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Questions tagged [file-system]

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

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Does Macrodroid search ALL embedded folders in a directory or only the master?

Does Macrodroid search ALL embedded folders in a directory or only the master? I followed Reddy Lutonadio's instructions on Auto-delete certain file extensions on my phone? My unwanted files were TXT ...
Cameron Starling's user avatar
1 vote
0 answers
78 views

Why if the application is installed in Incremental File System it is smaller than the apk file

When I install an application, in most cases it is smaller than the file downloaded from the play store, I checked these applications in /data/app and it turned out that all applications that use the ...
anonymous48901's user avatar
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0 answers
17 views

i've deleted a msgstore.db.crypt14 file recently and i need to recover it, i've tried many recover tools but they all failed, is there any method? [duplicate]

i tried many recovery software but they only recover some photos and videos or pdf files, is there an powerful recovery software that can recover database files ?, the file is 60MB and i deleted it ...
Abdo Shbrawi's user avatar
0 votes
0 answers
81 views

How to know if there are still hidden hidden files after revealing them without root?

I did write hidden twice on the title, that means, there were hidden files, and I managed to reveal all of them or perhaps some of them using Shizuku and FV File Manager and there might be hidden ...
user516076's user avatar
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0 answers
39 views

Where are the user/config files for the game "Ridiculous Fishing"?

Perhaps this question is too specific, but I am also interested in the more general question of where Android stores hidden/system files, especially user data that would be helpful to transfer to ...
JonathanDavidArndt's user avatar
2 votes
1 answer
89 views

`adb shell mv` moves files but app doesn't work anymore, while it works if I move the same files via file manager

I try to move account-related files/directories of an app (for account changing purposes) via adb shell mv. Moving the files works great, but the app hangs while loading/login. If I move the files ...
Frinch87's user avatar
1 vote
0 answers
685 views

How do I change the default folder for the Facebook app download location?

When I save a photo from the FB app, it gets saved to the Facebook folder $EXTERNAL_STORAGE/DCIM/Facebook/. I want to change this folder destination to my pictures folder $EXTERNAL_STORAGE/PICTURES/...
abennettitsi's user avatar
0 votes
1 answer
545 views

Pixel 7 Pro on Android 13 does not natively recognize exFAT-formatted 4tb Crucial X10 USBC SSD

Title says most of it. I have a Pixel 7 Pro and a Pixel Tablet. I just got a Crucial X10 4TB portable SSD, which advertises as compatible with Android. I have Solid Explorer installed, and when I plug ...
Chris's user avatar
  • 111
1 vote
0 answers
273 views

Shared folder on BlissOS 15 (Android 12L) based on 9p virtio in qemu

Using Qemu I managed to run BlissOS almost perfectly. For the record this is my script to install and launch BlissOS with Qemu (I use also an additional USB stick for storage to be able later on to ...
Nihsotas's user avatar
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72 views

Large number of music files copied from Windows to SD card cannot be seen by music player and looks gone after inserting it

I have a dedicated music player device (TempoTec V6) running a version of Android 8. I've about 120 GB of music files in MP3 and FLAC format (which the device supports). I'm baffled about how to get ...
Richard's user avatar
1 vote
0 answers
47 views

How to notify Android that MicroSD is mounted?

I manually mount MicroSD like this: nsenter -t 104 -m mount -t sdfat -o rw,gid=9997,noatime /dev/block/mmcblk0p4 /storage/extSD As a result, file managers can work with it. But Android still thinks ...
Сергей Евтухов's user avatar
1 vote
0 answers
69 views

"Issue with your SD Card" when copying files from Linux to memory card directly

Every time I copy some music and photos from my Linux computer to my phone, my phone says the SD card is corrupted. Here's more details: I formatted SD card from my phone. Ejected the SD card from ...
15 Volts's user avatar
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0 votes
1 answer
1k views

How to Find Where an App Is Installed? Find an App's Install Location [duplicate]

Usually, Android apps are installed in: Internal shared storage/Android/​data/​app/​com.example.MyApp/​ However, I've been looking for a while but can't find where CapCut (the video editing app) is ...
GTS Joe's user avatar
  • 111
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1 answer
40 views

Can I get back an image that displayed momentarily in the camera finder?

I had someone take a photo for me with my phone. I didn't verify the photo but I took the phone back and put it into sleep (pushed the power button to turn the screen off without switching off the ...
applesapples's user avatar
1 vote
1 answer
550 views

Building AOSP kernel with debug filesystem

As mentioned in android documention, Android 12 should not use debug filesystem in user mode. I want to build AOSP 12.1 for some device, but building in user mode results to error below: files are ...
a farahabadi's user avatar
1 vote
1 answer
136 views

Mount a MicroSD to all namespaces on Android 11

I'm trying to mount a MicroSD. As I understand it, this should be done in the global namespace. Root - Magisk. I tried: su --mm -c mount -t sdfat /dev/block/mmcblk0p1 /storage/0123-4567 nsenter -t 1 -...
Сергей Евтухов's user avatar
0 votes
1 answer
200 views

How to get file currently set as notification sound?

