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

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1answer
474 views

SD Card partition named differently on different devices - breaks music player

I have recently moved from a Droid 2 to Droid 3, both running Android 2.3. The same SD card registers as "sdcard" on the D2, and "sdcard ext" on D3. Probably for this reason, I am having problems with ...
2
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1answer
743 views

Is there a way to view the file size of an image without downloading any apps?

Got a new phone (Nexus S) and having some issues with picture messaging. I want to check the size of the picture I took with the camera, but I can't seem to do this. As I don't have a data plan yet, ...
2
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2answers
3k views

Android 2.2 - External SD card not working - says “Blank External SD card” — Why?

OS: Android 2.2 Device: Samsung Galaxy S All of a sudden my external SD card has stopped working. Error Notification: > Blank External SD card > > SD card blank or has unsupported file ...
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0answers
64 views

File copied to /system/bin keeps disappearing

After copying Sqlite3 to by /system/bin folder, the file disappears. I can successfully change the folder to rw and modify the file properties on sqlite3. However, as soon as I remount my /system as ...
2
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1answer
32 views

Is it possible to restrict an app's permissions to a specific folder(s) (and subfolders)?

When installing an app, depending on the app, access to the filesystem is required and requested at the time of install. Is it possible to restrict this to specific folders(s) and their subfolders? ...
2
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0answers
38 views

What are these small 8-4-4-4-12 hexdigits-named files in root dir?

(Post edited to add more info.) My Android phone contains, in the lowest user-accessible directories of both phone storage and SD card, several small files named xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx ...
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0answers
99 views

/storage/emulated/legacy is read only :(

For some reason, no apps on my phone (including adb, after running su) can modify any files in any subdirectory of /storage. I also can't use my file manager on my computer to edit, create, or delete ...
2
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0answers
68 views

Select file from Downloads to upload via web form

I'm on a Samsung Galaxy S3 and want to upload a file from my Downloads folder to a website using a form on that web page. But when I click the button to browse for a file to upload, I can only select ...
2
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1answer
181 views

Recover files of an App

My phone is a Motorola MOTO G (first generation). Due to some troubles, I had recovered the factory settings of my phone. But I forget to backup some data of an app (Tricount). A this point my phone ...
2
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1answer
4k views

XT1064 - 5.0.1 - Rooted - Issues with writing to /sdcard

I just rooted my Moto G 2014 XT1064 running 5.0.1. I used this article to do the root process: http://maktechblog.com/how-to-unlock-the-bootloader-and-root-the-motorola-moto-g-2nd-gen/#Root Which ...
2
votes
1answer
246 views

Self replicating worm in sd card

I have a Samsung Galaxy Grand with a 16gb micro-sd card. For some inexplicable reason, I am losing data on the sd card. Folder names are being changed to start with the character "μ." For example, ...
2
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0answers
177 views

File transfer with multiple users

On a rooted Nexus 7 (2013), I have set up a second user. When I plug the usb cable to my mac, I can see all the files for the main user (using the Android File Transfer app from Google). However, ...
2
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0answers
367 views

“Low on space” message, but nothing appears full

GalaxyS (SGH-I897), running Android 4.0.4 Short problem description I keep getting "Low on Space: Phone storage space is getting low" error in my notifications bar, but neither the SD card nor the ...
2
votes
1answer
595 views

Samsung Galaxy S4 play edition and exFat

Does the Play version of the Galaxy s4 include support for exFat in the sdcard reader? Or is exFat support one of the extras that Samsung adds to the device (presumably since they made the licencing ...
2
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0answers
153 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 ...
2
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0answers
88 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, ...
2
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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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0answers
340 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 ...
2
votes
1answer
263 views

Why is one folder on my Samsung Galaxy SII not being properly showed on PC?

There is one folder on my device (not in the microSD card) with mp3 files that used to work perfectly but suddenly started to cause a malfunction when I try to open it on a PC. It is said to have no ...
2
votes
0answers
717 views

Any way to use another name for the external_sdcard folder?

On my Android tablet, the SD Card is shown as an external_sdcard folder, no matter how I rename the card. Personally I don't like the auto-assigned folder name. Is there a way to use a different ...
1
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2answers
5k views

Viewing File System through a Windows Laptop

I have a HTC Desire X running Android 4.0.4 (not rooted). When I connect my phone to my Win7 Laptop, from my laptop, this is the filesystem I see LOST.DIR (Empty) ...
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4answers
966 views

Why is there so many identical Android folders?

I was using the ES File Explorer app, when I noticed there's many different folders with all the same content. Like, there's a "legacy" folder, a "0" folder, and an "sdcard" folder, and it all goes to ...
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2answers
183 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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2answers
9k views

How to manage Android's filesystem from a Mac?

Is there some way that I can explore, and possibly modify, my Android's file system from my Mac? IOW, I would like to use my desktop Mac as the interface to access and modify my phone's filesystem, ...
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1answer
4k views

Terminal “Permission Denied” - Need more info on error message

I am trying to run an executable from the android terminal with root permissions, but I am constantly receiving the following error: [ExecutableName] : permission denied I am confirmed to be loged ...
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2answers
3k views

Is there any userspace NFS client for stock android kernel(Galaxy Tab)?

I have tried kernel-mode things but it is not going to work. Actually i've reached my limit for seeing errors in one day: mount: unknown filesystem type 'nfs' mount.nfs: No such device and many ...
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1answer
59 views

Where I can find factory home screen layout file?

