A file system is the logical structure to organize (store, retrieve and update) data on a storage device.

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179 views

What might cause my phone to spontaneously stop booting into its custom ROM and only reboot into recovery mode?

My phone is a Samsung Vibrant running CyanogenMod 10.0 (Android 4.1.2). I rebooted my phone, as I do every few days, and instead of starting up CyanogenMod as usual, it dumped me into the ...
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1answer
3k views

How do I delete this read only file?

In order to enable USB mass storage mode, I placed a file in the /system/etc/init.d/ directory. My situation has changed, and now I want to remove that file. I know it is safe to remove because I put ...
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2answers
5k views

I modified vold.fstab and lost access to my SD card

Background: I have Samsung Galaxy Ace GT-S5830, which has very low internal memory (181 MB). I have an external micro SD card of 16 GB, but still couldn't install many apps due to insufficient ...
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0answers
40 views

Installing Redir (and other binaries) to Android

I'm trying to get my phone to redirect all traffic from the Wifi/3G radios, since some apps won't even run if Wi-fi isn't turned on, to the USB Ethernet interface. I figure using redir would work, ...
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0answers
114 views

Folder hierarchy messed up after upgrading my phone to Jelly Bean!

my HTC Desire X recently got an update to JB 4.1.1 but after the update, the folders are not getting diaplayed in their original hierarchy in the music player apps like PowerAmp and also the default ...
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0answers
51 views

Would any of the advanced Linux/UNIX filesystems be viable on Android?

I know ext4 is already used as an internal filesystem but I wondered if there would be anything gained by using something like btrfs or ZFS? I know they are meant for more server-oriented situations ...
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1answer
601 views

What kind of data is stored in /data/user directory?

It seems to store some kind of application data, but how is it different from /data/data directory?
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0answers
615 views

Is there a tool to create a symlink?

I'm looking for a tool to create a symlink with Android. I know I can write a script but I don't want to spend so much time when perhaps somebody has a better solution? I know app2sd and link2sd ...
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1answer
3k views

Link2SD proper usage

I have a 64 GB micro SD card. I partitioned 1.2 GB as Ext2 with Mini Partitioner (highest option was about 4 GB). This is great and all, but from all of the literature I've read, Link2SD seems like ...
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2answers
7k views

Where Android apps store data?

Could you list all possible directories where Android apps may store data, providing description what kind of data are stored in each directory?
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1answer
231 views

Can I delete a file called 'UPDATE' in the dload folder, or will this delete the operating system?

I recently received low space warnings on my Huawei Honor so I connected my phone to the Mac and observed the files: As you can see, perhaps 75% is taken up by a file called 'UPDATE' in the dload ...
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1answer
24k views

What are the folders 'burstlyImageCache' and 'burstlyVideoCache' and can I delete them?

I'm interested in the following two folders found on my Samsung SIII: /storage/sdcard0/burstlyImageCache /storage/sdcard0/burstlyVideoCache Together they only come to about 1.5 MB on my device. ...
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1answer
2k views

Why is EXT3 not supported on Android?

Android uses the Linux kernel instead of some "Android kernel", so why is ext3 not supported on Android 2.3?
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1answer
4k views

Android Folder Hierarchy

On Android's root (/), what is the purpose of each folder? I am wanting to learn the folder hierarchy structure of Android 2.3 and 4.x, if they have different folders in "/".
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5answers
6k views

Not all files are visible over MTP

I have LG L5 (e610 model) device with Cyanogenmod 10. When I connect the phone to a computer with Linux (I have mtpfs installed), I can see both internal storage and the SD card. However when I ...
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2answers
102 views

How to find files related to a process

I was using adb shell to have a peek at what's going on a Sony Xperia Z phone. I've noticed a few services (e.g. com.sonymobile.socialengine.plugins, com.google.android.youtube, etc.). I'd like to ...
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1answer
105 views

Android phone file structure seems corrupted when connected via USB

so I have a Sony Xperia Play, and it's worked for awhile, but now I'm finding that sometimes when I plug it into my MacBook through USB, and try to copy files from the EasyVoiceRecorder folder onto my ...
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0answers
154 views

Can Android provide as USB storage a filesystem not from a physical disk?

