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

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Reason SD cards come FAT formated instead of Fat32?

I found my SD card to be FAT formated instead of a modern filesystem (at least fat32). This comes with the disadvantage of large allocation unit size (32kb) whilst most of the files are less than ...
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2answers
5k views

What file system for sdcard for KitKat

I have been searching the web and this website for information about the file systems supported by Android. I have not found anything though. Since KitKat (Android 4.4), some changes have been ...
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1answer
9k views

Local files revisited: Opening local HTML files (file:///path/to/file) in Chrome on Android 4.x

There are other questions on this same topic, but I'm finding that on 4.0.4 with my HTC One, I can open file:/// URLs just fine with Firefox, but not with Chrome or the Android browser. Those two ...
4
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2answers
3k views

Path where Firefox Mobile Addons store their data?

I've installed Firefox Mobile on my Asus eee transformer and installed the scriptish add-on for using some userscripts. Some of them require editing. The problem is I don't know which path contains ...
3
votes
1answer
3k views

Does Android have a 2.1GB file size limit?

I have tried many voice recording type applications and the best I have found only allows me to do a recording upto a maximum file size of 2.1GB. I can do many of these 2.1GB recordings as I have a ...
3
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4answers
5k views

Why do I get “not enough space” when I copy an APK file to /system/app?

I recently rooted my HTC Desire Bravo because I needed read/write access to /system/app in order to be able to copy an APK file there. I wrote here on stackexchange on the best solution to root the ...
3
votes
1answer
26k views

Format memory card with NTFS

I have a Galaxy SIII and 32GB memory card. I want format the memory card with NTFS just to get rid of 4GB size per file restriction. How can I format the card with NTFS and even if I format it with ...
3
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2answers
1k views

Why are there 2 folders SDCard and SDCard2 on a ViewSonic GTablet?

I see that there's a folder named sdcard and another named sdcard2 on a ViewSonic GTablet. If I put the SD card in my PC, the sdcard2 folder is recognized by the PC. If I connect the tablet to the ...
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2answers
3k views

How to download a phrasebook from google translate

So i've been using google translate for a while and there are a bunch of translated words and phrases that i have asked for to date stored on the device. I now want to take a copy of them to my PC (in ...
3
votes
1answer
1k views

SD card directory is “split” on new phone

I moved from a Samsung Mesmerize (Galaxy S, Android 2.2) to a Motorola Electrify (Android 2.3) and the Electrify is reading my SD card differently. My old data is now stored in /mnt/sdcard-ext instead ...
3
votes
1answer
7k views

Creating App and Swap partition for Android

I have got Karbonn A5+. I dont know how much ROM, RAM it exactly have. When I go to Settings > Applications > Manage Application it shows 191MB used, 11MB free. But, when I open Advanced Task Killer, ...
3
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1answer
248 views

Is it possible to list all files on SD card created by a certain application?

I would like to see which files on my SD card a certain application has written. How would I go about doing it? I don't know how writing files from an application works in Android. But maybe these ...
3
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2answers
6k views

Finding data created by a certain application?

I'm looking for the data-store of a certain application so I can take backups of some files that are important to me. Connecting the phone to my computer and browsing the file-system I get revealed a ...
3
votes
2answers
189 views

selecting a chime in Caynax Hourly Chime

In Caynax Hourly Chime when I select chime option a dialog with a Search button appears. But while I have some sound file in my SD it do not show them. How can I choose chime file in this app?
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votes
1answer
1k views

How to free up more storage (upgrading to 4.2 made me lose 6GB)?

So this morning, I bought a new game and it required a large file download. I went to download it and a message told me that I had 0mb of space remaining. This seemed odd to me because last time I ...
3
votes
1answer
773 views

Would it be possible to use the SD card as the root filesystem

This may sound stupid to someone who knows more about Android, but I don't and it it has been bugging me for some time now. Since Android is at its core a Linux system, shouldn't it be possible to ...
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4answers
26k views

Files with names with unicode characters get corrupted in SD Card

When mounting my SD Card on my galaxy SIII files and folders in the card with characters that aren't in the ASCII range get corrupted. This happens by simply selecting 'Unmount card' in the Storage ...
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3answers
4k views

How to clean up old application folders from prior ROM?

