Questions tagged [file-system]
A file system is the logical structure to organize (store, retrieve and update) data on a storage device.
534
questions
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13 views
Show filesystem of SD Card
I am not sure of the file system of the SD Card inserted into my S8. I imagine FAT32 or exfat.
Is there a way to determine the file system of the SD card in an Android device? How?
3
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1answer
38 views
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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29 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 ...
0
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0answers
7 views
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 ...
0
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1answer
34 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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178 views
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 ...
0
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0answers
41 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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0answers
42 views
How to open huawei file safe on pc
So lately my honor 8x has been stolen and i wanted to get my files from the file safe on the device on my pc.How could I
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0answers
44 views
Accessing android app asset files
I am trying to extract some assets from a mobile game that I play. I have extracted the game files onto my PC, however have hit a wall when trying to view the assets. I am able to view some assets (...
0
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1answer
40 views
How to specify the directory path on external memory card?
An app currently saves files to "mydir" on the internal memory:
/storage/emulated/0/mydir
Instead, I want the files saved onto external memory card, but I am unable to figure out what is the right ...
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0answers
16 views
Securely storing keyfiles with authentication and alike
I am using Keepass as my password manager. I am using a keyfile for securing access to my database. However when I want to do the same on my android phone I have to store the keyfile in my phone ...
2
votes
1answer
35 views
Folders missing in (some) apps
I have a strange issue. Just added some new folders in my Music folder after purchasing some new albums. Created them using Total Commander like always, transferred some mp3 files via ftp to the ...
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0answers
15 views
Files deleted via mtp still consume space
When I delete a few large files (part of music collection, ~20GB of flac files) during mtp connection (on computer), it disappeared from Android FS, but, according to FS analysis, still consume space.
...
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0answers
42 views
Where can I setup a persistent directory on my Android phone with a symlink-compatible filesystem?
I want to setup a directory on an Android phone which provides a similar experience to a traditional Linux command line.
Normally I would work from my home directory but HOME in this case resolves /...
0
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0answers
30 views
Unable to change main system sounds coming from previous installation - Files names wrong cannot be updated on Android 9
I tried to change the sound for notification on my Samsung Galaxy S9+ (installed one year ago)
When I hit the "name - button" of the sound, a panel is opened (see joined screen copy), it shows the ...
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0answers
390 views
Unable to flash custom ROM using TWRP, successfully installing AOSP extended, rebooting the device. Upon reboot it boots to TWRP instead of ROM
Successfully installed the AOSP Extended image for 'nicklaus'. Whenever I reboot my device to boot my device, instead of booting to the custom ROM my device automatically boot itself into TWRP ...
0
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1answer
71 views
Where Firefox for Android is keeping add-on generated files?
I want to find a folder, where Firefox for Android is keeping files generated by installed add-ons (list of saved tabs in OneTab, for example).
I've tried to do a full root file system search (e.g. ...
1
vote
1answer
286 views
How to create filesystem in TWRP? Getting error: “Unable to format to remove encryption”
The screen appears after booting into TWRP and trying to format memory:
I was trying to flash a custom ROM using TWRP recovery but it's showing Unable to mount storage & Failed to mount '/data' (...
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0answers
68 views
How to permanenlty disable mobile data by renaming or editing files or directories on rooted-device?
Yes, I read the answers to the question by the link Disable mobile data permanently but I'm interested in a solution related with directories and files on rooted-device and not in using an application ...
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0answers
77 views
Monitor and identify which apps create a specific file/directory
From time to time, there is a directory (and files inside of it) that is created on the internal memory of my device. I keep deleting it, but after a few days/weeks, it's back. The folder in question, ...
1
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1answer
2k views
How to share files between regular account and work account?
I've researched and I cant find anything. What I am missing?
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0answers
58 views
/system/media Directory
First of all, I am currently learning about Android security and wasn't sure if to post it on the Android or Security StackExchange, either way here is my problem...
Investigating the content ...
3
votes
2answers
672 views
How to create and use multiple partitions on external SD card with different filesystems (Ext4, exFAT, NTFS)?
I want to create 4 partitions on external MicroSDcard through ADB shell commands, not on Windows or Linux. Also want to show all partitions in Android GUI (SETTINGS > STORAGE > SDCARD) and make them ...
2
votes
1answer
59 views
How to move 7GB ext4 partition on external SD card to 30GB partition on another SD card?
I had rooted my Android Lollipop 5.1.1 phone and installed Link2SD and linked installed apps on ext4 7GB 2nd partition of external SD card of 16GB size . The apps installed occupied 6.5GB space and I ...
2
votes
1answer
115 views
How to erase unsued space so that dumping userdata partition creates a sparse file of small size?
When I create a gzip image of userdata partition (/dev/block/mmcblk0p29) it creates huge 6.8GB image, previously it was 350MB.
Is it possible through command-line to erase or wipe or delete space on ...
2
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0answers
59 views
How does Android treat files bigger than free space remaining while recording?
I've spent the entire day trying to solve this issue, it seems paranormal but (sadly) it's true and I didn't find a way to solve it.
Yesterday I recorded a very important video using my Xiaomi and ...
1
vote
1answer
212 views
How to read ext4 filesystem without mounting on a non-rooted device?
I perfectly know it is not possible to mount an ext4 partition from a USB key without root.
But in my case, I just need to read a password inside a .txt file (I don't have a PC right now and in the ...
0
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0answers
24 views
Create a link to a folder on homescreen with native filemanager on Android 9
I want to create a link to a folder that's on my sd-card. However if I long press on the native file-manager the only link it offers to open up directly is the images-folder, wich I then could drag to ...