I just changed my phone - migrated everything and it works great. One thing that grinds my gear and that I cannot manage to work out is: how to get file currently set as notification sound on my first ...
ARKaM's user avatar
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2 votes
0 answers
619 views

Hyperlinks to files in the Android 10 file system

I seem to have tripped over a rarely attempted task in relation to links to files on the Android file system. There is one other question about this from 2013 and it was never answered (How to ...
theHeatingEngineer's user avatar
2 votes
0 answers
121 views

How to mount full image backup properly?

Did a full backup mmcblk0.img of a Redmi Note 7 (codename lavender) running Android 10. However, I'm not sure how exactly to mount it or view files. Worth noting that I was suffering from an ...
Yrevocer's user avatar
1 vote
0 answers
23 views

How to dig deep into mmcblk0? [duplicate]

I've got an old backup file: mmcblk0.img I'm wondering if there is any specific tool that can work with this file, as no standard partition tool has been able to view it. I think there's a chance it ...
Yrevocer's user avatar
2 votes
0 answers
412 views

How to create filesystem in TWRP? Getting error: Unable to recreate /data/media folder. E: Cannot decrypt adopted storage because /data will not mount

I tried to flash custom ROM on my Xiaomi Poco M2 Pro (gram) without putting too much thought and then something happened and now it's saying these on every recovery. Failed to mount '/data' (Invalid ...
Udoy's user avatar
  • 21
1 vote
1 answer
820 views

How to find exact file path to an external microSD card?

Is there a way to find out the path of files from a microSD card that is inserted into any Android phone? Related investigation: From here, How to specify the directory path on external memory card? ,...
plu's user avatar
  • 151
1 vote
1 answer
440 views

Back up/restore /data on a device with forced encryption and no TWRP support

Back in the days before forced encryption, I was able to back up my entire filesystem (or rather, the /data partition, including all non-system apps and app-private storage) using TWRP and restore it. ...
user149408's user avatar
1 vote
0 answers
91 views

Please explain this file in /sys class thermal

In /sys/class/thermal/thermal_zone0/type, it reads "pa". There are also other ones in other folders, like "ddr", "cpu-1-0" and "gpuss-0". What do they mean? Any ...
sudoer's user avatar
  • 149
0 votes
0 answers
2k views

Location of wallpaper and lock screen images on Android 13

I have two different images that I use for my wallpaper and my lock screen. These images are of my two oldest sons and have been used for wallpaper and lock screen for a long time. I just had another ...
AdamsK's user avatar
  • 1
0 votes
0 answers
169 views

Oneplus Nord file manager not able to open intent

On my Oneplus Nord I have multiple apps that aren't able to open a file manager to let me select files. There would be the Cryptomator app giving me the following error in their debug logs: android....
Cowboy_Patrick's user avatar
0 votes
0 answers
173 views

Is FBE + Metadata Encryption secure if pin/password not set

My device is based on Android 11 and does not have a security lock screen. By default it has FBE and Metadata encryption enabled. How secure this encryption is without setting the Pin/password. How is ...
Lavyansi's user avatar
3 votes
0 answers
183 views

How find large files with QDirStat on Android 11 with root?

I want to list all files in my phones /data volume using QDirStat, or something simular. On my phone, I've used DiskUsage (com.google.android.diskusage) before, but I find the visualization lacking. I ...
Tanja's user avatar
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1 vote
0 answers
158 views

Accessing Bug Reports and Termux storage in file explorer?

A lot of apps call Android's "Open file" dialog when they want the user to select any file on their phone - for example when attaching a file to an email, or when opening a file with an ...
NeatNit's user avatar
  • 173
1 vote
1 answer
947 views

Having confusion building erofs format system.img for Android

I try to edit an Android 11 system.img file that was extracted from super.img. Now I have an issue that is very confusing to me. First, I extracted system.img by this command (The file system is erofs,...
LouisWong's user avatar
1 vote
0 answers
75 views

How to secure files in SD card by using adoptable storage?

I asked this question before, and this is a follow-up. I am trying to encrypt my SD card for data security (I don't want some random guy to be able to access my photos/documents/downloads by just ...
CluelessNoob's user avatar
2 votes
0 answers
3k views

Where are my files in the Explorer when I move them in the Secure Folder [SAMSUNG]

When I connect my phone (Samsung) to my computer, I see an image in DCIM\Screenshots. When I enable Secure Folder and move the image there, the image disappears in Windows Explorer. When I look at the ...
Goethe's user avatar
  • 21
0 votes
1 answer
366 views

What type of data is excluded from the "media only" file permission in Android 12?

Starting from Android 11, there are 2 levels of file access permission, i.e., "files, media, and everything" permission and "media only" permission. What is the difference between ...
raptorAcrylyc's user avatar
1 vote
0 answers
177 views

Is it possible to proot into an Android rootfs?

