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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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Android file/document picker not working properly

I have a device on Android 13. The file picker seems inconsistent when picking/selecting files from Android storage. From the 1st screenshot, the file picker has the option to browse for files from ...
xavier_fakerat's user avatar
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0 answers
32 views

Is `mv` in adb shell limited in moving a directory?

I enter a shell on Android by sudo adb shell Now I want to move a directory (of files) in Android into another, but why does it fail $ mv english/ ../mydata/ ...
Tim's user avatar
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-1 votes
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42 views

Will Windows' File-Explorer show me all files that I would otherwise be able to see on the device?

Using Android 7.0 on a Huawei T3 Mediapad ("KOB-L09" model-number). I want to connect my Android device to my PC using a USB-lead so that I can examine all the folders and files on that ...
william's user avatar
0 votes
0 answers
60 views

The subfolder under the Download folder is missing

Use the android file manager,Open the menu on the left,On the right side of the Download folder. After I clicked the unload button, the file was still there and all the subfolders were gone. Path: /...
needaw i's user avatar
0 votes
0 answers
32 views

How can I change system file values?

I had the original battery on my Redmi K20 Pro for like 5 years. The battery degraded quite a bit so I disconnected the original battery from the bms and attached an external battery on the back of my ...
Md Golam Robbani Rohan's user avatar
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0 answers
32 views

How to refer to a local file on an Android phone (Moto G8 Powerlite Android 10)

I want to use Excel on my phone to enable me to click on any one of a list of tunes, and the intro to the tune is played. I have the intros recorded and stored in storage/emulated/0/EasyVoiceRecorder/ ...
JanHoward's user avatar
2 votes
0 answers
40 views

Modified vs Changed

I just upgraded from an Android 10 phone to an Android 14 phone. In both phones, I noticed that for folder/files, there are two properties: "Modified" and "Changed" It seems that &...
eng3's user avatar
  • 121
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31 views

Bootloop due to permission denied error with custom product EROFS partition

I am trying to build a custom product partition from the stock ROM of my device and have gotten it to boot the kernel with the correct mkfs.erofs and lpmake settings, as below: mkfs.erofs product.img -...
surrealcereal's user avatar
1 vote
0 answers
23 views

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
85 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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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
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176 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
47 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
125 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
1k 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
744 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
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1 vote
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356 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
0 votes
0 answers
80 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
49 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
87 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
  • 161
0 votes
1 answer
2k 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
0 votes
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
668 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
161 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
238 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
  • 1
2 votes
0 answers
845 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
132 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
24 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
556 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
1k 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
  • 181
1 vote
1 answer
537 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
101 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
  • 159
0 votes
0 answers
3k 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
  • 101
0 votes
0 answers
203 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
191 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
198 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
  • 31
2 votes
0 answers
178 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
  • 183
1 vote
1 answer
1k 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
84 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
386 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
186 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
  • 159
0 votes
0 answers
385 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
91 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
326 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
65 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
643 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
694 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
1k 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

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