I'm not sure how an Android device works when connected as USB storage to a PC. Perhaps, it's not a direct access to a physical disk, but rather the Android system "emulates" a FAT filesystem for the ...
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1answer
110 views

Images and videos not readable from SD

first time here and I'm in sort of despair! I recently purchased a 32GB (class 10) memory card for my Samsung Galaxy S2. All went fine, the card was recognized, I could write and read from it, both, ...
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2answers
38k views

How to prevent Android from creating LOST.DIR on SD card?

After the phone restarts, there is a LOST.DIR folder created on the external SD card. Is it possible not to create this folder if nothing is lost?
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1answer
85 views

What's the use of .tmfs folder on SD card?

What is the use of .tmfs folder on SD card? ps. there is only a file in it with Chinese filename ...
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0answers
2k views

Why can't I access the files on my SD card?

I have a Motorola Droid Bionic which I recently updated to Android 4.1.2. Since the update, I can no longer access any of the files on the 32GB micro SD card I installed in the phone. I can view all ...
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1answer
360 views

The /sdcard direcory and other directory conventions: how is the Android filesystem structured?

I am using the "adb shell" command to access either of an LG P690 (device A) or a Samsung Galaxy SIII (device B). Device A also has a 32GB microSD card plugged in while device B does not. When fromthe ...
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1answer
3k views

BusyBox `ln -s`: How do I create symlink to a directory on external SD-card?

How do I create symlink to a directory on external SD-card? Do I have to edit /etc/passwd and add user or root to the sdcard_r group--since, I see that the /storage/ location is owned by sdcard_r? Do ...
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2answers
70 views

selecting a chime in Caynax Hourly Chime

In Caynax Hourly Chime when I select chime option a dialog with a Search button appears. But while I have some sound file in my SD it do not show them. How can I choose chime file in this app?
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1answer
350 views

Unable to access the “mmcblk0p6” file, on Samsung S5300 Mini Pocket

I have rooted my Samsung S5300 Mini Pocket Galaxy, and I have entrie SDK installed on my Windows 7 laptop. Now via Command Prompt I am able to: adb shell $ su # <--- and get root access ...
2
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1answer
4k views

I'm seeing duplicated images and videos on Gallery

I'm facing a strange situation on my Nexus 4, with Android version 4.2.2. I've being using it for the past 2 months without any issues whatsoever (other than a "regular" battery performance), but ...
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0answers
56 views

How can I “Share To” a network folder from my photo gallery?

I have an HTC Thunderbolt running Ice Cream Sandwich If I open up my photo gallery and tap on a picture, the "Share" option appears. Clicking on this gives me some options, such as Facebook, ...
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0answers
5k views

USB file transfer only works when HTC One X is connected in internet pass-through mode

When I connect my HTC One X via USB to my PC, I can see my Android storage only when my phone is connected in internet pass-through mode. I set the mode by Settings > More > Mobile network ...
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1answer
11k views

Format memory card with NTFS

I have a Galaxy SIII and 32GB memory card. I want format the memory card with NTFS just to get rid of 4GB size per file restriction. How can I format the card with NTFS and even if I format it with ...
1
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1answer
4k views

Creating App and Swap partition for Android

I have got Karbonn A5+. I dont know how much ROM, RAM it exactly have. When I go to Settings > Applications > Manage Application it shows 191MB used, 11MB free. But, when I open Advanced Task Killer, ...
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4answers
3k views

download bigger than 4 gb file on android 4.0.4

How can I download files bigger than 4 GB on my Micromax A110 phone? FAT32 file system says that it does not support files larger than 4 GB. I know there is one more way to do that: EXFAT file ...
3
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1answer
4k views

Local files revisited: Opening local HTML files (file:///path/to/file) in Chrome on Android 4.x

There are other questions on this same topic, but I'm finding that on 4.0.4 with my HTC One, I can open file:/// URLs just fine with Firefox, but not with Chrome or the Android browser. Those two ...
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1answer
6k views

How to format /storage/sdcard0 in ext4

I tried to create a symbolic link on the "internal SD card" of my Galaxy SD2. It failed with "permission denied" and I quickly realized this file system is vfat. How can I reformat /storage/sdcard0 ...
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4answers
10k views

Files with names with unicode characters get corrupted in SD Card

When mounting my SD Card on my galaxy SIII files and folders in the card with characters that aren't in the ASCII range get corrupted. This happens by simply selecting 'Unmount card' in the Storage ...
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0answers
127 views

How to hyperlink to file in KingsoftOffice?