Where can i download an android rootfs? I was wondering will it be possible to use Android on Linux using (proot)
sudoer's user avatar
  • 149
0 votes
0 answers
340 views

How to use file picker from command line

I would like to launch a file picker from a script to graphically select file. While I am able to launch a file picker by sending intent am start -a android.intent.action.OPEN_DOCUMENT -d /storage/...
Real Tadpole's user avatar
0 votes
1 answer
90 views

Get file from our app on a customer's device

I work for a company that developed an Android app, but since then the guys that wrote it have left. I am a beginner when it comes to Android development. We have a situation where our customer has ...
Walter Williams's user avatar
1 vote
0 answers
307 views

Local HTML file links cannot be followed [duplicate]

Background: I use my tablet for Geocaching, specifically to have cache listings available in the field. For this purpose, I have a program called Geocaching Swiss Army Knife (also known as GSAK) ...
Davidw's user avatar
  • 111
3 votes
0 answers
4k views

How to mount network drive so it's accessible by other apps file picker?

I have a handful of apps that have file pickers, but they only show me what is in /storage/emulated/0 (also shown on my phone as "Internal Storage") and below. I want to mount a NAS so that ...
Taako's user avatar
  • 131
1 vote
1 answer
62 views

Micro SD cards work on phone with Android 8 but corrupted in phone with Android 11?

I have two SanDisk micro SD cards, a 8GB one for storing my photos and files in a Sony Xperia XA1, which runs Android 8.0 as the OS, the other one is a 128GB used in a Sony Xperia L3 phone, running ...
GreenPenguin's user avatar
1 vote
1 answer
567 views

Avoid re-downloading files with Termux in its own downloads folder

I have some files for which I don't have any app to open them with, but whenever I try to open them, instead of the "try looking in the Play Store for an app to open your file" dialog, I get ...
Kai Vinter's user avatar
0 votes
0 answers
637 views

Cannot Mount userdata partition on Android 11

I have pulled a block of encrypted userdata partition ".img" and trying to mount it on unecnrypted device (same device with encryption set to off). My device is rooted. My userdata is ...
Lavyansi's user avatar
2 votes
1 answer
954 views

Exploring options for customizing SeLinux policy ( SePolicy to enable bind-mounting ) , including kernel recompilation

As I realized selinux for Android is more than tad bit different creature than what I can get done on Linux . I need SeLinux policy to be modified so I can bind mount my folders. Unless that happens ...
Jason Reeves's user avatar
1 vote
1 answer
72 views

MicroSD card works fine on Mac and digital camera but Android phone wants to format it

I have two identical 64 gig microSD cards I bought three weeks ago. They both work fine in my Canon IXUS camera and they both work fine in my year-old M1 MacBook Air. But only one works in my new ...
hippietrail's user avatar
1 vote
0 answers
22 views

Some music metadata/tags dissapeared after copying to micro sd

I tried copying my large music library from my internal storage to my external micro sd card, only to find 50% of my album art went missing, some artist and album info is gone, while the songs ...
FirePower's user avatar
1 vote
1 answer
684 views

Can I rename the external storage mount point on Android10 with root access

System: rooted Samsung Galaxy S10 with Android10 I have replaced my old external sdcard (128GB) with a new and bigger one (512GB). The old card was automaticly mounted to /storage/6639-3031. The new ...
Kleajmp's user avatar
  • 253
0 votes
2 answers
353 views

How can I write in a HDD on windows that I can read later on a Nokia Streaming Box 8000 (android TV)

I just bought a Nokia Android TV with a super nice USB A 3.0 port (that was the main reason to choose it) where I want to plug my external 2.5' 2TB hdd with all my movies and music and such. BUT, when ...
Nhano's user avatar
  • 103
0 votes
0 answers
349 views

Is there a folder for local unix sockets under Android?

On a normal linux installation the right path for local sockets is /run as described in the FSH. But this folder does not exist under Android. I have checked both an old and a new device. There is the ...
zomega's user avatar
  • 106
1 vote
1 answer
413 views

File attributes on Android (Linux): Any way to make a file fully writable but not deleteable?

I tried chattr with the +a (+i is even more restrictive), but it immediately caused app panic aka "app has stopped". What I want to do is make a file & folder undeletable. You can ...
user1874594's user avatar
1 vote
1 answer
80 views

Why does the use of symlinks in /system gradually erode available space?

I am working on a routine for swapping dictionaries on an e-reader (Nook Simple Touch--Android 2.1). I've got the shell commands nailed down and have constructed an app using Tasker. It all works ...
nmyshkin's user avatar
2 votes
1 answer
467 views

Access my application files of an old App

I have this old-ish Android app running on my Pixel4 w/Android12 phone, the app was last updated on 2018 and it clearly uses old API or whatever and the built-in backup functions are obsolete. It ...
totalZero's user avatar
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