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Questions tagged [file-system]

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

9
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2k 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 ...
7
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0answers
67 views

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 ...
4
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0answers
212 views

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 ...
4
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0answers
2k views

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 ...
3
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0answers
128 views

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 ...
3
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0answers
4k views

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, ...
3
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0answers
1k views

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 ...
2
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0answers
474 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 ...
2
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0answers
132 views

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?
2
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0answers
86 views

When should I run a consistency check on my removable MicroSD card?

I own an Android device with a removable MicroSD card. The card uses either FAT32 or ExFAT technology. These are "non-journaling filesystem" technologies, so the data on the cards can become corrupted ...
2
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0answers
87 views

How can I run a consistency check on my removable MicroSD card?

I own an Android device with a removable MicroSD card. The card uses either FAT32 or ExFAT technology. These are "non-journaling filesystem" technologies, so the data on the cards can become corrupted ...
2
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0answers
682 views

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 ...
2
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0answers
729 views

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): ...
2
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0answers
156 views

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 ...
2
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0answers
577 views

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. ...
2
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0answers
136 views

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 ...
2
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0answers
356 views

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, ...
2
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0answers
1k views

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 ...
2
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0answers
197 views

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 ...
2
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0answers
634 views

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 ...
2
votes
0answers
1k views

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 ...
2
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0answers
235 views

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, ...
2
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0answers
456 views

“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 nor the ...
2
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0answers
338 views

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 ...
2
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0answers
121 views

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, ...
2
votes
0answers
5k views

USB file transfer only works when HTC One X is connected in internet pass-through mode

When I connect my HTC One X via USB to my PC, I can see my Android storage only when my phone is connected in internet pass-through mode. I set the mode by Settings > More > Mobile network ...
2
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0answers
438 views

Persisting permissions on /mnt/shell after reboot

CWM Nandroid backups are being stored in /mnt/shell/emulated/clockworkmod I want to use DropSync (or something similar) to automatically upload the contents of this folder to Dropbox as a backup ...
2
votes
0answers
1k views

Any way to use another name for the external_sdcard folder?

On my Android tablet, the SD Card is shown as an external_sdcard folder, no matter how I rename the card. Personally I don't like the auto-assigned folder name. Is there a way to use a different ...
1
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0answers
29 views

datadata is full - and doesn't let me remove files

A really old Smartphone having Cyanogenmod on it provides only about 400 MB space for data/data. Now this space is full. df shows 0.0K of free space. The homescreen doesn't even appear, only errors ...
1
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0answers
106 views

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 ...
1
vote
0answers
20 views

Only few files are visible from 5TB exFat external hdd on Galaxy S8+

I have a 5TB external storage with many RAW photos and videos. They are sorted by dates in folders and the hdd itself is almost full. When I connect it to my PC, it recognizes all files and ...
1
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0answers
29 views

Clone userdata from xcover-3 to xcover-3ve g388f -> g389f

I have some very special questions for you. My friend gave me a broken xcover-3 g388f. He wants the data on it, so I "Chip off" the internal memory and read it out with a chip reader. Now he came to ...
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0answers
52 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 ...
1
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0answers
42 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 ...
1
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0answers
303 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
345 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
681 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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0answers
39 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
161 views

What is the reason why partial amounts of files show up while connected via MTP?

This question is in reference to an ongoing issues brought up in the past about being able to see all files on a device through an file manager app, but only a partial amount showing in Windows ...
1
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0answers
165 views

Can I use ext4 on my SD card on a non-rooted android 5.1.1 (lollipop)?

I'd like to use ext4 on my SD card, or anything besides fat32 really. Something which supports files > 4GB in size. Unfortunately, unlike it apparently was back in the day, now ext4 and even exfat-...
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0answers
1k views

File explorer is empty for nougat emulator?

In Device Monitor File Explorer remains always empty.why? For other emulator is works perfectly fine.Please Suggest me solution
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0answers
404 views

what's the difference between mount point /sdcard & /sd-ext in recovery.fstab

This is the recovery.fstab # mount point fstype device [device2] /boot mtd boot /cache ext4 /dev/block/mmcblk0p39 /data ext4 /dev/block/mmcblk0p40 /...
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0answers
1k views

Check and fix “formatted as internal” / encrypted SD Card i/o errors

Unfortunately I seem to have a problem with my filesystem on my as internal storage formatted SD card. My problem is kind of related to this thread so I think it is worth mentioning here. When I was ...
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0answers
798 views

How to make bind-mounted (mount -o bind) folders visible for non-root users?

I want to mount-bind an app data folder in /data/data/... to a user subfolder in order to automatically synchronise the contents for backup purposes. As root I use the following command: mount -o ...
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0answers
2k views

I can't remount /system as rw. I get an error message: mount: Read-only file system

I'm using a rooted Huawei G7 and i'm trying to install BusyBox, but I keep getting an error. I'm 100% sure this error is because there is some weird write protection on /system. I know this because ...
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0answers
109 views

how to restore mount points

i have a bricked device , after 20 hours of flashing and searching , i found that my device lost some mount points here is the the mount points of my device and here is the mount points of a ...
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0answers
44 views

How do Android Communicate with Storage or External Storage?

I Wants to know that how the android os is communicating with the storage devices, as because I have two USB Devices from same vendor (ScanDisk) and of equal size (8 GB) and having same File System (...
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0answers
68 views

How to know the device's microSD card reader specifications?

In my opinion, for clarity and transparency before purchasing a device, it would be necessary that manufacturers clearly indicate on the data sheets of their devices more information about the device ...
1
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0answers
363 views

Can't remove remaining facebook files

so I have 2 remaining .cnt files in /data/data/com.facebook.katana/cache/image/v2.ols100.1/44 and /data/data/com.facebook.katana/cache/image/v2.ols100.1/45 The thing is that they can't be removed in ...
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0answers
682 views

alternatives to add NTFS support to Android kernel

I would like to enjoy of NTFS support for my Android device. The USB-OTG Helper app and also this patch - sdcardfs.ko couldn't help with that. With regard the patch sdcardfs.ko, I have done all the ...