[Q] Problem with 64 GB SDXC - Android Q&A, Help & Troubleshooting

Hi!
I've scorched the net and XDA for an answer to my problem.
I have a Samsung Galaxy S2 and recently bought a no-name 64 GB SDXC card to replace my 32 GB, but I can't get it working properly.
I can transfer files to the card both via a micro SD adapter and the USB contact plugged to the computer. The SGS2 detects it, but the folders and files in them are corrupted by the phone. After some GBs, all folders are empty and folder names format like this:
"Dave Gahan" > "µAVEGA~1" (spaces in original folder name)
"Depeche Mode" > "µEPECH~1" (spaces in original folder name)
"Delerium" > "µELERIUM"
Haujobb > "µAUJOBB"
Accept > "µCCEPT".
Here's a screenshot from X-plore:
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If I put the SDXC back in the computer, the folders are like in the phone (corrupted).
I've never had this issue with the 32 GB card and right now it's working perfectly having the exact same files as the 64 GB on it.
I'm running stock ROM with Speedmod kernel 4.1.2. The 64 GB is formatted to FAT32 with 32 kb cluster size and there are no files over 4 GB.
Is there a way to solve this or is my 64 GB SDXC broken?
Thanks.

Thread moved to Android Q&A.

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Question will be asked in the sdcard thread: http://forum.xda-developers.com/showthread.php?t=1947560&page=43
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Related

Totally confused about sdcard - help

I am looking at my Galaxy S2 files with the app "WiFi File Transfer" (which is great if anyone doesn't know about it... but that's for another thread). There's sdcard and external_sd and there is mnt/sdcard. What the heck is mnt? I feel like I am going in circles.
Thanks for any clarification.
I believe it stands for mount. Linux term maybe? The technical path of the SD card on your phone is
/mnt/sdcard/
See the top of this screen shot of me looking at the "root" of my internal SD card.
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Sent from my Galaxy S II (i777)
Thanks, quarlow. While moving a file and not knowing what I was doing, somehow I put a file on mnt/sdcard/external_sd. So confusing. I guess all I really need to know right now is that the root of my card is mnt/sdcard and I thank you for that.
I'm pretty sure the sdcard folder you see at root (/) of the phone (/sdcard) is a 'junction point' type of folder to (/mnt/sdcard) the 'root' of the sdcard, at least as far as most computers see.
Similar to the 'Documents and Settings' folder on Windows 7. It doesn't exist except as a direction folder to 'Users' so older programs properly install to the new location for My Documents.
If you want to test it out, put a new file into /mnt/sdcard and then go to /sdcard and see it there.
Sent from my SAMSUNG-SGH-I777 using XDA App

64g microsd card formatting will wipe all data(phone storage)

i know the tech specs ssays redmi note 2 only supports 32g, but i was thinking maybe i can use my 64g microsd BUT the phone will only recognize 32g....the phone detects the microsd, says that it is not formatted and asks to format...IF you press YES, it will will all user data and you will be back on a clean stock rom instead. i tried it 5 times....
cYbOrG5 said:
i know the tech specs ssays redmi note 2 only supports 32g, but i was thinking maybe i can use my 64g microsd BUT the phone will only recognize 32g....the phone detects the microsd, says that it is not formatted and asks to format...IF you press YES, it will will all user data and you will be back on a clean stock rom instead. i tried it 5 times....
Click to expand...
Click to collapse
Format it in fat 32 with your pc
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But if I format FAT32, I can not use files larger than 4GB , tx.
I don't think it's caused by having a 64 gig card. I had the same issue with just a 32 gig one. It didn't clear everything (like photos) but apps and stuff got wiped when I thought it was just going to erase the external microsd. So must be a major software bug. (I got the beta MIUI 7)
I formatted the card on a Mac using an SD adapter and it's working fine.
...
do not use the pop up screen to format.. format inside the system menu and you are good to go.
Nice feature..

MTP not working on custom ROM

Hi,
I'am new to the forum and I came here to help other people, so they can help me either.
I have Alcatel One Touch XPOP 5035X with CWM recovery and custom ROM Android Jelly Bean 4.2.2 and Windows 7 64 bit. My problem is when I try to transfer files using MTP, on Windows it sas that failed to install driver "MTP USB Device". I tried all found solutions here and out. I can transfer files using Mass Storage but it's really slow.
Please help me....
Thank you
Oh, btw, my Internal Storage is replaced as SD Card, and my SD Card is replaced as PhoneStorage.
See the screenshot :
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"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Update : It seems that Gallery app and Music app only loads picture/audio files on SD Card. If I delete them from SD Card, they are still showing those files, but when I try to open them, it shows that file couldn't be located. I tried copying files to Internal Storage and still won't open them, like they don't exist. Same thing for notification sound and ringtone, if they are not on SD Card, they won't play. If I unplugg SD Card, everything works perfect and Internal Storage is PhoneStorage at storage settings. I also notice using RootExplorer that SD Card is named "storage0" and Internal Storage "storage1". I downloaded ROM from here : https://youtu.be/3YC72-tgcxk

The good old .thumbnail issue, doesn't free up space (more than 5gb)

Kinda old topic but I just noticed that I had more than 5.5gb occupied by the folder .thumbnails in DCIM..
After deletion and making a file with the same name the file doesn't re-create but the space doesn't empty up either.
Check this image showing 500mb free while the actual size occupied by the files is 5.78/12gb (disregarding the 4gb occupied by the system since it's a 16gb internal storage)
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"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
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"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
The phone is note 3 neo n750 running on lollipop (Feb 2019)
Anyway to solve this??
On this image you are showing you total internal storage.
I can't see any thumbnail folder on that picture.
Actually it nothing in there except that your internal storage has 12gb and used 5gb
Sent from my K10 using Tapatalk
a602820922 said:
On this image you are showing you total internal storage.
I can't see any thumbnail folder on that picture.
Actually it nothing in there except that your internal storage has 12gb and used 5gb
Sent from my K10 using Tapatalk
Click to expand...
Click to collapse
That's because I deleted it.. It doesn't exist no more.
That's what I said in my OP O.O
Even after deleting it, the 5 gb are still occupied, check the picture again, inside the "orange box" it says "internal memory" and "494mb/12gb"
regards!

Third Party Apps Can't Write Properly on MicroSD Card

My phone is Asus Zenfone Live L2 Bought less than 2 months ago. My microSD card is VGen 32 GB 9 months old. All preinstalled app can perform write action to microSD card like move, copy, paste, extract and download without problem. But any app that I personally install always result in corrupt or 0 sized files. Already checked all those apps for SD card access and storage permission. Phone is currently rooted but issue existed since before. Already looked solution on Google but no working fix.
@arjuna17jax
To install apps on external SD-card requires this card is set up as internal Android storage.
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"lightbox_thumbnails": "Thumbnails",
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"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
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"lightbox_toggle_sidebar": "Toggle sidebar"
}
Note: This only works if supported by OEM/Carrier.
jwoegerbauer said:
@arjuna17jax
To install apps on external SD-card requires this card is set up as internal Android storage.
Note: This only works if supported by OEM/Carrier.
Click to expand...
Click to collapse
I didn't mean to install app to SD card. But to write files using third party file manager, archive manager, picture manager and media player.

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