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

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File systems supported on Nexus Player

I have a Nexus player running Android 6.0 (Marshmallow), and would like to connect a USB hard drive (through a USB OTG cable) to it and watch videos off it. I've installed ES File Explorer and Kodi. ...
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Filesystem check

I'm using a Trio Stealth Gen 5 on 4.5 I think with some crashed reboots I may have messed up my filesystem. I've never used Linux prior to this, but some Google searching lead me to a few things. I ...
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After Custom Rom My Device Become Very Slow

I am using QMobile Noir A8 (it's a Pakistani Android device) with custom ROM. I am having a problem with the custom ROM. My device becomes very slow when I connect to the internet. All apps (Facebook, ...
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Location of temporary sound files for Auri?

Auri is a text to speech app for Reddit. I'm trying to download the sound files it creates, and if possible load them with the app offline, though neither are supported features. I'm using a rooted ...
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110 views

Incomplete file list when browsing file system of Nexus 5 in Windows 7 / 10

I connected my Nexus 5 (Android 6.0) to my Windows PC via USB (tried both MTP and PTP mode) and noticed that the file list in Explorer was incomplete. I compared the file list in ES on my Android ...
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1answer
93 views

Nexus 5 with zero-length partitions

So something is wrong with either the partition or the eMMC. TWRP is unable to erase/reformat/repair any partition (console lists partitions that fail to mount: /data, /data/media, /system, /cache) ...
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1answer
60 views

File size in different devices [closed]

I'm working on an Android app which downloads new-updated resources from a remote server whose platform isn't specified yet. The app compares the size of the pre-downloaded local file and the remote ...
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1answer
177 views

How to clear a Folder (e.g. Downloads) automatically on a regular/scheduled basis?

There is a folder on an Android phone that continually fills with junk. Instead of clearing that folder manually on a regular basis, how can I setup up a way to have that folder be automatically ...
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1answer
70 views

How does the Linux filesystem on Android get mapped to “Computer\PhoneName\Phone” on Windows 7?

I am trying to figure out, when I use adb shell I see a filesystem with directories such as /storage/emulated/0. When I connect my Android phone to Windows 7 I see something like the following folder: ...
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1answer
5k views

Android limited to 1 hour video recording?

At the moment, I am using the standard video recording app for video recording. I have found that the recording automatically stops after just 1 hour. Is this a deliberate limitation placed on the ...
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28 views

What is the point of separating the kernel and the rest of the operating system?

With all of the Android devices that I've seen, the Linux kernel and the initial RAM disk are placed in (the poorly named) boot.img and the rest of the operating system is placed in system.img or ...
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1answer
771 views

Enabling USB debugging from open file system access using custom recovery

Of course this should be possible, but finding the correct files to modify is the real question. Assuming we can boot into a custom recovery and have full access to the file system, has anyone ...
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2answers
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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
468 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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3answers
9k views

Where does the 'set as wallpaper' feature save your picture in Gingerbread (2.3)?

I had an image from a website which I set as my background inside the browser. I am wondering now where I can find the image in the file system, because I can't find it online anymore. I already ...
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0answers
68 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 ...
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1answer
101 views

How can you get a local filesystem link of an offline-accessible PDF file in Dropbox?

I would like to get a link to a pdf file in my local Dropbox of my android. This is because I want to access the file by the syntax /local/system/something/file.pdf#page=116 in Internet Browser. I ...
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10answers
81k views

Not all files are visible over MTP

I have LG L5 (e610 model) device with Cyanogenmod 10. When I connect the phone to a computer with Linux (I have mtpfs installed), I can see both internal storage and the SD card. However when I ...
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1answer
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Why did /sdcard/ turn into /sdcard/0/ with 4.2?

I've never seen this before so I'm assuming that it happened when I upgraded to 4.2: I'm fairly certain that /sdcard/ used to take me straight to my sdcard, but now when I go to that path (in CWM ...
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2answers
31k 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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0answers
535 views

Where are the lollipop OTA system upgrade files stored?

Android devices automatically download OTA system update files and store them on your device until you install them. Then you get a notification that the file has been downloaded. I do not want to ...
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1answer
169 views

Access Android file system through ubuntu 14.04 over LAN

I have SOC which run android 4.4. I have connect this to my network using LAN. Now I want to access android root file using my Ubuntu desktop. Something like ssh. How to do this?
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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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55 views

Unable to mount '/efs'

I am having trouble with mounting /efs on my Galaxy S3, which is running on cyanogenmod 10.2. I have already tried this tutorial but with no luck. Also, I found a .bak file that is supposed to fix ...
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331 views

repack system.img for htc desire 516

I've unpacked the system.img from HTC Desire 516 firmware to add some missing languages pack, both unpacking and editing the system image done, but i'm unable to repack the system image, i'm using ...
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2answers
662 views

how do I view files on micro sd?