I installed CM10 on my GS2, and during the process I didn't format the file system as I wanted to retain my photos and music on the device. I was aware of an app called "SD Maid" that is supposed to ...
3
votes
2answers
391 views

System audio files appearing in playlist

I wasn't satisfied with the selection of sounds the phone was giving me for the alarm, so I installed ES File Explorer and picked out some ringtone sounds from the phone's system/media/audio folder. ...
3
votes
0answers
477 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
votes
1answer
469 views

How apps write data into file-system on non-rooted device?

User Apps and Data are stored in /data/app and /data/data respectively. But we can't (even) see that without root permission. So, I want to know If device is non-rooted then How user Apps are ...
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2answers
96 views

Why is checking Android filesystem possibly harmful?

I just had an idea to do a filesystem check of all Android partitions when I noticed there is an option to do that for /data /system /cache in STweaks app (which comes also with Dorimanx Kernel) but ...
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1answer
4k views

Why is EXT3 not supported on Android?

Android uses the Linux kernel instead of some "Android kernel", so why is ext3 not supported on Android 2.3?
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2answers
32k views

Moving apk to system/app. Operation failed

I have rooted my Nexus 5 and am trying to move an apk to the system/apps directory but keep getting "Operation Failed". I am trying to move from the /data/app directory to the /system/app directory to ...
2
votes
1answer
7k views

Running TRIM from shell

Is it possible to run fstrim in stock android 4.3 from adb shell? I understand it runs every 24 hours when the device is plugged in and idle but I would like to run on demand to test a few theories.
2
votes
1answer
8k views

How do I delete this read only file?

In order to enable USB mass storage mode, I placed a file in the /system/etc/init.d/ directory. My situation has changed, and now I want to remove that file. I know it is safe to remove because I put ...
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votes
1answer
50k views

What are the folders 'burstlyImageCache' and 'burstlyVideoCache' and can I delete them?

I'm interested in the following two folders found on my Samsung SIII: /storage/sdcard0/burstlyImageCache /storage/sdcard0/burstlyVideoCache Together they only come to about 1.5 MB on my device. ...
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votes
2answers
1k views

copy folder structure from internal memory to sd-card

I use the amazon downloader to buy mp3s with my android device. My problem now is that I cannot change the download folder but want the files to be moved to my sdcard. I already found a cron tool to ...
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votes
2answers
5k views

How to create a symlink after I rooted my Samsung galaxy w GT-i8150?

How do I create a symlink from my /sdcard/NaviSEA to point to /sdcard/external_sd/SD/NaviSEA? Even after rooting my device I still get "Operation not permitted" error and I did allow with su in my ...
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votes
2answers
1k views

How to visit the /data folder on my Android on my PC?

For example /data/data/com.android.providers.contacts/databases/contacts.db I cannot see it both in Windows 7 and Ubuntu 11.04.
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votes
2answers
551 views

How does it looks like on the galaxy tab?

Im wondering about the filesystem on the galaxy tab, could i for example connect it to a camera, transfer some images, fix red eyes and transfer the images to a storage device like a usb pen or a ...
2
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1answer
808 views

How toolbox symlinks work

On my Android emulator, the /system/bin folder contains several symlinks that point to the toolbox binary: # ls -l /system/bin ls -l /system/bin [SNIP] lrwxr-xr-x root shell ...
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votes
1answer
4k views

How to check support for ext2 filesystem on android device

I have a android mobile with gingerbread 2.3.4 installed. I want to know if my device(kernel) supports ext2 filesystem. Is there any terminal command to check the support for ext2 filesystem ?
2
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1answer
2k views

Is there an Android web browser which can upload files from a local file system?

I am considering buying and Android tablet and want to know if this function is possible.
2
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1answer
80 views

Where does Lollipop stores notification policy?

