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[Q] Can't mount SD card SGH-T989

Hi guys,
I tried to find solution but couldn't find. the solutions were for different phone and etc. so not sure if that would apply to my case this is why want to make sure will get right fix for the issue
Phone was working fine for a couple months but couple days ago I noticed that I can't take pictures because it can't mount sd card
Well I'm thinking I will restore from backup but guess what I can't because clockwork can't see the sd card so I'm kinda stuck here. I think this is a phone's internal memory card not the micro sd card. Am I right?
Thanks for help in advance and if there is a thread with same issue and device please send me a link as I couldn't find it.
Quick info about phone
sgh-t989
android version 2.3.7
baseband verion T989UVKL1
Kernel Version 2.6.35.14+ SGS2-Streamline #3
Mod Version CayongenMod-7.2.0-RC0-373_R6-Kang-SGHT989-KANG
not sure if this is enough info but if you need anything else please ask
thanks for help
Oh well today I had some free time so I sat down and tried to look for fix, turns out it is was external micro sd issue which failed.
Phone was setup to use external card. So after I told phone go and use internal memory rebooted and all good, inserted smaller micro sd card, just to have some additional memory and all is good. So here you go if you will have something similar going with your phone maybe that will help you.

how did you tell the phone to use internal memory? i'm running across this same problem where my external sd card is not being mounted or read

internal sd card wont mount

I was going to post this in the AOKP rom page but i figured it'd get seen more here and maybe its not even a problem related to the rom. I recently installed the AOKP rom located here http://forum.xda-developers.com/showthread.php?t=1831858. everything was great the first day then i started getting random reboots and losing my data. So I flashed a back up and still got the same problems. I lost my data yesterday, fixed that by manually changing the APN settings and everything was fine other than still getting random reboots. today I went to take a picture and it says "no external storage". I opened root explorer and I can access my EXTERNAL SD card but not the INTERNAL. I tried to mount in via the setting, storage menu and it wont mount. Also tried mounting in CWM recovery, no dice.
Is this a hardware problem or something software related? Anyway to get my stuff back or is it gone? I thought about trying to format it through recovery but how can I do that if it wont mount? Any help would be greatly appreciated.
I'm about to go through and install a "clean" copy of this ROM hopefully. Or I might try another ROM I know works like it should.

Installed a new Rom. Everything works perfect so far but still can't access my internal sd card. Any tricks how to get this back or do I need to just turn it in for warranty?
Sent from my SGH-I727 using xda app-developers app

Warranty may be your best solution, you'll have to revert to stock using kies/odin which may on it's own fix your issue.

Are you also receiving the "Blank USB storage or has unsupported file system" error?
I have been battling this issue for a friend of mine (I own only the I9300) and I believe I have somewhat of a fix. It will allow you to use an external SD card.
If you can use / access the external SD card on your phone then disregard this message.
If you can't access any of the storage, including the external SD card try following this short tutorial I made:
http://forum.xda-developers.com/showpost.php?p=31464589&postcount=22

devz3r0 said:
Are you also receiving the "Blank USB storage or has unsupported file system" error?
I have been battling this issue for a friend of mine (I own only the I9300) and I believe I have somewhat of a fix. It will allow you to use an external SD card.
If you can use / access the external SD card on your phone then disregard this message.
If you can't access any of the storage, including the external SD card try following this short tutorial I made:
http://forum.xda-developers.com/showpost.php?p=31464589&postcount=22
Click to expand...
Click to collapse
Im still able to use my external sd card. I can read and write to it from both phone and pc.
Sent from my SGH-I727 using xda app-developers app

The internal SD card is essentially part of the motherboard. If it's corrupted, you have no choice but to warranty the phone out. Kishke's right in that restoring to stock might be your last, best chance.

No Internal SD, TWRP shows internal storage (0mb)

Hi, I'm new to the forum. Well I'm guilty of reading around for a while, but this is my first post! I'm using the LG G3 from AT&T (D850 10f) still on stock kitkat ROM. I rooted the phone through stump bruteforce and then tried to flash TWRP (bump) as per this thread: http://forum.xda-developers.com/att-lg-g3/orig-development/bump-unlock-lg-g3-twrp-t2900569
However, I think I may have put the image file in the external SD instead of the internal SD. Now I can't see the internal SD card partition on the internal storage (not sure it was there to begin with) and when I load TWRP and try to create a backup it shows: Internal storage (0mb).
I tried to create a backup on the external SD but it goes through the whole process and fails in the end (no surprises there).
Anyone ever face this, know how I can fix this? I haven't slept much just been reading and scanning through the forum trying to find a solution.
TIA.

Alright, all fixed! I guess I was too sleepy doing this yesterday, I basically unrooted my phone and did it right this time.
On CM12.1 now!

[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 ??

Poco X3 help! Change storage option disappeared

I wanted addoptive storage and at the time I was waiting for my bootloader to unlock. So I used a tutorial that explains how to format the sd card as internal storage. I did it and it showed the sd card as internal storage but never worked. It was still the same way other than it saying it had more storage so I removed the card and formatted it as sd storage again but now when I go to apps setti g then storage the option the change storage is completely gone I have tried full wipe restart finally unlocking bootloader and reflasking the stock room and nothing brings the option back
I know I'm not the only one with this issue so any help will be greatly appreciated.
Thanks

Thank you so much for all your help...
I figured out how to use my sd card as adoptive storage and actually have it work. So I am happy to say problem solved.

adambomb_13 said:
Thank you so much for all your help...
I figured out how to use my sd card as adoptive storage and actually have it work. So I am happy to say problem solved.
Click to expand...
Click to collapse
How can you use the SD card as an internal memory?

I rooted with Magisk and downloaded root essentials and use the adoptive storage option so far its working great.
I have the 64gb model with 128gb sdcard i will include pics
By the way I still have not found a way to have the change storage option not sure if it is that my sd card is too big (thats what she said) or partitioning or what happened I had it appear once and lost it again. My ultimate goal was more storage but wouldnt mind knowing how to get this to work still if anyone here knows

I still really need VOLTE to work if anyone has any answers...
My wife has the redmi note 9 pro and her Volte it exactly the same non functioning with MIUI11