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

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Corrupt Internal Storage File System

I am using an original RAZR that is partitioned using Safestrap running stock 4.1 on one partition and CM10.1 on the other. My problem is the internal storage (internal SD card I believe) partition ...
8
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1answer
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How to access /storage/emulated/0/ from PC?

I want to export the settings of the K9 mail app. This app exports a settings file to /storage/emulated/0/com.fsck.k9/settings-4.k9s. But if I connect my Nexus 4 to my PC I cannot see such a file or ...
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1answer
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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 ...
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Backup app (Clash of Clans) data from the system partition; monitor app write activities

Yes, I know I can backup my village via google+; yes, I've tried that before; no, it didn't work for me the several times I did it and I don't want to do that again. I've also used the Titanium Backup ...
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61 views

Does Android support the EXT (filesystem) for removable storage cards?

As the subject indicates, does Android support any of the Extended File Systems ("ext", "ext2", "ext3" and "ext4") for removable storage cards (such as Micro SDXC storage cards)? Android is a ...
2
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1answer
43 views

Shred an internal or system partition

There are quite a few apps that lets a user delete the media or data partitions so it won't be recoverable - by re-writing "junk" data over and over again on the free storage space. Still, is there ...
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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 ...
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How (where) do I browse to the /data/Tombstones (on the System Partition, I think)?

Trying to delete some files from my System partition. Someone suggested deleting /data/Tombstones (I.e., what's the Path to it so I can browse to it) Using Astro File manager I navigated from the ...
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2answers
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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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9answers
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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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25 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 ...
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3answers
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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 ...
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2answers
53k 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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2answers
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Can't remount /system in rw

I try desesperately to push an app with adb on the /system/app folder (to install the PlayStore on my low cost tablet). So i tried to remount the /system partition with root rights : mount -o ...
7
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1answer
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Android Folder Hierarchy

On Android's root (/), what is the purpose of each folder? I want to learn the folder hierarchy structure. I would like to know the differences between Android 2.3 and 4.x, if they have different ...
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27 views

How to free more space from the /system partition

I'm trying to run Debian on Android 5.1 / nexus 10 following this tutorial : http://whiteboard.ping.se/Android/Debian at a certain point,I give these commands : root@manta:/data/local/tmp # mount ...
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Where Google drive shared link file stored?

I have opened a google drive sharing link of a zip file from browser with google drive app on android. there was a notification "Opening in drive". But after that again it asked for opening with ES ...
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1answer
49 views

Unable to delete a file in /data/data with root permissions

I own a Moto G which is in 5.0.2 with KK bootloader. An app created a folder in /data/data which sustains in the memory even after uninstallation of the app. I couldn't remove the folder in any way. ...
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27 views

Issues while eMMC partitioned using sfdisk in am335x based custom board

I know this is not Android related question but as mobiles/tables are using eMMC, developers might know solution ot this problem, I am writing firmware(MLO,u-boot.img, uImage(ver 3.12), dtb, ...
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5answers
8k 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, ...
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38 views

ext2 partition on embedded storage

I need a non-journaling filesystem partition on my main storage. I've never done any partitioning, and android's limited unix kernel is making it extra hard. Can anyone please guide me on how to ...
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0answers
150 views

Best Filesystem on SD Card

I have a Galaxy S5 with Android 5 and got a new 64 GB SD card. What is the best file system for the SD card? FAT32 is not an option because I want files >4GB. Which file system offers the best ...
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3answers
39 views

How to find out which file system is used by my device?

How do I find out which file system is used by my device's /system, /data and other partitions?
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5answers
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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 > ...
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81 views

With the stock Gallery app, how can I open an arbitrary image file by specifying its filesystem path?

I would like to know whether it is possible to open an arbitrary image file with the stock Gallery app (as distributed with the Samsung Galaxy SIII) by navigating the filesystem and drilling down the ...
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Should I switch to F2FS?

