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

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3
votes
1answer
469 views

How apps write data into file-system on non-rooted device?

User Apps and Data are stored in /data/app and /data/data respectively. But we can't (even) see that without root permission. So, I want to know If device is non-rooted then How user Apps are ...
0
votes
2answers
23 views

Missing 20 Gigabyte of Free Space

I've recently noticed that my Galaxy Note 3 32GB model ran out of storage. My Samsung File Explorer App says that I've got about 3GB of storage left of 32GB. My problem now is that I can't figure out ...
0
votes
0answers
10 views

Which filesystems with wear leveling does Android support?

So I bought 64gb micro SD card which was formatted as exFAT. I can't use it with Android and I am actually very happy now that I have a good reason to get rid of this ms crap. In particular I do not ...
0
votes
1answer
103 views

How to boot an .iso file in PC using Android device?

Device: Redmi 1S (Hongmi 1S) Android: MIUI v5 (Android Jellybean v4.3) I have a Bitdefender rescue disk .iso file. I want to boot this rescue disk using an Android phone, just like a bootable USB ...
0
votes
1answer
1k views

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 ...
0
votes
2answers
1k views

Galaxy S4's LCD broken. How do I access hidden folders in the storage using computer?

I recently broke my screen entirely so the touch function and LCD do not work at all on my Samsung Galaxy S4. I managed to plug in a keyboard to my phone to input my pass-code in order to unlock the ...
2
votes
1answer
80 views

Where does Lollipop stores notification policy?

Unlike its predecessor Android versions which saves notification policy in the file /data/system/notification_policy.xml (the file which saves the package name of apps you've selected to stop giving ...
1
vote
2answers
11k views

Where to put supersu zip file while rooting HTC One M8

I'm following the instructions at http://htc-one.wonderhowto.com/how-to/unlock-bootloader-root-your-htc-one-m8-0154444/ and have found a stage where I don't have enough information, which is at Step 9 ...
0
votes
0answers
82 views

Move app using file manage or force installation onto SD card?

First off: I haven't been able to root my phone. It's a ZTE Speed (N9130) on Android 4.4.4. I have gone through every rooting method available with the exception of guides that require special cables. ...
0
votes
1answer
2k views

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 ...
5
votes
4answers
18k 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.
8
votes
4answers
6k 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 ...
1
vote
0answers
17 views

What is the real used space on data partition of my phone?

When selecting data partition on my phone (HTC One M8), TWRP says it's going to back up 5448 Mb. But 'df' command says there are 8319 Mb used from 10934 total. And ES Explorer displays the size of ...
23
votes
6answers
103k 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 > ...
0
votes
0answers
15 views

change the filesystem mounted when plugged in to USB

Is there a way to change the mount location when plugging a device into USB? I want to move it to root directory. I am rooted. Please note that I want no setup done on the pc I.e. Do not give methods ...
1
vote
0answers
464 views

“.walkfree” folder automatically created in SD card, and APKs downloaded into it without any notification

In my SD card a folder is created on its own named .walkfree by an unknown source, and in that it automatically downloads .apk files showing no notification of being downloaded, and if deleted, a new ...
1
vote
0answers
159 views

Where are the lollipop OTA system upgrade files stored?

Android devices automatically download OTA system update files and store them on your device until you install them. Then you get a notification that the file has been downloaded. I do not want to ...
0
votes
1answer
35 views

Access Android System Partition from Linux

What is the best way to access the Android system partition via USB of any device with Linux (not rooted device) Need to change some files in the system folders...
-1
votes
0answers
32 views

Access Android System Partition from Windows

Need offline access to change some files in system partition... What is the best way to access the Android system partition via USB of any device with Windows (not rooted device)
0
votes
2answers
60 views

How to prevent extra folders from being created in my external SD card?

I have an HTC desire 820s running on Kitkat 4.4.4. I have set phone storage as my default write disk in Settings. However, when I open ES file explorer, I always find that many folders named like ...
0
votes
0answers
41 views

When should fstrim run?

