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

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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) Android\data\com.htc.album....
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266 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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225 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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5k 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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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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95 views

When an app is moved to an external microSD card, to where is it moved? [duplicate]

In Android KitKat on many devices, it is simple to move an app to an external microSD card. It's as simple as Settings -> Apps -> [Select the app] -> Move to SD card. For apps whose manifest allows ...
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153 views

remount /mnt as read-write

I am getting error "Read-only filesystem" when trying to add a new directory in /mnt via Terminal Emulator. So, I tried : su busybox mount -o remount,rw /mnt in order to remount filesystem for /mnt ...
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178 views

Can I write to my device's root filesystem? Will my changes persist across reboots?

When I open up a terminal emulator and run the mount command, it indicates that my Android device's root filesystem (/) is of filesystem type rootfs. What is rootfs? Can I write to it? Will my changes ...
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664 views

What is the content of data/misc/wifi/softap.conf?

I was going through a question about how to find a saved password in a rooted phone and while doing this I found a file in data/misc/wifi/softap.conf. What is the content of this file?
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950 views

Is it safe to rename, delete or disable system/bin/mediaserver?

mediaserver is constantly running in the background eating up CPU. I don't care at this point if I don't get to use the gallery app and I'm fed up with having to reboot every time I hop out of my car....
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1k 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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294 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 ...
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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 ...
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1answer
63 views

File size in different devices [closed]

I'm working on an Android app which downloads new-updated resources from a remote server whose platform isn't specified yet. The app compares the size of the pre-downloaded local file and the remote ...
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1answer
850 views

Missing 2.2 GB of space on my micro SD card

I pulled my micro SD card out of my phone (LG G3) and inserted it into my PC (Kubuntu 14.04). I was in the process of moving several large video files off of the SD card onto my computer. Moving these ...
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2answers
163 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 ...
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1answer
250 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 ...
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67 views

How can I place a text file on my homescreen for editing?

I would like to place a textfile from my SD-card todo.txt on my home screen so I can click on it to edit the content and when I close it only that file would be saved. Ideally there would be a git ...
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1answer
87 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 ...
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1answer
7k views

Why does Android use fuse for internal SD card mount? [closed]

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 ...
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1answer
477 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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865 views

Can I delete Zinio pdf files?

There are password protected page1.pdf, page2.pdf, etc... under mnt/sdcard/com.zinio.mobile.android.reader/9380198313/123123231/32123213 etc... Can I delete them?
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169 views

How to resize the /data F2FS partition

I've wiped all partitions from my Motorola XT1040 with the TWRP recovery, and installed Cyanogen 13 on it. Then I run into problems when trying to enable Encryption. The phone just restarts and ...
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33 views

Photos / Files / Media permission

I've seen a lot of apps that have media / files permission access requested when installing from Play Store. Does that mean they can go at my personal photos and send it back to themselves? Sorry if ...
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1k views

/system cannot be remounted as RW, even when rooted (Sony Xperia E3)

I rooted my Sony Xperia E3 (D2203) a while ago using Kingroot, which worked flawlessly. Before rooting my device, /system could be accessed, which is how root was installed in the first place. ...
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347 views

Moving /storage/sdcard0 from NAND to a removable MicroSD card: will it break anything?

Background information I own a Samsung Galaxy S Relay 4G running Android 4.1.2. It comes with 8 GB of built-in NAND flash, which is almost full by now. Luckily, it also has a MicroSD card slot. My ...
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1answer
56 views

Can I access the filesystem of an android device?

I have an android device that doesn't start because it tries to activate carrier's network. Its out-of-contact CDMA mobile which was ported to another carrier. I accidently did a reset and after that ...
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1answer
684 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: ...
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1answer
137 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
217 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 ...
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2answers
4k views

How to turn off the camera shutter sound on LG G2 mini?

Where is located the camera shutter sound file on LG G2 mini (Android 4.4.2)? Or how else to turn that annoying sound off? None of the solutions recommended in similar questions here does work. The ...
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1answer
831 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
260 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 /storage/emulated/0)...
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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
1k 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 ...
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1answer
600 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 ...
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1answer
3k 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 ...
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1answer
436 views

Make iso of sdcard + data directory

I need to be able to make an iso file of the /mnt/sdcard and /data/ directories on both rooted and nonrooted phones(for forensic analysis). Older phones I can mount to my linux machine and run mkisofs ...
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1answer
6k views

No files accessible after upgrade to CM10

I understand that Cyanogenmod 10 is still in early access, but I installed a cm-10-20120910-NIGHTLY-i9100 build to my Samsung Galaxy S 2 anyways. I had a stock 4.0.4 before. I heard that this problem ...
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1answer
2k views

How to control the file system on Android from Win7 file explorer?

I haven't found any good solution for managing files on my Galaxy S2 from Win7. I've tested Kies and some other software but I'd like to be able to move files, create directories etc. through file ...
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1answer
4k views

Can open an HTML file with Browser but not HTMLViewer

I have an HTML file on my SD card. Opening it with "Browser" works as expected. However, if I try to open it with the built-in app "HTMLViewer", I receive the following error message: Web page ...
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1answer
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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1answer
29 views

Android locked MicroSD card (all files read-only)

I own a Wiko Rainbow with Android 4.2.2. Out of the blue my MicroSD card got locked and I can neither create nor delete any files on my phone (such as photos). At first, I did not even understand why, ...
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102 views

I can't remount /system as rw. I get an error message: mount: Read-only file system

I'm using a rooted Huawei G7 and i'm trying to install BusyBox, but I keep getting an error. I'm 100% sure this error is because there is some weird write protection on /system. I know this because ...
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how to restore mount points

i have a bricked device , after 20 hours of flashing and searching , i found that my device lost some mount points here is the the mount points of my device and here is the mount points of a ...
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How do Android Communicate with Storage or External Storage?

I Wants to know that how the android os is communicating with the storage devices, as because I have two USB Devices from same vendor (ScanDisk) and of equal size (8 GB) and having same File System (...
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1answer
73 views

Why is Android 5 corrupting my SD card (moving files to LOST.DIR or losing them)?

I've been using VFAT formatted SD cards for years to transfer files between devices (tablets, cameras, GPS, computers) under different OS (Linux, Windows, Symbian, Android) without, as I recall, any ...
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Can't remove remaining facebook files

so I have 2 remaining .cnt files in /data/data/com.facebook.katana/cache/image/v2.ols100.1/44 and /data/data/com.facebook.katana/cache/image/v2.ols100.1/45 The thing is that they can't be removed in ...
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35 views

linux kernel not seen from android filesystem?

I'm reading 'embedded linux' and in chp.6 "filesystems" there is a figure that I do not understand. here it says that the 'linux kernel' is not seen from android filesystem. This give me some ...
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151 views

alternatives to add NTFS support to Android kernel

I would like to enjoy of NTFS support for my Android device. The USB-OTG Helper app and also this patch - sdcardfs.ko couldn't help with that. With regard the patch sdcardfs.ko, I have done all the ...