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

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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 ...
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4answers
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download bigger than 4 gb file on android 4.0.4

How can I download files bigger than 4 GB on my Micromax A110 phone? FAT32 file system says that it does not support files larger than 4 GB. I know there is one more way to do that: EXFAT file ...
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4answers
4k 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 ...
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1answer
19k 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 ...
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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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1answer
980 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 ...
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1answer
235 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 ...
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2answers
5k 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 ...
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2answers
139 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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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 ...
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1answer
736 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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2answers
3k 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 ...
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2answers
354 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. ...
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votes
2answers
82 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
3k 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
19k 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
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1answer
6k 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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1answer
44k 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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1answer
5k 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.
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2answers
927 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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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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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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2answers
524 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 ...
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2answers
2k 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 ...
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1answer
3k 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 ?
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2answers
284 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
5k 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 ...
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1answer
7k 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 ...
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1answer
8k 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 ...
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1answer
6k 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, ...
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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 ...
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1answer
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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 ...
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1answer
1k 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
194 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
1answer
239 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
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1answer
436 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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1answer
9k 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 ...
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1answer
2k views

How to partition SD card in HTC One X?

I was trying to create ext2/ext3/ext4 partitions on the SD card. I tried ClockworkMod recovery and it didn't work. Nothing seems to have happened. I also tried using MiniTool and that also failed. I ...
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1answer
3k views

Symlink: operation not permitted

After installing a custom ROM on my Galaxy s i9000, the external_sd symlink is broken. So, I wanted to get this symlink back. I used the following code in Terminal Emulator (yes i am rooted with ...
2
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1answer
467 views

SD Card partition named differently on different devices - breaks music player

I have recently moved from a Droid 2 to Droid 3, both running Android 2.3. The same SD card registers as "sdcard" on the D2, and "sdcard ext" on D3. Probably for this reason, I am having problems with ...
2
votes
1answer
586 views

Is there a way to view the file size of an image without downloading any apps?

Got a new phone (Nexus S) and having some issues with picture messaging. I want to check the size of the picture I took with the camera, but I can't seem to do this. As I don't have a data plan yet, ...
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2answers
3k views

Android 2.2 - External SD card not working - says “Blank External SD card” — Why?

OS: Android 2.2 Device: Samsung Galaxy S All of a sudden my external SD card has stopped working. Error Notification: > Blank External SD card > > SD card blank or has unsupported file ...
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votes
1answer
57 views

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 ...
2
votes
1answer
897 views

XT1064 - 5.0.1 - Rooted - Issues with writing to /sdcard

I just rooted my Moto G 2014 XT1064 running 5.0.1. I used this article to do the root process: http://maktechblog.com/how-to-unlock-the-bootloader-and-root-the-motorola-moto-g-2nd-gen/#Root Which ...
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151 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, ...
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322 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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1answer
555 views

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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0answers
123 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 ...
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0answers
80 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, ...
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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 ...