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

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231 views

Is it possible to locate deleted messages (sms) on a zte maven?

recently cleaned excess crap from friends ZTE812 MAVEN only to discover they wanted to keep the text messages. I haven't factory reset, only surface delete. Is it possible to recover those messages, ...
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3answers
82 views

Available memory of a 16GB microSD card?

Out of my newly bought Class 10 16GB microSD card I am getting only 14.71GB. Is this normal?
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1answer
138 views

Droid Explorer does now show hidden files

Droid explorer does not show hidden files. Some "root explorer" apps show hidden files eg. on /data/data etc., but Droid Explorer does not. Of course, ES File Explorer also does not show these it show ...
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0answers
43 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 ...
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0answers
78 views

Internal storage - free and occuppied space do not add to total

On Sony Xperia Z2, I have 5.6 GB on /storage/emulated/0, then 2.3 GB in /. However, the whole internal storage has 12 GB, and I can only see under 2 GB of free space. Where is the remaining 2 GB?
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32 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 ...
2
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0answers
350 views

Periodic filesystem checks are a very good idea. Do any major flagship devices ever do them automatically?

It's a very good idea for your OS to do periodic filesystem checks. Here's why. Microsoft program manager Kiran Bangalore writes that there are certain cases in which a filesystem can become ...
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1answer
414 views

data/app folder showing wrong folder names

After messing around with the xposed framework and installing lots of modules, I got into a bootloop (classic !), but I knew the solution was to add a disabled file in data/app/de.rovb.android.xposed....
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1answer
152 views

Can I write to my device's root filesystem? Will my changes persist across reboots?

When I open up a terminal emulator and run the mount command, it indicates that my Android device's root filesystem (/) is of filesystem type rootfs. What is rootfs? Can I write to it? Will my changes ...
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2answers
661 views

Where should I install Toybox?

I own a rooted Samsung Galaxy S Relay 4G running stock Android 4.1.2. If you have Android 6.0 "Marshmallow" or better, then you have Toybox. This is a package of command-line tools, handy for ...
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177 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. ...
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0answers
128 views

Use a disk image for Link2SD's 2nd partition

Well, this question is targeted for those few devices without support for an external SD card as well as merged storage, for example my Micromax Canvas Knight A350. I thought this up today: If we ...
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0answers
1k views

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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0answers
65 views

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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0answers
112 views

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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1answer
865 views

Editing fstab to mount /data from a different partition

Is it possible to edit the fstab to mount /data, /cache etc. from a different partition on the a.internal memory? b.external sdcard? Details: The default partition for /data and /cache are too small ...
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17 views

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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0answers
113 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
61 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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0answers
29 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
786 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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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
925 views

/system cannot be remounted as RW, even when rooted (Sony Xperia E3)

I rooted my Sony Xperia E3 (D2203) a while ago using Kingroot, which worked flawlessly. Before rooting my device, /system could be accessed, which is how root was installed in the first place. ...
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1answer
310 views

Moving /storage/sdcard0 from NAND to a removable MicroSD card: will it break anything?

Background information I own a Samsung Galaxy S Relay 4G running Android 4.1.2. It comes with 8 GB of built-in NAND flash, which is almost full by now. Luckily, it also has a MicroSD card slot. My ...
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1answer
178 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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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 ...
2
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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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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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141 views

Build.prop modifies okay. But not updates in system (e.g. About Tablet in settings)

I am running Android-x86 4.4 on VirtualBox. Everything works fine. But when I am modifying build.prop (with ES File Explorer or BuildProp Editor) with other manufacturer or model and save it. After ...
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0answers
104 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, ...
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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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334 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
674 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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1answer
299 views

Formatting internal MTD storage: selecting block size?

I have rooted china N101-II tablet with CyanogenMod after flashing custom ROM. Internal MTD storage is 32 GiB large and custom ROM flashing make different layout to internal partitioning. Thus /data ...
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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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2answers
12k views

Cannot find where Google Play Music stores downloaded files (different from similar posts)

About a year or two ago, I decided to use Google Play Music as my "cloud host", so I took all of my old music that I'd had sitting on my computer, and uploaded it to Google Play Music. This is all my ...
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2answers
111 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 ...
3
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1answer
723 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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0answers
1k views

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. ...
2
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1answer
325 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 ...
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0answers
49 views

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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0answers
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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0answers
536 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
987 views

Access Android System Partition from Linux

What is the best way to access the Android system partition via USB of any device with Linux (not rooted device) Need to change some files in the system folders...
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0answers
8k views

“.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
323 views

How to prevent extra folders from being created in my external SD card?

I have an HTC desire 820s running on Kitkat 4.4.4. I have set phone storage as my default write disk in Settings. However, when I open ES file explorer, I always find that many folders named like ...
2
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1answer
323 views

When should fstrim run?

Based on this cyanogenmod forum thread, I tried to address the delay in running applications and switching between applications on my Galaxy Nexus running cyanogenmod with Android 4.4.4 by running ...
2
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0answers
524 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 ...