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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1answer
919 views

Delete file with special characters from un-rooted device

How can I delete a file with special characters from an un-rooted Android device? I used a web site to download a YouTube video to my mobile phone. The video name contained special characters (...
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99 views

copying files from pc to android denied with error message unsupported file type

so I bought an android phone (moto g6 plus with android 8) and I want to restore some files which I backed up from my older phone (moto g 1st gen). I connect the phone to my PC (Windows) via a USB ...
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1answer
1k views

Difference between /mnt/sdcard and /sdcard

I'm in the beginning of Android kernel study and I'm looking at every directory in rooted Android. I realized that the same directories were in those two: /mnt/sdcard and /sdcard. What's the ...
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83 views

File system error when writing

I recently encountered a problem using Threema on LineageOS 15.1: I noticed that whenever I want to download a picture posted by someone else in a conversation, I get the message "Could not download ...
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1answer
32 views

Open file on tablet from smartphone

How do I view the files on my tablet from my phone? Do I have to connect wirelessly? I am working on a translation and would like to see the original on one tablet and the file I'm working on on the ...
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59 views

Where does Google's Allo store (private) messages and media?

I suppose that messages and media sent and received in incognito mode are encrypted but they have to be stored or at least cached somewhere on the device as long as the timer, if any, has not finished....
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440 views

How does “Recycle master recycle bin” app recovering deleted files ? [closed]

There are many apps that recovers deleted data(images, video, PDF) i.e Disk digger , Dumpster e.t.c and these apps also ask for root , but here i want to know the process/methodology of simple ...
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1answer
1k views

Why do write attempts to /system/priv-app cause /system to switch to read-only?

I'm trying to write files to the /system/priv-app directory. I boot into recovery (TWRP) and run adb shell. ~ # mount /system ~ # mount rootfs on / type rootfs (rw,seclabel) ... /dev/block/mmcblkXXXX ...
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65 views

Linux automount corrupts ext4 partitions of Android install?

I've been experimenting with dual-boot between Linux and Android on an x86 device which came with Android + Windows preinstalled (Chuwi Hi10 Pro). I soon found out that simply booting Ubuntu (either ...
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1answer
519 views

How to delete SuperSu and changes it made

I inherited a Moto G3 which I unlocked and installed TWRP and a custom ROM. I foolishly attempted to install SuperSu. It supposedly changes some system files. Now I want it off the phone. In any ...
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79 views

is there a common symlink in android multi-users, access use's `root directory` ?

On test tablet. There are two users: /storage/emulated/0/AAA --onwer /storage/emulated/10/AAA --nomal user My attempt: adb shell "ls -l /storage/emulated/legacy/AAA" file dot exist. --failed ...
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1answer
364 views

android oreo , /system, /data and /sdcard for media

I am in need of a new mobile and the new kid on the block is Android 8.0 . From what little I could garner it seems there are three partitions by default which happen in an android phone. I come from ...
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1answer
600 views

How to access the full file system in Android 7 and higher?

I am running Android Nougat x86.But in Android Nougat, one of the adverse changes is the inability to even view the files. They are invisible, apparently even to root app. I already tried root ...
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1answer
1k views

Accessing music on samba share

I'm in the process of putting a large amount of music ~1.5TB (in many folders) into a samba share on ubuntu. I'm wondering what a good application to stream this to android would be, currently I can ...
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1answer
384 views

Recover hidden pictures from my system

I am currently using Calculator Vault to hide my photos and would like to recover all my photos. But my system does not want to start since this morning. I have the password with which I lock it. ...
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1answer
68 views

DD fails beyond 2GB seek

When I try to use dd to flash images I see some issues when the seek value exceeds 2GB.(i.e. bs * seek >= 2GB). dd bs=512 count=8 if=sample.img of=/dev/block/mmcblk0 seek=4194304 dd: /dev/block/...
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1answer
5k views

Can't create new folders on SD card?