Unlike its predecessor Android versions which saves notification policy in the file /data/system/notification_policy.xml (the file which saves the package name of apps you've selected to stop giving ...
2
votes
2answers
269 views

Is it safe to delete all empty folders in Android?

Almost every Android "cleaning" app (such as SD Maid) includes the ability to delete all empty folders. In operating systems such as Windows, this is generally not a good idea. Windows applications ...
2
votes
1answer
7k views

Link2SD proper usage

I have a 64 GB micro SD card. I partitioned 1.2 GB as Ext2 with Mini Partitioner (highest option was about 4 GB). This is great and all, but from all of the literature I've read, Link2SD seems like ...
2
votes
1answer
9k views

BusyBox `ln -s`: How do I create symlink to a directory on external SD-card?

How do I create symlink to a directory on external SD-card? Do I have to edit /etc/passwd and add user or root to the sdcard_r group--since, I see that the /storage/ location is owned by sdcard_r? Do ...
2
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1answer
12k views

I'm seeing duplicated images and videos on Gallery

I'm facing a strange situation on my Nexus 4, with Android version 4.2.2. I've being using it for the past 2 months without any issues whatsoever (other than a "regular" battery performance), but ...
2
votes
1answer
11k views

How to format /storage/sdcard0 in ext4

I tried to create a symbolic link on the "internal SD card" of my Galaxy SD2. It failed with "permission denied" and I quickly realized this file system is vfat. How can I reformat /storage/sdcard0 ...
2
votes
1answer
1k views

How can I access files on a Seagate GoFlex Satellite wifi or Kingston Wi-Drive?

My final goal is to programmaticaly access files on a Wifi/USB storage device, like a Seagate GoFlex Satellite wifi or Kingston Wi-Drive (preferred because less expensive). The storage devices are ...
2
votes
1answer
2k views

Android chroot ubuntu - is it possible to get ubuntu to recognise usb devices

I've managed to setup the chroot but I'm unsure how to get the chroot to recognise usb devices. I'll be doing so work with microcontrollers hence I neeed to to recognise my usb based programmer. For ...
2
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1answer
2k views

How can I browse my Mac's hard drives with my Android phone?

Is there any Android software that can understand afp or browse OS X filesystems some other way ?
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1answer
65 views

Shred an internal or system partition

There are quite a few apps that lets a user delete the media or data partitions so it won't be recoverable - by re-writing "junk" data over and over again on the free storage space. Still, is there ...
2
votes
1answer
98 views

Where in the filesystem are settings saved? Namely ADB backup password

Where in the phone filesystem are settings saved? I've lost my ADB backup password and simply want to delete it. If it affects other settings that won't matter too much. I will be interfacing the ...
2
votes
1answer
707 views

No USB Storage Mode on GalaxyNexus running 4.2.2

I have a GalaxyNexus running Android 4.2.2 I just want to quickly backup some data files to my PC. I'm pretty sure I've done this many times before, but I guess not on this phone. I have the Android ...
2
votes
2answers
997 views

How do I record a ~45 minute 1080p video with external mic?

I am currently using the camcorder function that comes with lgcamera because it allows me to use the microphone as the source of sound input. But I found that it stops when the recording size reaches ...
2
votes
1answer
336 views

Should the sdcard support case-sensitive files?

I've been testing one of my apps to see how it handles filenames in UPPER-CASE. I thought the Android libraries and system was case sensitive for filenames, however I eventually discovered that files ...
2
votes
1answer
553 views

External harddrive case to spin-down drive when idle

I try to make external 2.5 hard drives automatically spin down when idle and connected to android devices. The device I have got in mind is a HDMI TV-Stick with USB connector. I tried a few ...
2
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2answers
12k views

I modified vold.fstab and lost access to my SD card

Background: I have Samsung Galaxy Ace GT-S5830, which has very low internal memory (181 MB). I have an external micro SD card of 16 GB, but still couldn't install many apps due to insufficient ...