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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keepass2android file locations

I've been using keepass2android for a while. I try to store my files in dropbox so I can access across multiple devices. I have noticed that somehow I have some copies of my mypasswords.kdbx file ...
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How can we avoid folders auto-creation?

There's a way to manage these system folders? I am struggling with some folders that are automatically created at boot, by system on the SD card, but I don't want them! The folders are especially the ...
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Android 11 “raw/:storage/…” file paths

Hello Android community! I am trying to recreate a way of putting a file on my emulator in a location, so that when picked it produces the following uri: "raw/:storage/..." My challenge ...
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Can I access “/data/user/0/” folder in Android emulator from Ubuntu PC?

I am using Ubuntu 18.04. From Android Studio with the following code I am getting file directory Context ctx = getApplicationContext(); final File filesDir = ctx.getFilesDir(); which is /data/user/0/...
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How can I dump the fscrypt per-file nonce by getfattr command?

According to document of kernel about fscrypt: Filesystem-level encryption (fscrypt): Per-file encryption keys Since each master key can protect many files, it is necessary to “tweak” the encryption ...
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How to mount sdcard as “internal” using custom filesystem on Android 10 (root access only via adb)

How can I properly mount my SD card as "internal" (i.e. so that all apps are on it) using a custom filesystem (in my case Ext4, but I'd like to use full-disk encryption using a key that I ...
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47 views

When performing an adb pull of an entire device, why do I see /proc/self/root in pathnames repetitively?

When performing adb pull / on a non-rooted device, I see hundreds of items with pathnames that begin with /proc/self/root/proc/self/root/proc/self/root/proc/self/root/proc/self/root/proc/self/root/...
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On a non-rooted device, can adb access any files that an Android file manager cannot?

An Android app I was relying on did not save its data. I'm hoping that perhaps the data is located in a cache or temporary file. The device is not rooted (and is running Android 7.0), and I've ...
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What are the files in the phoneypot directory?

I am running LineageOS 17.1 Lavender. Can anyone tell me the purpose of the files located in the /phoneypot directory in my Android device?
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Deleting Hardware files leads sometimes to brick the phone

I started recently to look up for a way to permanently disable my wifi, bluetooth, NFS, Network and GPS. Unfortunately I didnt find a proper method to do that. There was the option to physically break ...
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Android du and df very different: File System Corrupted?

On an Android Nougat (7.1.1) set top box, du and df of my /data partition are very different: $ adb shell du -sh /data 1.0G /data $ adb shell df -H /data Filesystem Size Used Avail Use% ...
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my device got a ROM flash by the seller prior to my purchase?

I bought a Galaxy Tab S6 a few days ago and I am going to verify if it is really brand-new. Some facts: The production date of this device is in July 2020 and my purchase date is in February 2021. ...
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How may I modify my root filesystem, which is mounted from /dev/block/dm-0, in order to create a mount point or symlink at /usr, on Android 11?

I need a writable /usr directory to run Gentoo Prefix. I suppose that it can be either a symlink to somewhere else or a mount point for further mounting. Information collected so far: Since Android ...
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How to solve problem in APK Tools

I'm trying to decompile an apk with the apk tools and I'm not getting it. When I run apktool -d myapp.apk it displays this error to me: Exception in thread "main" brut.androlib....
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How to handle hidden files and folders (which begin with a period/dot) when backing up Android to a Windows NTFS volume?

Over on Superuser, I asked about whether or not it's okay to have filenames and/or folder names that begin with a period (dot) on a Windows NTFS volume. The immediate response I received was to avoid ...
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How to delete file completely?