I'm using Lenovo A7000 with Lollipop and I can't create new folders on SD Card. Attempt to create folder on SD card always end with error, however, android phone is not going to tell me what error it ...
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1answer
283 views

Weird folder keeps appearing in the internal memory

I have a Redmi Note 3 Pro handset (2 years old) in which I am using AOSP Custom ROM (Android 8.1). For last 1 year, a weird empty folder is getting created randomly on my internal memory. I generally ...
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2answers
86 views

Unable to mount /data after multiple wiped

Everytime I try to flash anything from TWRP it says "E: unable to mount /data". I have tried multiple wipes and entirely reflashing the os but everytime i finish setting up the phone after wiping it, ...
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1answer
7k views

Dual Messenger - Where are files stored (e.g., WhatsApp)

I had a working WhatsApp (say, WhatsApp W1 in phone PC) in my Samsung J7 Prime, Android 7, recovered with the usual Backup to/Restore from Google Drive, from phone A (PA). I meant to install a Dual ...
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45 views

Browse entire file system in “browse” dialog box?

I am trying to use KeePassDroid and when I select the browse button for the keyfile section it shows this screen: As you can see, it's only limited to "Recent, Images, Videos, Audio, Downloads". My ...
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1answer
1k views

Access Android SD from Windows 7 via card reader

I want to backup my sd-card, before using it in my new phone. So I used a card reader to connect it to my Windows 7 notebook. Sadly the partition is not mounted to a drive letter, altough I can see it ...
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708 views

Mount encrypted emulated avd userdata-qemu.img.qcow2

I'm trying to make a backup of my AVD. To speed things up, I like to make incremental backups. Backing up the *.img.qcow2 file(s) is inefficient. I'd like to be able to mount the filesystem that ...
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73 views

Share as file on filesystem?

Various apps have a "share" functionality which opens up several providers of media/means to share some piece of content (e.g. send over WhatsApp and many others). Is it possible to have a "sharing ...
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1answer
567 views

Filesystem for sdcard to store large file and apps access

I am running android oreo 8.1 (custom ROM) on Xiaomi Redmi Note 3 Pro. I have a 64GB memory card in which I want to store large files of size 15GB, 20GB etc. So I can't use FAT32 filesystem. I ...
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1k views

Open local file from Excel Cell in Android

In Android, I wish to open a local file from a Hyperlink in Excel. XLSX file and the linked image are in the same directory folder. I've tried the following: =HYPERLINK("cat.jpg", "Cat") =HYPERLINK("...
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1answer
3k views

still a mystery . thumbdata3 file space & performance hog

I just don't know how to fix this issue. I have tried almost everything and give up. I have read other threads on what to do if there is .thumbdata3 file that occupies a lot of space. my file ...
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1answer
57 views

What Kind Programming Language Used in File on /system/xbin?

i was explore file in xbin folder, then i found that the file is have strange language like this : ELF( 4�Q4 (444 TTT�>�>�M�]�],�LNL^L^hhh88Q�tdpH1H11��R�td�M�]�],,/system/bin/linker ...
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1answer
178 views

Getting the Europa notification tone off my old phone

I'm moving from a Nexus 5X to a shiny new OnePlus 5T. I like my old Europa notification tone, but it's not on my new phone, and I couldn't find a way to find the file on my old phone without rooting ...
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0answers
42 views

Android doesn't delete folders completely

Redmi 3s, MIUI 9.2 MultiROM Stable. I had some music on SD card in Music folder, then I deleted it (using Poweramp or file explorer, same for both). Tried to send music from PC using Foobar2000 ...
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158 views

What file system for Asus Zenfone 2 on CentOS 6.9?

I'm trying to mount my Android Asus Zenfone 2 on CentOS 6.9. I created a folder in /mnt/android as the mounting point. I edited the /etc/fstab file in the following way because somewhere in some ...
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1answer
648 views

How can one create a file shortcut inside the Android file system?