Where I can find factory home screen layout file? I would like modify default layout which will persist after I will make a hard reset. Best Edit device: Lenovo A6000, kitkat 4.4.4 rom: orignal ...
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1answer
164 views

Where is the Home folder?

On my linux system I have a directory in /home where all my personal files and local program configurations are stored. Where does Android store that type of file?
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1answer
211 views

Where should I save images to have them appear in the Gallery app?

Running KitKat, I want to extract a zip file with photos and place them in a folder where the Gallery app will find them. I'm using Android File Manager and Easy Unrar Lite to move files around and ...
1
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2answers
1k views

How do I grant su rights to the File Manager app?

I'm digging around trying to find a Angry Birds save files but File Manager is lying about what's in each folder. How can I give that app su rights? Can I launch it from the command line after typing ...
1
vote
1answer
1k views

Create flash-friendly file system on microSD card (not FAT32)

Yesterday I noticed that I destroyed my just a couple of months old 32GB large microSD card. I wasn't even able to create a new file system on it or change the partition table, so it became completely ...
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2answers
100 views

Where do I store my files such that they can be found?

I'm trying to install an app from an apk file, and I've moved it to my phone via USB; however, I cannot locate it. What would be an easy location to which I could move the apk file such that it would ...
1
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1answer
162 views

Is Android FAT / FAT32 implementation power failure resilient?

Does the android FAT/32 implementation handle sudden battery removal? I know that Symbian's 'Rugged FAT' (efat32.fsy) and Microsoft's T-Fat implement this, but I've not been able to find any ...
1
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1answer
2k views

What are `storage/emulated`, `mnt/sdcard`, `storage/sdcard`?

There have been questions about the old sdcard turning into sdcard0, which I understand to be part of the multiuser feature. What I don't understand is the 3 paths in the questions. Some of them look ...
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1answer
75 views

What does deleting a file really do? [closed]

When I run an app, select a file, and choose "delete" what happens then: the file is moved to trash (and later is removed by OS when some conditions are met) the file is removed from the filesystem ...
1
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1answer
4k views

Why does Android use fuse for internal SD card mount?

The android ICS or later version(JB) use /data/media directory for internal SD card, and use fuse for mounting the emulator internal sd card device (/dev/fuse). As we know if we use fuse, the files ...
1
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1answer
324 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
664 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
70 views

ES file explorer, how can I get the complete folder path?

Sometimes ES file explorer will open directly into a folder, for example if I download a file, it will ask if I want to open the files containing folder. I select yes and then get something like this: ...
1
vote
1answer
122 views

Replaced /system/bin/toolbox. How to I revert that?

I renamed the original /system/bin/toolbox" to "toolbox_alt". I replaced the file /system/bin/toolbox with a file that was supposed to work, but doesn't work at all. My filemanagers and the most ...
1
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1answer
85 views

40GB of thumbnails in a 16GB device [duplicate]

I just found that my /sdcard/DCIM/.thumbnails folder grew to more than 40GB. Two .thumbdata3 files each large 20GB. My Galaxy S3 has only 16GB of internal storage. These files prevent me from backing ...
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1answer
108 views

Read/write application data on android

I want to view data of a specific application and ideally modify the data and upload it back. I know the application data files are implicitly protected to prevent malicious application stealing ...
1
vote
1answer
2k views

Create a dd image of a Android 4.4.4 for forensics?

I'm a little new to the Android file system, I'm doing a project for a digital forensics class and I want to create a bit-for-bit image of my Nexus 5 running 4.4.4 stock, rooted. The normal way I ...
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vote
1answer
470 views

Android /d folder

On all of my devices there's a folder called /d on two of my devices it's full of folders, on the other it's empty. What is the /d folder? What is it for? And why is it empty on one device?
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1answer
640 views

File deleting problems after Android v4.4.2 upgrade? [duplicate]

Phone: Samsung Galaxy S3 Carrier: AT&T (US) Upgrade Path: v4.2 to v4.4.2 Is anyone else noticing SD card file deleting issues after the upgrade to Android v4.4.2? I use CoolReader to view ...
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1answer
149 views

execute permissions on fuse/fat filesystem

I've successfully cross-compiled Ruby for Android and everything goes ok in the emulator. But while I'm testing these funny things on my device (Nexus4) I noticed that /sdcard (or ...
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2answers
3k views

Restore deleted system

I have formatted the system using twrp now I can't flash the stock rom on my galaxy s3 sprint. I am getting the file_getprop: failed to stat "system/build.prop" status 7 every time I try to flash the ...
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1answer
452 views

Where to place .mp4 files in Nexus 7?

I have connected my Nexus 7 to my Macbook, and I am using the app Android File Transfer. I want to place an .mp4 movie, but I am not sure where to place it. I have tried placing it in the Movies ...
1
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1answer
329 views

Where is the temp file of recorder in Android?

Galaxy Note2 4.3 Samsung firmware. Recording for 1 hour with the highest quality, accidentally pressed "back" button, nothing saved. Usually the file would be saved automatically even if "back" is ...
1
vote
1answer
2k views

Where to find IP address in file system (e.g. proc or sys)

Is there a way to get the IP (v4) address of an interface in the file system of Android? I know I could use ifconfig or netcfg but I would like to use a monitoring tool which can only access files and ...