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

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18
votes
3answers
90k views

Where on the file system are SMS messages stored?

Where in the file system are SMS messages stored? I'm using ES File Explorer to browse around but can't seem to find this - is it on the phone or the SD, and where? I have an HTC Wildfire but I ...
14
votes
4answers
20k views

What's the Android equivalent of /etc/fstab?

Sometimes I really wish they hadn't messed around with Linux so much! I know there's an /etc/fstab in there somewhere, but where? I'd like to mount some partitions with alternative filesystems ...
13
votes
1answer
22k views

Why did /sdcard/ turn into /sdcard/0/ with 4.2?

I've never seen this before so I'm assuming that it happened when I upgraded to 4.2: I'm fairly certain that /sdcard/ used to take me straight to my sdcard, but now when I go to that path (in CWM ...
10
votes
6answers
6k views

Access Android device's file system over Bluetooth or Wi-Fi

I'm looking for a way to access the file system of an Android device (Nexus S) wirelessly, as its USB port has become unfit for anything but charging. Ideally, I'd like the same functionality as ...
9
votes
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 > ...
9
votes
2answers
3k views

Which files/folders on my SDCard are unsafe to delete manually?

I've had my Droid for nearly a year now, and in the process of installing and uninstalling apps, moving data to and from my SDCard, and all the various things one does with a phone the SDCard has ...
9
votes
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 ...
8
votes
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 ...
7
votes
3answers
4k views

How to delete a specific file in Android so that it can't be recovered?

From my experience a file deleted from a computer filesystem can often be recovered unless it is overwritten with a special program (that's usually called "shredding"). Is an Android-based HTC ...
7
votes
2answers
17k views

What is the location of attachments that I download from the Gmail app?

I can't find where the files are saved after I download them from an email message. I'd be glad if you could direct me to the location.
7
votes
1answer
2k views

Filesystem hierarchy, that defines the directory structure and directory contents of Android?

I have searched, but haven't yet been able to find, an authoritative documentation of the filesystem hierarchy of the Android OS. Can someone tell me whether this exists at all and if so, where?
7
votes
2answers
822 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 ...
7
votes
1answer
479 views

How to create a shortcut to a text file

I have a text file somewhere on the SD card. How can I create a shortcut to this file on the "desktop" to open it immediately? (HTC Wildfire)
7
votes
0answers
2k views

Disable USB charging

For some reasons not related to the battery life, I need to disable the battery charging when a USB host is connected to my phone (a rooted Nexus 4). Taking a look around on the internet (link1, ...
6
votes
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?
6
votes
1answer
405 views

why “ls -al” does not show file size info in /dev/socket directory?

In /dev/socket directory, if runs "ls -al" in adb, there is no file size information. I would like to know why there is no such information, in the condition that in other directories can show file ...
6
votes
3answers
2k views

Is there a way to mount a Windows shared drive so I can access those files on my phone?

I have a shared network drive full of files I want to access from my phone over wifi. Is there a easy way to mount it on my phone? I have a rooted Motorola Milestone.
6
votes
1answer
2k views

Is it safe to manually delete the contents of the .Trash-1000 folder on my SDCard?

Can anyone please provide an explanation (or a good resource) of how the folder /mnt/sdcard/.Trash-1000 functions and whether or not it was safe to manually delete its contents? Based on the name and ...
6
votes
3answers
2k views

Where does the 'set as wallpaper' feature save your picture in Gingerbread (2.3)?

I had an image from a website which I set as my background inside the browser. I am wondering now where I can find the image in the file system, because I can't find it online anymore. I already ...
5
votes
2answers
2k views

How to find the pathname of the swap partition on SD card?

As this warns, you should not enable swap on the wrong partition or you can destroy your phone: OK before we go any further! previous phones had a partition layout where mmcblck0 was the SDcard ...
5
votes
2answers
13k views

What exactly is framework-res.apk

As far as I understand it, it is a big system file that apparently controls a big part of the phone. I am interested because I wanted to do some themeing and so far I had edited SystemUI.apk, but if I ...
5
votes
1answer
2k views

Is there a maximum number of files per directory or maximum directory size?

Recently I made a directory with > 20,000 small mp3 files in it. Not all the files successfully copied across from my desktop computer and if I tried to add any more I received an error message ...
5
votes
1answer
4k views

How do I undelete or recover deleted files on Android? [duplicate]

Possible Duplicate: How can I recover a deleted file on Android? Is there a way to recover deleted files on Android phones without using standard USB storage recovery tools?
5
votes
1answer
7k views

Will Android read any other non-FAT file-system on SD card?

I use Sound Juicer to rip all of my music. I have a lot of songs that published in a different language, and moreover that use different characters. I find the native file system doesn't support much ...
5
votes
1answer
3k views

How to browse file:/// URLs on my Android device?