I don't want to create a file shortcut on the desktop, I want to create a shortcut inside the Pictures folder to the DCIM folder. My mom is able to handle tech stuff, she used to work for HP. But she'...
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1answer
549 views

Link2SD | 1st partition not working / not showing / not detected

My problem is, that I can't see the 1st. partition in the storage informations. Hardware: Sony Android mobile phone (don't know exactly the model; is my girlfriends) Android 4.2.2 Samsung PRO Plus ...
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2answers
297 views

Shortcut to a specific folder using the “My Files” file manager

I have a non-rooted Samsung Galaxy A3 with Android 5. I have an app icon on the desktop for "My Files" app, but how is it possible to create a shortcut for SD card\books\ on the desktop?
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1answer
3k views

Is it possible to have a media folder inside a .nomedia folder?

I have a folder with various folders and subfolders where I don't want my content to be scanned. Inside that folder I have put a .nomedia file to prevent media scanning. Now, I have a single folder (...
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1answer
383 views

basic android file system

I have a samsung galaxy 8, new to android from iphone 7. Since this system is new to me I wanted to get a rundown on the internal/sd storage files, where system files are stored, how to find apps and ...
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547 views

Files not visible on MTP mount, but visible in adb shell

To offload some media files from my phone, I connected it to my (Linux) PC through USB, and set it to file transfer mode (MTP) so that the internal storage gets mounted. I see many files, which I can ...
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1answer
49 views

What is debug? I want to know maybe my device has virus?

What is debug? I want to know maybe my device has virus? And mayby you can tell me what is this in the second screenshot?
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0answers
754 views

Change video timestamp on non-rooted device?

I thought I'd be clever and compress some old video files taken with my phone camera using the Video Dieter 2 app. It worked fine, except the new files have new (random) names and their modified ...
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5answers
26k views

TWRP createTarFork() error 255 when backing up data

I have installed FreedomOS on my OnePlus 5. I'm not sure if this is related to FreedomOS, but when I try to make a backup in TWRP with data, system, and boot, it has an error with createTarFork() ...
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18 views

Storage not recoverable

Are there any known conditions where an update results in irrecoverable storage? I am asking this because an Android device has lost storage and I have been unsuccessful in recovering 3GB.
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2answers
1k views

How to prevent android system from creating folders on internal storage

Is it possible to prevent Android from creating additional folders inside /data/app/ That is, this is the folder where (user-level) apps¹ are installed. So making the whole thing recursively ...
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0answers
429 views

adb shell touch is not working

I am trying to force the timestamp of a specific file on my android device to a specific date. when I run.. touch specific_file it succeeds and sets the timestamp to the current time. But if I run ...
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1answer
7k views

Why is there no option to choose size in TWRP's resize partition feature?

I'm trying to reflash an old Galaxy Note N5100 but I realized that the system partition is too big (~1.5GB). The current ROM uses only about 40% of the partition so I want to shrink it to make space ...
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1answer
63 views

Conflicted internal SD card because of casing/capitalization?

I'm using two Tencent apps. One of them likes accessing /sdcard/tencent and the other likes /sdcard/Tencent. Somehow the /data/media/0/Tencent folder is empty and /sdcard/Tencent has exactly the same ...
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1answer
2k views

Unknown file type containing a virus

I will try to keep the story as short as possible just so you can have a more clear view of what is my concern. While, I was browsing the Internet on my phone using the Chrome Browser App, I got a ...
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1answer
186 views

What about unknown or hidden folders in android after connecting with PC?

My iBall BraceX1 tablet runs on Android 4.4.2. Whenever I connect my tablet with my PC, I see folders that I marked in following snap. Please let me know about these folders. Regards FewL
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2answers
1k views

How to open files copied to android file system using Adobe pdf reader

I have copied two dozen pdf's to the DCIM on the Android. How do I access them? The Adobe Reader offers the following options: My Documents - which points to a directory underneath the Adobe Reader ...
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1answer
305 views

Why do Android create “Shell Folders” automatically? Can I change the shell folders?

Android automatically creates these folders in primary storage: Alarms DCIM Documents Download Movie Music Notifications Pictures Podcasts Ringtones They are the default "User Shell Folders" of ...
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1answer
41 views

How to change my default save location from sd to internal memory card of phone?

I have a dooge x5 max pro android 6.0 . How can i change the save location by simple steps?

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