It's not a duplicate, because this question isn't about shredding files that already deleted, it's about deleting them in the first place in a way that recovery software wouldn't find it. I delete ...
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How to expand system partition? [Xiaomi Mi 9]

How to expand system partition? I'd need at least ~600MB more for OpenGapps package I'd like. Many thanks in advance! Here's log from parted cepheus:/ # parted /dev/block/sde GNU Parted 3.2 Using /dev/...
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Viewing files on Android phone from computer, only showing DCIM and Pictures folders, in internal shared storage

I have phones running Android.. When I connect either one to my computer, and click "internal shared storage", I only see DCIM and Pictures.. But if I go to any decent file manager app on ...
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Which filesystem should I use on my USB stick to have interoperability with Android and Windows?

I wish to use a USB stick with both my Android device and my Windows 10 PC. My requirements are: No file size limitation No root required on the Android device The filesystem should be natively ...
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1answer
52 views

Android 11 supports creation time (crtime/btime) for local folders and files?

is there a way on Android 11 (OnePlus 8T) for file manager to display creation time for local folders and files? Is there in recent years the support? Because have an iOS 14 device and use macOS 10.15 ...
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Connect Synology NAS to samsung android phone trough sftp with samsungandroid “My Files” app

There is a "DS File" Synology app to browse your Synology NAS via your Android phone, but the app is really laggy etc. On Samsung phones there is the "My File" app, a file browser ...
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263 views

Is it reliable to save some app files in /storage/emulated/0/?

I already read that /sdcard/ is a symlink to the actual path of /storage/emulated/0/. I'm an Android app developer using Apache Cordova, wherein cordova.file.externalRootDirectory is indeed file:///...
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148 views

How to run e2fsck on Android, can't get “adb shell” with unmounted partitions? [duplicate]

I can access the Huawei P9 on Win10 with adb, and shell into it, but that is with the phone booted into OS. I want to run a filesystem scan (e2fsck), but need un-mounted partitions for that. I read a ...
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Cant' mount loop device

After I format the loop.img (formatted as ext4) I can mount it no problem. But when I'm trying to remount loop.img from external sdcard to /data/data/com.termux/home/ubuntu20-fs/ always throw invalid ...
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File system of Android 10 running devices

I have a samsung A30 cellphone that runs Android 10 and I basically need to recover my deleted files. In order to do that, I need to know the filesystem because forensic tools require such information....
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How to use a different file chooser app in Android?

When using many different Android apps, a file chooser is displayed to allow the user to select a file to process. For example, in the Privacy Browser web browser, visiting the VirusTotal website and ...
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How to clear the Android file chooser history?

When using many different Android apps, a native file chooser is displayed to allow the user to select a file to process. For example, in the well-regarded Privacy Browser web browser, visiting the ...
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1answer
111 views

Any way to transfer file >4GB from PC to android tablet?

I'm trying to get a very large file (97 GB-Wikipedia for Kiwix) from my PC onto a Micro SD card in my Android 10/Go edition tablet. The problem is that the tablet doesn't seem to recognize an Exfat ...
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39 views

Media players are showing duplicate files after moving them

So today I moved the entire 'Download'(which contains music and asmr I downloaded from YT with those mp3 sites) file from my phone storage, to my SD card. Then I went to my music player app and it ...
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Images and Videos not loading after transfer from 'Internal Storage' to 'SD Card'

So I moved my files from Internal Storage to SD Card. But after that I found the files having errors in loading both on my file manager and my gallery. I have tried deleting the .nomedia but it still ...
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Apps/explorer associated to “select file” app dialogs

Some apps(A) need to select a file, and they show a dialog to chose a file explorer(B), and from this file explorer you can select the file and automatically you should go back to the main app. ...
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How do I create a new route table on rooted Android?