I have some extensive documentation in HTML format that I want to carry around with me. On my old Gingerbread phone, I was able to save the entire "site" onto the phone's sd card and browse it with ...
5
votes
1answer
2k views

Where does Runkeeper keep its data files?

I was recording my path with Runkeeper for hours until the battery ran out. Now when I try to "Resend" the path to Runkeeper online it fails after a while. I need to find the path file so I can ...
4
votes
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, ...
4
votes
1answer
4k views

Why can I not assign exec permissions to a file on the SD card?

shell@android:/sdcard/SW # ls -l -rw-rw-r-- root sdcard_rw 128 2012-09-22 11:42 usb0config.sh shell@android:/sdcard/SW # chmod 777 usb0config.sh ...
4
votes
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 "/".
4
votes
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?
4
votes
1answer
1k views

Android limited to 1 hour video recording?

At the moment, I am using the standard video recording app for video recording. I have found that the recording automatically stops after just 1 hour. Is this a deliberate limitation placed on the ...
4
votes
2answers
5k views

How to check filesystem (/sdcard) for errors?

I would like to check my /sdcard, and possibly other internal partitions as well, for errors on the file system level. I am wondering how this could be accomplished. I am using a Samsung Galaxy ...
4
votes
2answers
547 views

Is it possible to reorganize the SD card? Because it is a mess in there

One of the things I hate about Android is the folder organization. Each app creates its own folder, usually in the root of the SD card. When I'm trying to find something, I have to search it through ...
4
votes
2answers
7k views

How can I view the Android internal partition table?

I've rooted my device, put it in recovery mode, and have linked it to PC by adb shell. How can I view the list of storage devices and partitions? Note: fdisk doesn't work.
4
votes
2answers
5k views

Reason SD cards come FAT formated instead of Fat32?

I found my SD card to be FAT formated instead of a modern filesystem (at least fat32). This comes with the disadvantage of large allocation unit size (32kb) whilst most of the files are less than ...
4
votes
3answers
15k views

Where can I find the OTA update file?

I'm trying to locate the zip file that contains the OTA update for my Droid Bionic. Right now, its failing to update, and every time it fails it deletes the file and I need to re-download it (takes a ...
4
votes
2answers
1k views

Path where Firefox Mobile Addons store their data?

I've installed Firefox Mobile on my Asus eee transformer and installed the scriptish add-on for using some userscripts. Some of them require editing. The problem is I don't know which path contains ...
4
votes
1answer
2k views

Media on external sd card can be browsed but not seen by other apps (including settings>storage). Not part of the .nomedia file fiasco!

As the title says, if I fire up a file browser I can access all the files on the sd-card without a problem. I can even view the pictures with the gallery and the music app plays my music files ...
3
votes
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 ...
3
votes
1answer
2k views

Does Android have a 2.1GB file size limit?

I have tried many voice recording type applications and the best I have found only allows me to do a recording upto a maximum file size of 2.1GB. I can do many of these 2.1GB recordings as I have a ...
3
votes
4answers
3k views

Why do I get “not enough space” when I copy an APK file to /system/app?

I recently rooted my HTC Desire Bravo because I needed read/write access to /system/app in order to be able to copy an APK file there. I wrote here on stackexchange on the best solution to root the ...
3
votes
2answers
1k views

Why are there 2 folders SDCard and SDCard2 on a ViewSonic GTablet?

I see that there's a folder named sdcard and another named sdcard2 on a ViewSonic GTablet. If I put the SD card in my PC, the sdcard2 folder is recognized by the PC. If I connect the tablet to the ...
3
votes
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?
3
votes
1answer
864 views

SD card directory is “split” on new phone

I moved from a Samsung Mesmerize (Galaxy S, Android 2.2) to a Motorola Electrify (Android 2.3) and the Electrify is reading my SD card differently. My old data is now stored in /mnt/sdcard-ext instead ...
3
votes
1answer
210 views

Is it possible to list all files on SD card created by a certain application?

I would like to see which files on my SD card a certain application has written. How would I go about doing it? I don't know how writing files from an application works in Android. But maybe these ...
3
votes
3answers
5k views

Can't access my old files after switching ROM from AOKP to CM, even though they're still there

Initially I thought this was a problem with Google Play / Apollo, but I realize now that when I plug in my phone via USB, I can't see any of the many, many folders and files present on /sdcard that I ...
3
votes
2answers
955 views

Cannot make changes to specific folder

My phone is rooted with aokp build 38 on it. It is a Verizon Galaxy Nexus (toro) There is a folder /sdcard/data that I can't make any changes to. Some of my apps are trying to use this folder but are ...
3
votes
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?
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 ...
3
votes
1answer
15k views

why is my file system suddenly read only?

Some background: My HTC Desire HD has several issues. The first issue being that I can not connect to it using a USB cable. So I found that I can tell ADB to work over wifi and I was using this ...