I just saved the files from my flip phone to a micro sd card, and put that micro sd card in my android tablet. I went to the file manager, but I didn’t see anything for mounting the sd device, or that ...
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2answers
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How do I make /sdcard link point to external SD Card on Android 4.4.2?

I've got a Samsung GT-I9505 phone with Google Edition Rom installed. As my phone comes with 16Gb internal storage, I bought a 32Gb microSD. However, the phone still uses emulated SD card to store all ...
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1answer
50 views

Can I access the filesystem of an android device?

I have an android device that doesn't start because it tries to activate carrier's network. Its out-of-contact CDMA mobile which was ported to another carrier. I accidently did a reset and after that ...
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1answer
721 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
108 views

Missing 20 Gigabyte of Free Space

I've recently noticed that my Galaxy Note 3 32GB model ran out of storage. My Samsung File Explorer App says that I've got about 3GB of storage left of 32GB. My problem now is that I can't figure out ...
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72 views

Which filesystems with wear leveling does Android support?

So I bought 64gb micro SD card which was formatted as exFAT. I can't use it with Android and I am actually very happy now that I have a good reason to get rid of this ms crap. In particular I do not ...
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2answers
4k views

Galaxy S4's LCD broken. How do I access hidden folders in the storage using computer?

I recently broke my screen entirely so the touch function and LCD do not work at all on my Samsung Galaxy S4. I managed to plug in a keyboard to my phone to input my pass-code in order to unlock the ...
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2answers
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Where to put supersu zip file while rooting HTC One M8

I'm following the instructions at http://htc-one.wonderhowto.com/how-to/unlock-bootloader-root-your-htc-one-m8-0154444/ and have found a stage where I don't have enough information, which is at Step 9 ...
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Move app using file manage or force installation onto SD card?

First off: I haven't been able to root my phone. It's a ZTE Speed (N9130) on Android 4.4.4. I have gone through every rooting method available with the exception of guides that require special cables. ...
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4answers
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How to delete a specific file in Android so that it can't be recovered?

From my experience a file deleted from a computer filesystem can often be recovered unless it is overwritten with a special program (that's usually called "shredding"). Is an Android-based HTC ...
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What is the real used space on data partition of my phone?

When selecting data partition on my phone (HTC One M8), TWRP says it's going to back up 5448 Mb. But 'df' command says there are 8319 Mb used from 10934 total. And ES Explorer displays the size of /...
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44 views

change the filesystem mounted when plugged in to USB

Is there a way to change the mount location when plugging a device into USB? I want to move it to root directory. I am rooted. Please note that I want no setup done on the pc I.e. Do not give methods ...
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“.walkfree” folder automatically created in SD card, and APKs downloaded into it without any notification

In my SD card a folder is created on its own named .walkfree by an unknown source, and in that it automatically downloads .apk files showing no notification of being downloaded, and if deleted, a new ...
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2answers
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How to prevent Android from creating LOST.DIR on SD card?

After the phone restarts, there is a LOST.DIR folder created on the external SD card. Is it possible not to create this folder if nothing is lost?
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515 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 ...
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163 views

Android external uSD mount omap configurations

My issue is that my android OS is not recognizing my uSD slot as a mountable drive. I am working with a custom piece of hardware that is a carrier board for an SOM. The version of android is 4.2.2/...
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1answer
206 views

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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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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1answer
247 views

Where I can find factory home screen layout file?

Where I can find factory home screen layout file? I would like modify default layout which will persist after I will make a hard reset. Best Edit device: Lenovo A6000, kitkat 4.4.4 rom: orignal ...
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616 views

What is the content of data/misc/wifi/softap.conf?

I was going through a question about how to find a saved password in a rooted phone and while doing this I found a file in data/misc/wifi/softap.conf. What is the content of this file?
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how do I browse to files on my external sdcard when the phone is connected using MTP?

I have connected my phone to my computer (Win7) using MTP. I can browse to the H:\ drive and see things like music,amazonmp3, alogcat and so on. But when I use my phone's file manager to try and find ...
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Android Folder Hierarchy

On Android's root (/), what is the purpose of each folder? I want to learn the folder hierarchy structure. I would like to know the differences between Android 2.3 and 4.x, if they have different ...
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1answer
86 views

Filesytem on Android

I'm totally confused regarding Android file system and its relation to SD card. While browsing my Asus Nexus 7 (2013) with file manager Astro from very root catalog I found directory sdcard. But ...
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6answers
20k views

Access Android device's file system over Bluetooth or Wi-Fi

I'm looking for a way to access the file system of an Android device (Nexus S) wirelessly, as its USB port has become unfit for anything but charging. Ideally, I'd like the same functionality as ...
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2answers
126 views

cannot delete file with strange character

I am using JellyBean 4.1.2. There is a directory with a file that is with stange character. I use many app to delete it but did not success. And I use shell to look at it. When I issue ls command. it ...