I have an Excel spreadsheet created in Windows and open in Kingsoft Office. I would like to be able to create a hyperlink to specific files on the tablet itself. For example, I want to be able to ...
2
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0answers
197 views

Persisting permissions on /mnt/shell after reboot

CWM Nandroid backups are being stored in /mnt/shell/emulated/clockworkmod I want to use DropSync (or something similar) to automatically upload the contents of this folder to Dropbox as a backup ...
0
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1answer
2k views

Is the external micro SD card path the same for all devices?

I am using a Samsung Tab 2. There is a path: /mnt/external_sdcard/myfile. Here, I can save, read, or write my file to the external micro SD card. I'm just wondering if this path is the same for all ...
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3answers
24k views

How do I get permission to create this file in an android shell?

I'm trying to root a Kindle and I'm stuck. Getting permission denied and don't know how or what permissions to change. mike@Inspiron:~/Downloads/android-sdk-linux/platform-tools$ adb shell ...
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0answers
46 views

Where is the music folder Android 2.3 [duplicate]

I have a file exploring program, but I can't find the folder with my google play music. I used google play to download music to my phone (not the SD). I would like to transfer the music to my SD, ...
9
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2answers
36k views

Check and fix SD card errors within Android itself?

Sometimes my SD card gets "corrupted" and this leads to many read/write errors. Usually, connecting the SD card to the windows 7 and selecting the "Error Checking" (Right click the drive > Tools > ...
3
votes
1answer
1k views

How to free up more storage (upgrading to 4.2 made me lose 6GB)?

So this morning, I bought a new game and it required a large file download. I went to download it and a message told me that I had 0mb of space remaining. This seemed odd to me because last time I ...
4
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2answers
358 views

Why are some files under /proc are universally readable?

Why are some files under /proc are universally readable by anyone using adb? e.g. /proc/<pid>/statm /proc/<pid>/maps /proc/<pid>/smaps We can even cat the content of these files, ...
0
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1answer
201 views

SD card full bricks Android 2.2: In fsckdelay end. Kill dosfsck, ret=-1

I downloaded this 80 MB ZIP file containing 27000 files to my SD card and unzipped it using this code. A no space left error occurred before all files could be extracted. I couldn't remove the ...
3
votes
2answers
2k views

How to clean up old application folders from prior ROM?

I installed CM10 on my GS2, and during the process I didn't format the file system as I wanted to retain my photos and music on the device. I was aware of an app called "SD Maid" that is supposed to ...
3
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3answers
25k views

How to view the files from /root/data folder?

I want to see the files from /root/data/data folder. Is there any application/trick which can do this?
9
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7answers
9k views

Sharing files between users in 4.2.1

I have a Google Nexus 7, unrooted, running stock 4.2.1. I have set it up for two user and we seems to be enjoying it. Recently I ran into an issue about sharing files. In User1's account I copied few ...
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0answers
447 views

Transfer a large file from PC to smartphone

I have a Samsung Galaxy S2, and a PC with Windows XP (I do not have WiFi). I want to transfer a 2.1 GB file from the computer to the phone. If I transfer the file as usual, I have the following error: ...
0
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2answers
2k views

can't find apps on sd card after root

I just took the plunge and rooted my HTC incredible 2 to ICS 4.0.4 with Psycho's CM 9.1. I am happy so far but I don't know how to retrieve the apps I have saved on my SD card. Prior to performing ...
7
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2answers
820 views

Best Practice for transferring images to an Android phone?

I switched from iOS to Android, and wish to transfer my pictures. Where on the filesystem should I put the pictures? I first thought /DCIM/camera, but that's the directory for pictures shot with the ...