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A file system is the logical structure to organize (store, retrieve and update) data on a storage device.

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How to scan internal memory of my Android phone around a certain index entry in order to find lost utf-8/LF (for Linux/Adroid) text?

About a month ago, I already posted this question on askubuntu.com, but nobody was able to give me a proper answer to it. Maybe this was because of the fact that it is actually more of an Anroid ...
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where is the /data/system/called_pre_boots.dat file in nougat release?

ACTION_PRE_BOOT_COMPLETED is published after every system update and this information is available in /data/system/called_pre_boots.dat. However, in Nougat this file is removed. Question: Is this ...
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16 views

Bandcamp music transfered to sd card from PC not playing

I bought an album from bandcamp, and then transfered it to my Samsung S4 external SD card (which is brand new). Now when I go to Google Play Music, the first song is present. All the other songs are ...
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46 views

Secure wipe and file shredder apps do not work

I'm trying different apps that claim they securely erase files and/or securely wipe free space on your phone. None seems to work on my phone so far. I wonder if it is just with my phone (rooted). Does ...
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1answer
22 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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1answer
31 views

How to transfer music files from Windows to Android while maintaining file attributes

Apparently, I cannot directly drag music files anymore from iTunes (on Windows 10) to my Android 8.1 phone via Windows File Explorer. To circumvent this, I gathered all the music files (.mp3, .m4a), I ...
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2answers
43 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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0answers
112 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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0answers
31 views

Correct owers and permissions in /data/data (and correct way to fix)?

I have a backup of the app-data directory /data/data on my sdcard which has screwed up the permissions and probably owners. I'll copy some of the folders from the backup to /data/data. I suppose using ...
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0answers
20 views

System data folder size is 3.5GB on external sdcard second partition

I have created a second ext2 partition on my sdcard and use App2Sd to link apps on it. The problem is, I just discover a folder called system data that is 3.5GB and I don't know why is it and neither ...
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0answers
8 views

How to re-enable recycle bin checkbox in es file explorer pro

Just paid/upgraded to es file explorer pro. Used to have a checkbox to authorize transfer to the recycle bin or not when i deleted files. Now its gone with pro. Is this called an upgrade ? Or where ...
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0answers
27 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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0answers
47 views

Possible to extract a ZIP file saving original file timestamps?

Is it possible to extract a ZIP file preserving the timestamps of the files in the archive ? I'm on a Samsung device running 6.0.1, and every app I've tried saves extracted files with the current ...
1
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1answer
64 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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0answers
94 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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0answers
53 views

Identifying hidden character in file name

This file name apparently contains a hidden character somewhere: /config/wifi/mac.txt I wrote a script to overwrite this file, but it creates another file with the same name. I copied this file to ...
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0answers
21 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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0answers
70 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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0answers
218 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
336 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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0answers
23 views

Is mounting order important?

When executing the mount command on my (rooted) android tablet, I've got (among others) the following records listed (in this order): /dev/block/dm-0 on /mnt/expand/<guid> type ext4 (rw,dirsync,...
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1answer
32 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 ...
4
votes
1answer
118 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
35 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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0answers
407 views

Create Symbolic link to directory in internal storage with terminal emulator

Found this question but it doesn't actually answer the question of why this doesn't work: ln -s /storage/folder_a/dir_of_stuff_I_want /storage/folder_b I get operation not permitted. Also tried ln ...
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0answers
23 views

Android 5.1.1 root ssh create big trash file in /data to override old freed but not wiped content

Hi I freed the storage of /data ( and /data/media/0 ) using TWRP mkfs. What I did was an advanced wipe with TWRP. Now I want to override all the free space of /data with garbage to ensure that my ...
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0answers
84 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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0answers
49 views

How to install userscript from file in Firefox' Tampermonkey?

I wrote an userscript on my computer. I'd like to install it on Firefox on Android. I added Tampermonkey plugin to Firefox. What do I do now? I tried to create new userscript and copy-paste the ...
3
votes
1answer
302 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
165 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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0answers
26 views

How to search SD card images LG Leon Phone?

When I go to file manager on my LG Leon phone, I can't use the search box to locate images. The images appear as I browse, but when I type the name of an image file into the search box, the operating ...
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2answers
48 views

Shortcut to a specific folder

I have an app icon on desktop for "My files" app. But how is it possible to create a shortcut for SD card\books\ on desktop? I have a Samsung a3 non rooted with android 5
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votes
1answer
356 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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0answers
540 views

Format SD card 2nd Partition as F2FS

Apps2SD supports F2FS for a SD card's 2nd partition. How do I format the 2nd partition as F2FS from Microsoft Windows or via adb?
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0answers
32 views

Change file value in system

I have a question. I was making a tweaks script for android and I got a problem about it, and my question is : Is there any folder to make a script running on boot other than init.d ? Why some file ...
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1answer
206 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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0answers
251 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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0answers
221 views

connect android-wear watch to PC

How can I connect my Fossil Q Explorist (with android-wear 2.0) to my PC to access and edit its filesystem. I tried connecting via bluethooth and with the charger but the watch wasn't detected. Has ...
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1answer
31 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
321 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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0answers
20 views

I have an Alcatel One Touch A25L1 with problems!

The problems that I'm having are: Every time I restart the phone, every single inbound text I have received for a month, though deleted comes back!! My carrier says its my phone!! But I know that's ...
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3answers
4k 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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0answers
16 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
184 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
141 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 ...
2
votes
0answers
994 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
42 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 ...
4
votes
1answer
435 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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votes
1answer
64 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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1answer
277 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 ...