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0answers
77 views
Recovering files from Android phone without usb port working and without root
I need to recover deleted files from samsung android phone but it have damaged usb port and no root privs. Is there a way to achive this? I thought about cloning the internal storage to SDcard or via ...
0
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0answers
44 views
File showing on device not showing on computer
I'm developing an Android application where some data is exported in a json file written in the Download folder. My objective is to get this file from a computer (when the device is USB connected). ...
2
votes
2answers
269 views
How to create a shortcut to some file in another folder?
I have a PDF on the folder ExtSD/Documents/. I need to make a shortcut of this file to the folder ExtSD/CurrentlyReading/.
So simple on Windows... Apparently never asked on Android.
If it's of any ...
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0answers
22 views
Access “downloads” folder within internal storage [duplicate]
I can see files within the "downloads" folder in internal storage on my LG V35 ThinQ phone.
I cannot see these files from my Windows PC (phone connected to PC in USB storage mode).
If I try to move ...
0
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0answers
55 views
How do I search the SD card with standard Android File Explorers?
My Android Pie SD card storage looks like this:
.
āāā Android
| āāādata
| | āāā com.amazon.mShop.android.shopping
| | | āāā ...
| | āāā com.amazon.venezia
| | | āāā ...
| | āāā ...
2
votes
1answer
124 views
Why bowsers cannot download files to storage (path looks /dev/null/Download)?
The phone is Samsung Galaxy Note N7000. For the last few years I use NightOwl custom rom (Android 7). I do not remember when I faced with this problem, maybe after repartitioning with REPIT (but ...
0
votes
1answer
20 views
I don't know how these files got in my photos
I get photos saved in a folder named files, I don't know the people in the pictures . there not photos I took ! How could they have gotten into my phone? and details show /storage/emulated/0/Android/...
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0answers
94 views
My SD Card gets corrupted every time my phone reboots or shuts down
I have a 32GB SD card, however, every time I mount it into my phone (Huawei Y5II), it shows a message that the SD card is corrupted and I should reformat it.
I backed up my files to my PC, and ...
3
votes
1answer
202 views
Can disk quotas be disabled?
$ cp a b
Cannot write to 'b' (Quota exceeded).
# df -h .
Filesystem Size Used Avail Use% Mounted on
/data/media 110G 102G 7.8G 93% /storage/emulated
I can copy the file perfectly fine in ...
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0answers
65 views
Is it safe to delete the Android “.HiddenCabinet” folder?
I wish to remove the entire Hidden Cabinet (".HiddenCabinet") directory tree and all its components. Is it safe to simply delete that folder without disrupting the rest of the file system?
Are there ...
0
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0answers
158 views
How to recover unsaved video file on Android?
I've got a Samsung S9 phone and today I was taking a lot of photos and videos.
For one video we pushed record for about 30 seconds and then pushed stop. It appeared to have been recorded.
However, ...
0
votes
1answer
40 views
Unable to copy the files to /system/app
I am working on i.MX 6Quad SABRE-SD with Android 9. I am facing some problem when copy the some data to system/app from USB Mass Storage,
I got error, when I mount the system to write access:
...
1
vote
1answer
529 views
What is default “fstab” file in Android?
As I known, in Android 9, system and vendor are mounted in the first stage of init by parsing fstab from device tree. But, there is another fstab parsed in init process, it is device default fstab, ...
0
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0answers
234 views
Explore files using Android Studio
Is it possible browsing the device filesystem with the current version of AS? I've read that in the menu View > Tool Windows > Device File Explorer there should be the suitable tool, but I cannot see ...
-1
votes
1answer
37 views
How does Windows interact with Android Internal Storage?
I have a simple question which I can't find the answer for
We all know that Microsoft Windows doesn't support partition formats such as ext4 or f2fs, however even this being the case, how can it ...
0
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0answers
25 views
In which Android system file can I remove Wi-Fi password field?
If I would root my device based on Android (v4.0.4), which system file and how can I change to remove from the graphic interface the field where we manually type a password when connecting to new Wi-...
3
votes
2answers
9k views
How to unpack/repack system.img of android ROM?
I have OnePlus 6T device which has A/B partition system and has a ROM of user type i.e [ro.build.type]: [user]. This device is rooted with Magisk. I have a requirement(Want to place customized ...
3
votes
1answer
10k views
How to disable dm-verity on Android with “user” build type ROM?
I have One Plus 6T Android device which has a ROM of build type user. This device is rooted with Magisk and I want to disable dm-verity on this device. I have tried to run adb disable-verity but I got ...
0
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0answers
52 views
Camera folder displayed as empty, but contains 20GB data
My Lenovo Moto G5 Plus' internal storage ran full, and now there appears to be a problem with the photos that are saved on its internal storage. The internal DCIM/Camera folder is displayed as empty ...
0
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0answers
23 views
In Android 8, during video recording, how the data is saved to disk?
In Android 8, during long video recording,
1) how often does the recorded video data is written to internal storage?
2) What is the size of each piece of data written?
3) Is the data stored ...
1
vote
1answer
228 views
Does Android 8 has journaling enabled in its ext4 files sytem?
Android 8 uses stackable file sytem called sdcardfs, which emulates FAT32 on ext4 on the data partition. Does sdcardfs recognize the ext4 file system and journaling?
In other words, files written ...
0
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0answers
60 views
2 folders of same name in internal storage of Oneplus3
Currently on my phone, i have 2 folders of the same name. The content of both folder shows 0 bytes. EDIT : They are exactly the same. And the subfolders and files are also same with 0 bytes content. ...
