk commands but everything checks out ok.
The PC reads and writes to the card perfectly and if i put the card back in the S5 it works as it should.
So it seems like its just the S7 that's having problems with it.
I know its the a hardware fault with the S7 as i can use other SD cards in it, its just this 128gb one that im having problems with.
Any ideas how to fix it?

Anyone ?

Update.....
I've tried a low level format and also formatting it with sdformatter but it still wont work in the S7.
Any ideas ?

oh well , like i said it was worth a shot....lol
I think its time for me to find another forum

Inked_ said:
oh well , like i said it was worth a shot....lol
I think its time for me to find another forum
Click to expand...
Click to collapse
I didn't even know Toshiba made SD cards. I assume it is a class 10? If you were using it in your S5 how old is it?

MN_Bug said:
I didn't even know Toshiba made SD cards. I assume it is a class 10? If you were using it in your S5 how old is it?
Click to expand...
Click to collapse
Thanks for the reply (ive not had many on here)
Its a class 10 U3 like the one here:
http://www.mymemory.co.uk/Micro-SDX...-SDXC-4K-Card-with-Adapter-UHS-I-U3----90MB_s
It wrks perfectly in the s5 and on my PC, its just the s7 that's having problems with it.
I'm thinking its got to be something to do with making it an adoptable (50/50 mix) sd card in the s5 that's caused the problem but i thought formatting it would have fixed it.

Inked_ said:
Thanks for the reply (ive not had many on here)
Its a class 10 U3 like the one here:
http://www.mymemory.co.uk/Micro-SDX...-SDXC-4K-Card-with-Adapter-UHS-I-U3----90MB_s
It wrks perfectly in the s5 and on my PC, its just the s7 that's having problems with it.
I'm thinking its got to be something to do with making it an adoptable (50/50 mix) sd card in the s5 that's caused the problem but i thought formatting it would have fixed it.
Click to expand...
Click to collapse
I have seen other people have this issue but there is no reason why adoptible storage would have anything to do with it. It is just your OS using your SD card in a certain way. The SD card really doesn't care. So you can't format it from the phone, right?
---------- Post added at 09:11 PM ---------- Previous post was at 09:03 PM ----------
Best I can tell. As long as you format it from your computer in FAT32 format it should be able to be read. If it still can't be read it is probably a firmware issue with the phone and that SD card.

MN_Bug said:
I have seen other people have this issue but there is no reason why adoptible storage would have anything to do with it. It is just your OS using your SD card in a certain way. The SD card really doesn't care. So you can't format it from the phone, right?
---------- Post added at 09:11 PM ---------- Previous post was at 09:03 PM ----------
Best I can tell. As long as you format it from your computer in FAT32 format it should be able to be read. If it still can't be read it is probably a firmware issue with the phone and that SD card.
Click to expand...
Click to collapse
Thanks again
I was just thinking that it could be the encrypted partition thats created when doing the 50/50 mix that could be causing the problem as that would only be able to be read in the S5 (although i have tried formatting the card in the s5).
If i format in in say my PC and then put it in the S7 it pops up saying something about the sd card being in a unsupported filesystem and that it need to be formatted, if i let it try and format it, i then get an error saying volume partition disk:179,64 public' failed with '400 command failed, and the card then shows as corrupt. if i then try and reformat it again i just get the same error.

Here is another thread on the same error: http://forum.xda-developers.com/moto-x-play/help/sd-card-error-format-t3311030
If it were me I'd just call it a day and spend $40 to $100 on a shiny new sd card

Got similar problem
Ive took my phone from service - they replaced mother board. Now it doesn't read my microsd XC. But it can read two other microsd XC.
But before they replaced mother board it was able to read my card. And now my card works in EVERYTHING except my phone. I checked it in 2 PC, SGS7, SGS7EDGE, 3 different phones, 2 photo cameras. It works fine. Reading, formating, writing.
When im tring to format it in my phone it stops at 20% and then appears an error "command 'XX volume partition disk:179,0 public' failed with '400 XX command failed" where XX is incrementing value each try.
Any ideas?
I tried to use adb shell sm commands - no use.
Device Exinos SM-G930FD. Stock. Last Nougat update. No Root
Downgrade to Android 6 got no result.

