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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questions with no upvoted or accepted answers
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1.5 GB limit on file seek addressing?
I am trying to transfer 5.4 GB file form an android internal memory (Sony Xperia Z2). But it seems that most applications have issues addressing the file beyond cca 1.5 GB. They just can't read the ...
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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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What is the /config file in the android root directory used for?
In the / directory of an android device is a file called config what is this file used for?
I am assuming it is used for configuration files and other things but my Google searching has not been able ...
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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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4
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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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Why is Android showing a different hosts file once my system is booted versus in recovery?
In the past, I've used a modified hosts file on my system that I place at /system/etc/hosts. The process is pretty straightforward
Boot into recovery using a custom recovery.
Mount /system read-write
...
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How to mount an Android sdcardfs formatted microSD card in Linux?
Suppose I take out the microSD card from my Cyanogenmod 13/Android 6 phone, put it in a card reader and want to access it within my Ubuntu desktop. The first partition (16M) mounts automatically, ...
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Create sdcard0 symlink on 6.0.1 for WhatsApp compatibility
I recently switched from a Galaxy S2 running CM 10.2 (Android 4.3.1) to a Nexus 5 running 6.0.1 (stock rooted).
My goal was to migrate all my WhatsApp data (history, media, etc.) over to the new ...
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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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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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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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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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delete operation are extremely slow
For some reason, moving files from my Nexus 5X to my PC takes huge amounts of time.
The copy "part" of the move operation is pretty much as fast as on any other Android device I've used (I can see ...
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Is there a way to replace the Android system file manager with a third-party file manager?
I'm using an OnePlus 3 with Android 6 (Marshmallow). For me the standard Android system file manager that opens when you want to send a photo or video via WhatsApp is just horrible.
It's slow and you ...
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Should I switch to F2FS?
I've heard a lot of hype about Samsung's filesystem named Flash-Friendly File System (or F2FS for short). I've heard about cases where the device apparently worked faster after switching to this ...
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Is it possible to restrict an app's permissions to a specific folder(s) (and subfolders)?
When installing an app, depending on the app, access to the filesystem is required and requested at the time of install. Is it possible to restrict this to specific folders(s) and their subfolders? ...
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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 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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Where are my files in the Explorer when I move them in the Secure Folder [SAMSUNG]
When I connect my phone (Samsung) to my computer, I see an image in DCIM\Screenshots. When I enable Secure Folder and move the image there, the image disappears in Windows Explorer. When I look at the ...
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2
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How can I find out where all my storage space is gone?
I've seen lots of posts here and elsewhere, including YouTube videos, about how to free up space on your android device or find out where it's all gone, including multiple redmi-specific ones, but ...
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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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2
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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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2
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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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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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2
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1
answer
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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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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 /...
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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 ...
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2
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adb shell push image to recent or downloads folders not on sdcard
I want to push images to one of this folders:
with shell command. But file only appears on sdcard folder
My last tries was:
adb push C:\Users\User\Pictures\girl.jpg /data/media/0/Pictures/
adb push ...
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2
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Is it possible to open a locked android device or access it's files without knowing the password?
I have a Samsung phone which is password protected it also has fingerprint enabled.
I don't need to know how to open it I just want to know if it's possible to unlock it or access its files?
There ...
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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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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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Where are the PRL and profile stored on the filesystem?
I'm talking about what can be updated in Settings->More->Cellular networks->Carrier settings. Where are they stored? On what partition and where, if anywhere, on the filesystem?
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Install system app fails
I have a Samsung Galaxy S7 which I have rooted. I am attempting to move app updates to /system/app to save space on my /data/ partition. I follow the standard process (not enough points to link yet):
...
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2
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1
answer
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Android locked MicroSD card (all files read-only)
I own a Wiko Rainbow with Android 4.2.2. Out of the blue my MicroSD card got locked and I can neither create nor delete any files on my phone (such as photos). At first, I did not even understand why, ...
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Setting creation time attribute on exFAT to "atime" from ext4
I have to move files from my internal storage to the SD Card. While cp -p does its job fine to an ext4 formatted card, moving/copying files to exFAT only keeps the file modification time but sets ...
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Phone stuck at boot logo, cannot wipe data/factory reset
I will explain what happened:
I opened up terminal emulator then typed cd /system/xbinls fsc* then /dev/block/vold/179:17 then mount then my tab got stuck and then it switched off automatically.
...
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Retrieve Stock Browser History?
I have a Galaxy S4 and today 45 browser tabs I've been using for about six months just disappeared (should have been bookmarking things, yes).
Is there a way I can retrieve my browser history via my ...
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Is there any working method to mount Ext4 partitions on 64 bit Android 5?
Is seems that, as for today, there are no working methods (apps or hacks) to make Ext4 partitions work (read/write) on my Android v5.1 64 bits.
My device is a Jiayu S3 with a Xtreme ROM (not stock, ...
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File copied to /system/bin keeps disappearing
After copying Sqlite3 to by /system/bin folder, the file disappears. I can successfully change the folder to rw and modify the file properties on sqlite3. However, as soon as I remount my /system as ...
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What are these small 8-4-4-4-12 hexdigits-named files in root dir?
(Post edited to add more info.)
My Android phone contains, in the lowest user-accessible directories of both phone storage and SD card, several small files named xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx ...
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Select file from Downloads to upload via web form
I'm on a Samsung Galaxy S3 and want to upload a file from my Downloads folder to a website using a form on that web page.
But when I click the button to browse for a file to upload, I can only select ...
user106347
2
votes
1
answer
750
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Recover files of an App
My phone is a Motorola MOTO G (first generation). Due to some troubles, I had recovered the factory settings of my phone. But I forget to backup some data of an app (Tricount). A this point my phone ...
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2
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1
answer
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Self replicating worm in sd card
I have a Samsung Galaxy Grand with a 16gb micro-sd card. For some inexplicable reason, I am losing data on the sd card. Folder names are being changed to start with the character "μ." For example, ...
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File transfer with multiple users
On a rooted Nexus 7 (2013), I have set up a second user.
When I plug the usb cable to my mac, I can see all the files for the main user (using the Android File Transfer app from Google).
However, ...
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"Low on space" message, but nothing appears full
GalaxyS (SGH-I897), running Android 4.0.4
Short problem description
I keep getting "Low on Space: Phone storage space is getting low" error in my notifications bar, but neither the SD card ...
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2
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1
answer
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Samsung Galaxy S4 play edition and exFat
Does the Play version of the Galaxy s4 include support for exFat in the sdcard reader? Or is exFat support one of the extras that Samsung adds to the device (presumably since they made the licencing ...
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Would any of the advanced Linux/UNIX filesystems be viable on Android?
I know ext4 is already used as an internal filesystem but I wondered if there would be anything gained by using something like btrfs or ZFS? I know they are meant for more server-oriented situations ...
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What's the use of .tmfs folder on SD card?
What is the use of .tmfs folder on SD card?
ps. there is only a file in it with Chinese filename ...
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2
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How can I "Share To" a network folder from my photo gallery?
I have an HTC Thunderbolt running Ice Cream Sandwich
If I open up my photo gallery and tap on a picture, the "Share" option appears.
Clicking on this gives me some options, such as Facebook, ...
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