On Linux I can type something like echo 202 my_table >> /etc/iproute2/rt_tables and voila, I can use my_table in commands like ip route add 1.1.1.1 dev eth0 table my_table. But my rooted Android ...
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706 views

How to access “Work Profile” files via USB on my PC

I've got an Android "Work Profile" on my phone, kind of setup as explained here. It's trivial to access normal Android files. Plug a USB cable into my phone and PC, select "File ...
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Is it possible to use dd command to re-write the entire /system partition

Phone: Mediatek Symphony V32(root privilleged) My /system partition is messed up, I accidently deleted some system apps, and also some bin files. Although it's functioning properly, I pretty much want ...
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Moved music files now music player not detecting any of them (not like other music missing problems )

I have music files in my storage and i added 2 new songs by an app the app downloaded them but not in my music file in a new music file that is called downloads it has all music and apks and other ...
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615 views

Any way to force change an Android device screenshot folder location / destination?

Is there any way to force an Android device to change it's screenshots file folder / destination location? Like ADB command or something? Something that is native and permanent? Something that isn't ...
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207 views

How to get UNC path of folder on phone?

When I plug my [Android 9] phone into my [Windows 10] PC, it appears in the Windows filesystem within This PC and has a (virtual) folder within it called Internal shared storage, with various folders ...
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562 views

How to find the creation date and time (aka timestamp) for a file or folder in Android?

In Android, it is simple to view the modified date and for any file or folder. Just about any decent file manager (such as Solid Explorer) includes this functionality. But how do you view the ...
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How can I get photos and videos to directly save in system folder? (phone is rooted)

I integrated the SD card with phone memory to get more storage. Well, stupid decision. Now something went wrong and only the system folder can be seen. Nothing anywhere else. Thus, I can't save ...
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192 views

Mount Samsung S10 file system to Windows 10

Is it not possible to mount and browse the file system with Samsung Galaxy S10 if I connect it to Windows 10? With Galaxy S8 it was possible and I could easily traverse the file system of the phone to ...
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159 views

Android lock screen bug after system files deleted

I accidentally deleted some system files ( I was on adb connection) . And lock screen stopped working right after. The issue is that, I have a lock pin/pattern/password, but system says, it's not ...
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Use or Access Large NTFS Cluster Sizes ( eg 2048 kb / 2049 kb / 2M or 2MB ) in an Android (or Linux) OS?

I have a external media storage drive where I (believe that I) have formatted the partitions as 2048 kb (or 2,048 kb for any Googlers searching) cluster sizes and there are a couple of smaller ...
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2answers
993 views

Android can't view local content after OS upgrade

After upgrading to Android 10, I am not able to use the Files app to view local files on my phone. If I run Files and view the Downloads folder, for example, it merely says "Can't load content at ...
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Exfat misbehaviour on SD card

I got a new 512Gb SD card for my Samsung Galaxy J7 Crown and started experiencing problems when attempting to load my music folder onto it. Unmounting the card and inserting into a Win 10 computer, ...
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How much of the Android filesystem is visible over MTP?

When I plug in my Android device to my computer it gets connected as a media device under MTP mode. I can browse a bit of the folders on my device via my computer. I'm wondering how much of the device ...
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716 views

How to share files across multiple user in Android 10

I am implementing a app in which I am creating one file using openFileOutput API in Android. The file is saved to /data/data/com.xx.xx/files/ Now when I am switching to secondary user(multi user) I ...
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How to make a text file read-only in a non-rooted device? [duplicate]

I wanted to make a file read-only (440)in internal storage but it shows "failed",as it seemingly requires root permission but I can't unlock bootloader as of now so is there any means we can do the ...
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1k views

How do I backup my website homescreen shortcuts?

I have many websites which I constantly access thru my phone, but they aren't bookmarked on Google, they're just added to my homescreen as a web shortcut. Of course Windows is something else ...
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What are .xlog files and what can they be used for?

Im cleaning the storage on my S10+ and I noticed in the WeChat folder (Tencent) there are a bunch of .xlog files totalling nearly 3gb of space. I know the controversies of using WeChat but I rarely ...
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253 views

Is there a way to change the type of file system format an android device can read?

I am trying to write files larger than 4GB to an SDCard. The problem is that the andorid device I have can only read Fat32 file system formats in an external SDCard. What I tried: I thought that, if ...

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