Have the same problem with my Samsung 64gb Sd card in Galaxy S7. Card was previously encrypted and shows now as broken. Reformated on PC using DISK PART. Visible in S7 but after fotmat and restart still broken. Looks like S7 is destroying large SD cards if you encrypt it.
Wysłane z mojego SM-G930F przy użyciu Tapatalka

Hey, guys. I have an S7 Demo Unit which I bought back in October. One of the first things I tried after buying it was to insert my working Kingston 16Gb Class 10 Sd card but it didnt recognize it, no messages at all, so I thought the sd card slot was damaged. A few days ago, I bought a really cheap phone just to receive calls, and it came with a 2Gb sd card, so I just gave it a try and inserted it into my S7, and I was surprised to see that the phone warned me that the card was unsupported, I went ahead and tried to format it but received message "command '11 volume partition disk:179,0 public' failed with '400 11 Command failed". The weird thing is that the two sd cards work great on other smartphones and PCs at home and even if I put whichever card in the S7 via an sd adapter as USB on the Go they work perfectly fine. I've tried several things to format it and get the cards to be read on tje phone but to no avail.
Do yoy know if this has to be something with software on the s7 ?? I have read that this happens on some Moto X also.

I have the same issue on my S7 with Toshiba SDXC card 64GB. Tried to search for a solution but couldn't find.

Major issue formatting SD card

I got a new phone today (ZTE ZMAX Pro) and I took the SD card from my old phone and put it in my new one. I formatted it, unmounted it, and removed it properly. Whenever I try to format it as internal on my new phone, it sticks on 20% and comes up with the following error message: "java.util.concurrent.TimeoutException:Thread Binder_6 gave up waiting for partitionPrivate after 180000ms." I also got another one, the only difference being "Thread Binder_B."
So, I restarted it, and wouldn't you know it - it recognized the card. So, I formatted it for photo swapping or whatever it is, and it worked. I then tried formatting as internal, and it did the same thing I mentioned earlier. So, the card will work as usual after some restarts and removals, but is it pretty much screwed for internal formatting?
The card is a 64 GB SanDisk, and it works just fine on my computer.
EDIT: I just tried with a 16gb card, and it worked fine. I guess the question now is: is the 64 gb card able to be saved?

SD card is corrupted (F3116)

whenever I insert any sd card more than 16gb it displays a sd card is corrupted" notification. i tried a 64gb one on my xa and it did not work, however when i tried using it on my two other phone it works perfectly. the notification tells me to format the sd card but after i format it it says it's​ corrupted again. and help would be much appreciated. (right now im stuck with 16gb cards)

[Xperia XA user] said:
whenever I insert any sd card more than 16gb it displays a sd card is corrupted" notification. i tried a 64gb one on my xa and it did not work, however when i tried using it on my two other phone it works perfectly. the notification tells me to format the sd card but after i format it it says it's​ corrupted again. and help would be much appreciated. (right now im stuck with 16gb cards)
Click to expand...
Click to collapse
Seems like the problem is with the phone, try resetting it or better reinstall the firmware via Xperia Companion.

[Xperia XA user] said:
whenever I insert any sd card more than 16gb it displays a sd card is corrupted" notification. i tried a 64gb one on my xa and it did not work, however when i tried using it on my two other phone it works perfectly. the notification tells me to format the sd card but after i format it it says it's​ corrupted again. and help would be much appreciated. (right now im stuck with 16gb cards)
Click to expand...
Click to collapse
I think problem with SD connectors, try replace it. :good:

Posted in another thread
HTML:
External SD Problem after flash / Root
HTML Code:
Originally Posted by luxmen
I've a BIG problem after Flashing Boot.img and recovery.img.
I've root, TWRP Work like a charm... I've access to my exFat externalSD Card from TWRP
But from Android, my MicroSD cards in exFat (all my cards) are corrupt. I've check from PC all my card are working fine.
I think the problem is MM with exFat, I try Fat32, its work.
Can you help me please ?Hi luxmen
After rooting I found the same problem . I tried formatting on phone on Windows through card reader and again through cmd also through card reader and got the same result. I managed to get my old Xperia M2 back and reformatted which cured problem on the card in question [I reformatted using XA and problem returned].
I have seen on another post in XDA when formatted on another brand of phone this wouldn't work either.
Posted in this thread :How to root your Xperia XA (as noob friendly as possible ) by rrvuhpg
This could be similar issue