Based on this cyanogenmod forum thread, I tried to address the delay in running applications and switching between applications on my Galaxy Nexus running cyanogenmod with Android 4.4.4 by running ...
7
votes
2answers
55k 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
4answers
13k 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 ...
2
votes
0answers
79 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
votes
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 ...
0
votes
0answers
48 views

Android external uSD mount omap configurations

My issue is that my android OS is not recognizing my uSD slot as a mountable drive. I am working with a custom piece of hardware that is a carrier board for an SOM. The version of android is ...
2
votes
1answer
40 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
votes
0answers
44 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 ...
1
vote
1answer
73 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 ...
0
votes
1answer
159 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?
0
votes
1answer
54 views

how do I browse to files on my external sdcard when the phone is connected using MTP?

I have connected my phone to my computer (Win7) using MTP. I can browse to the H:\ drive and see things like music,amazonmp3, alogcat and so on. But when I use my phone's file manager to try and find ...
0
votes
1answer
123 views

Uninstall programs that are not visible in Application manager

I have an Asus Nexus 7 that is full of games that take up all 29 GB of memory. The kids installed these games, and they are not visible in the Application Manager. Perhaps they were installed in a ...
9
votes
1answer
28k views

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 ...
0
votes
1answer
58 views

Filesytem on Android

I'm totally confused regarding Android file system and its relation to SD card. While browsing my Asus Nexus 7 (2013) with file manager Astro from very root catalog I found directory sdcard. But ...
2
votes
1answer
98 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 ...
0
votes
0answers
89 views

How to pull every file on the target device

My rooted device (production build) has been remounted successfully with: adb remount When I try to chmod -R 777 / it says : Unable to chmod /: Read-only file system The goal behind this ...
14
votes
6answers
13k 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 ...
-1
votes
1answer
191 views

Notification “not enough system space” appears when using Internet in Vivo Y15

When I surf the internet in my Vivo Y15 I see a notification "not enough system space". I cleaned the cache and system trash in my phone, but the notification still appears. How do I resolve this ...
0
votes
2answers
77 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 ...
11
votes
2answers
54k views

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 ...
1
vote
1answer
282 views

Filesystem format used for SD Card by Galaxy S3

When I remove the SD Card that was formatted by my Galaxy S3 from it and put it in a MacBook, fdisk shows its sole partition as having partition ID 0C, indicating that it is a Fat32 LBA partition. ...
1
vote
1answer
130 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: ...
0
votes
0answers
60 views

Nexus 5 bootloops when trying to use F2FS

I'm using a Nexus 5, with the Resurrection Remix v5.4.7 ROM. The default file system is ext4. I tried to change file system to F2FS, but it goes to infinite boot loop. I read somewhere that this ROM ...
7
votes
2answers
124 views

How does antivirus find the files accessed by an application without root access?

I haven't rooted my mobile phone, but an antivirus is running. Without rooting, how will the antivirus come to know about the files accessed by an application? Normally, in Linux distributions, it ...
5
votes
3answers
27k views

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
votes
1answer
381 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 ...
0
votes
1answer
155 views

Help I accidentally removed the Media Scanner

A couple of hours ago I was cleaning out unnecessary apps on my phone (LG G3) using 3C Toolbox when I must have accidentally removed the app responsible for scanning my media. The Gallery & Music ...
2
votes
1answer
808 views

How toolbox symlinks work

On my Android emulator, the /system/bin folder contains several symlinks that point to the toolbox binary: # ls -l /system/bin ls -l /system/bin [SNIP] lrwxr-xr-x root shell ...
2
votes
0answers
156 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 ...
0
votes
2answers
2k views

Unable to adb push on Samsung S4

I absolutely can't push to /system/app/ using adb on a rooted S4 with rw remounted filesystem. adb says: Read-only file system Mounts: /dev/block/platform/msm_sdcc.1/by-name/system /system ext4 ...