I've heard a lot of hype about Samsung's filesystem named Flash-Friendly File System (or F2FS for short). I've heard about cases where the device apparently worked faster after switching to this ...
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38 views

Edited build.prop of HCl me sync 1.0

I recently rooted my HCl me sync 1.0(u3) and changed the build.prop to download some unsupported app. But when I rebooted the tab it stuck in a bootloop(with the screen orientation changed). I have a ...
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1answer
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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.
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227 views

How to “mount --bind” directories in Android 4.4?

I am just wondering is there a way to bind an internal /sdcard folder to another internal /sdcard folder and normal apps can write into it for Android versions since 4.4? I have a folder named ...
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46 views

System App - Extra privileges, Read Only file system permission

I would like to read wpa_supplicant.conf file on android system that stores saved wifi network details along with credentials. The file is available and as a super user on a rooted device i can read ...
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40 views

Unable to find files copied from pc to internal storage

I have copied files (around 2GB) to my android phone's internal storage from my friend's pc. But I'm unable to find those files either by using file manager(root) or from my pc. When I checked my ...
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3answers
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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 ...
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Need help with system file vold.fstab

i have a proscan plt233g and i have a backup vold.fstab i just need help replacing the the file any way i can do this? I allready tried andriod commander but it cant detect my device.
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2answers
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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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4answers
10k 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 ...
4
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3answers
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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.
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1answer
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How can I restore a deleted file that I should not have deleted?

I used titanium backup to delete something I shouldn't have deleted and than I factory reseted my phone and now I can't log in with my Google accounts ,can anybody please tell me what I have got to ...
0
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1answer
56 views

How can I determine the block size of the filesystem on my Android?

I'm creating a bunch of flash cards for use with AnkiDroid and many of them contain images or sound files. I would like to find a balance between image/audio file size, and clarity, without wasting a ...
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How do I make /sdcard link point to external SD Card on Android 4.4.2?

I've got a Samsung GT-I9505 phone with Google Edition Rom installed. As my phone comes with 16Gb internal storage, I bought a 32Gb microSD. However, the phone still uses emulated SD card to store all ...
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The files on the external SD card are just shown for a few seconds after mounting

I have a Samsung Galaxy Note 2, with an external SD card of 64 GB. Since few weeks ago, I can just see and open the files stored on this external SD card for about 30 seconds, when I mount the card. ...
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1answer
91 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 ...
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52 views

chown system:system * at /

Accidentally executed this command in / in recovery. In X-Plore most of subfolders of / disappeared. Tried to fix using fix permissions. Haven't helped.Then tried to fix using chown root:root and ...
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2answers
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What file system for sdcard for KitKat

I have been searching the web and this website for information about the file systems supported by Android. I have not found anything though. Since KitKat (Android 4.4), some changes have been ...
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27 views

cannot delete file with strange character

I am using JellyBean 4.1.2. There is a directory with a file that is with stange character. I use many app to delete it but did not success. And I use shell to look at it. When I issue ls command. it ...
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34 views

Where in the filesystem are settings saved? Namely ADB backup password

Where in the phone filesystem are settings saved? I've lost my ADB backup password and simply want to delete it. If it affects other settings that won't matter too much. I will be interfacing the ...
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My Files is running very slow

When I open up My Files and select All Files the phone is processing for multiple minutes until i can do anything. It says Verwerken... in dutch (Processing). Once done after a moment it does the ...
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2answers
4k views

Which filesystem do Android use?

I know that android uses FAT32 for SD cards and mounts them via FUSE. But which FS is on / ? Some kind of ext? zfs?
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1answer
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File permission os SD card (FAT32)

Android uses FUSE for sd cards. Does FUSE support file permissions for SD card? If no - how do I install some apps on SD card? Cause there is no suuport for symlinks, execution permission etc.
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1answer
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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
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How do the various tools to convert a system image to f2fs work?

Recently I've been trying to install a f2fs compatible rom to my old and slow nexus7. I got as far as flashing a new recovery image and reformatting the device partitions to the new file system, but ...