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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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 ...
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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 ...
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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 ...
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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 ...
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"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 ...
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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 ...
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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 ...
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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 ...
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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 -...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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? ,...
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My pc cant read my phone
When I plugged in the first time from my mobile phone to my pc it asked how I would like to read the mobile phone I chose the charging only option, now my mobile phone has a broken screen and I wanted ...
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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. ...
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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 ...
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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 ...
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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....
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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 ...
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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 ...
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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 ...
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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,...
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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 ...
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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 ...
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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)
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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/...
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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 ...
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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) ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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"The Magic", that Magisk isn't supposed to do
I have magisk 24 which I futilely tried to downgrade using XDA's guide but did not succeed, which is the 2nd part of my Question . There is something v interesting I note ( not sure how long its ...
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Are the Android app switcher/multitasking snapshots created when an app is sent to the background, encrypted?
This post here: https://android.stackexchange.com/a/218963/364009
outlines the snapshots location for the app switcher when an app is sent to the background, /data/system_ce/userid/snapshots, or at ...
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Access Android/data on parental-restricted phone
I'm looking for a way to backup a Minecraft PE worlds on a phone that has parental-control enabled (best in an automated way).
The Minecraft on Android has the ability to save the worlds in the "...
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Is it safe to delete a .bin file on an Android 11 phone?
I keep getting .bin files that show zero data in them and others that pop up regularly. Is it safe to delete them? Do they contain any vital information. Are they remnants of sites I've visited using ...
user367043
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Where is hidden additional data of an app stored?
This question came to my mind when I installed Oxford Dictionary. It's strange that I couldn't see the additional files (audio, dictionary, and pictures) in an unrooted device. This app has a base app ...
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What is the /data/misc folder?
I recently ditched my phone's stock ROM for a lightweight custom one. After transferring my files over, reinstalling apps and reconfiguring settings, I wanted to perform a full backup of the phone's &...
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contents of data partition in android
does anyone know what all content is stored in /data or userdata partition in android-10.
I see a lot of directories in /data like app-staging, misc, system, vendor.
what information is stored in ...
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