For questions about the internal procedures and processes of the Android system.

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1
vote
1answer
40 views

Android /d folder

On all of my devices there's a folder called /d on two of my devices it's full of folders, on the other it's empty. What is the /d folder? What is it for? And why is it empty on one device?
-2
votes
3answers
4k views

How can I make the system folder writable without rooting?

My device is Sprint Samsung Galaxy S III Model number: SPH-L710 I want to do this, because I want to stop the camera shutter sound. And I don't want to root my device.
-1
votes
3answers
433 views

Samsung Galaxy S3 doesn't respond to some secret codes

Samsung Galaxy S3 I9300 doesn't respond to all secret codes in here . Specially it can restart with non of the codes in the list. Do I have a fake Galaxy S3 ?
3
votes
1answer
3k views

Media Storage: what is it, and why is it using all my data?

I am only 5 days into my Billing cycle, and noticed that already like 1/3rd of my data has been used (thanks to My Data Manager)... So I looked to see what has used all this data, and it says it is ...
0
votes
0answers
30 views

Android system folder permission lockout

I have apparently messed up the permissions to the /system/ folder in android (a galaxy s3 sgh-i747, which is rooted). I think I locked myself out of being able to execute anything in that folder, ...
9
votes
4answers
4k views

Disable USB charging

For some reasons not related to the battery life, I need to disable the battery charging when a USB host is connected to my phone (a rooted Nexus 4). Taking a look around on the internet (link1, ...
1
vote
0answers
94 views

Is it possible to disable confirmation dialogs in Android 4.4?

I have an LG G2 which came with Jelly Bean, and I have recently updated it to Kit Kat. I have noticed that the amount of confirmation dialogs when changing phone settings seems to have gone up from ...
0
votes
1answer
40 views

Android installation age [duplicate]

Is there a way to discover when my Android OS was installed? In other word: what is the age of the SO running in my phone (since the last FW upgrade)? I have root access and I prefer not installing ...
2
votes
0answers
120 views

Possible Soft-Brick Fix for my Galaxy S4

So, prior to my stupidity, I made a system.img dump via dd However, after my stupidity (tried flashing some lib files....), I am now stuck with only stock recovery mode, or download mode. How can I ...
2
votes
1answer
94 views

Details on Android OS massive data usage

Yesterday Android OS on my Nexus 5 transferred 44,7 GB (!) data over both WiFi (42,2 GB) and mobile data (2,5 GB). I have no idea why the data transfer started, and I have no idea why it stopped after ...
8
votes
3answers
15k views

What are the differences between a system app and user app?

As I've played around with different ROMs and used Titanium Backup, I see that apps are categorized into system and user apps. Several ROM developers state that Titanium Backup should only be used ...
31
votes
3answers
20k views

Is Android a 32-bit or 64-bit OS?

The title is pretty much self-explanatory: is Android a 32- or 64- bit OS? I assume that it is one or another and not both, as that would force both 32- and 64-bit binaries to be hosted on Google ...
0
votes
0answers
34 views

How can I make an Android device go from off to on at a chosen point?

I have a rooted Pantech Element and I want to make it turn on when it is charging (or at some other predetermined event, possibly). I have seen advice that says to edit a file called 'playlpm', but ...
0
votes
0answers
27 views

remount failing for rooted device

I have a rooted motorola device, which I am trying to remount for an internal apk installation. Vaibhav-mac00:~ vaibhav$ adb remount System folder is write protected. To disable use: fastboot oem ...
1
vote
1answer
76 views

Duration of System Update - Nexus 4 (after download) - 4.4.2 to 4.4.3?

How long is it supposed to take to install the system update, I think from 4.4.2 to 4.4.3, on a Nexus 4? I downloaded the 70 MB and after the phone restarted, it attempted to install the system ...
0
votes
0answers
202 views

Problem with System UI stopping

I have an Android tablet with Jelly Bean 4.2.2 installed. I downloaded an app onto it yesterday and then started seeing the dreaded "Unfortunately, system UI has stopped" error message pop up when ...
0
votes
0answers
28 views

Does Android indeed need defragment?

I have recently format(not just wiping) userdata partition on Note 2 N7100 and Tab 7.7 P6800. I also restore /data using nandroid and restore internal sdcard by manually copying files. I notice that ...
0
votes
1answer
29 views

Replacing the system partition without touching the kernel?

So I have an android phone that I'd like to put a clean rom onto, but it looks like there aren't any good kernels ported to it yet. I've done some reading into the android architecture, and come to ...
1
vote
2answers
404 views

Restore deleted system

I have formatted the system using twrp now I can't flash the stock rom on my galaxy s3 sprint. I am getting the file_getprop: failed to stat "system/build.prop" status 7 every time I try to flash the ...
0
votes
0answers
131 views

i have galaxy s anycall android version is gingerbread.i want to update it in jellybean.how? please help me [duplicate]

i have galaxy s anycall . model number is SHW-M110S.its android version is gingerbread .i want to update it in jelly bean.how?
0
votes
1answer
47 views

How to swap UI of a custom rom with other rom?

I have a custom rom which has Xperia like UI. It's very fast uses very less Ram. The other rom has Kitkat/Jellybean like UI but it has low performance as compared to Xperia UI like rom. I was ...
1
vote
1answer
2k views

Install adb enabled setting from zip

Is it possible to make a zip file, similar to the one that installs GApps, that stores ADB debug mode as a system setting? Maybe somehow modify a system bootup script to change the ADB debug mode ...
0
votes
2answers
109 views

what app/script is responsible for video media?

When podcast videos or youtube videos or flash videos play, what app is behind that? I'd like to be able to use that script/app to as a trigger for tasker to do something whenever ANY video is ...
0
votes
2answers
203 views

System App Permissions

I have an application that needs root permissions to run. No biggie, all of my personal devices are rooted, so I am very comfortable with the process. The problem is that this application is to be ...
2
votes
1answer
169 views

What Android parts do these terms describe?

Android users frequently use a lot of words with unclear meanings. In particular, they use these words a lot: Framework / framework-res.apk: What purpose does this structure serve? Flashing: What ...
0
votes
1answer
45 views

Where is the Home folder?

On my linux system I have a directory in /home where all my personal files and local program configurations are stored. Where does Android store that type of file?
8
votes
3answers
63k views

What is SNS App?

I'm using a Samsung Galaxy I551 with Android 2.2 FroYo. Sorry for my ignorance, but I have not idea what is that app (which came installed and without rooting can't be removed). And it is using 15MB ...
1
vote
0answers
84 views

What is the system APK that handles the calls in ICS?

I'm trying to figure out what system apk handles the calls in Android ICS? I've found that Messaging is the one for SMS, but what is for phone calls? The reason I'm asking is because I'm adding them ...
0
votes
4answers
5k views

I accidentally deleted my android phones system app

Anyone can help me on how to restore system apps like HOME.apk, i accidentally deleted it so the phone is stuck on boot, cant go to its home, my phone is a goophone4s thanks ...
0
votes
0answers
435 views

“can't read /etc/fstab: No such file or directory” when mounting system?

I am running CyanogenMod 7.2, and when I type mount system in Terminal Emulator, it gives me mount: can't read '/etc/fstab': No such file or directory What's wrong? It obviously can mount the ...
0
votes
1answer
289 views

Does Flashing Stock ROM in Odin Clear out the System Partition First?

Does Flashing Stock Samsung ROM in Odin Clear out the System Partition First? Options Used: No repartition, ROM put inside PDA slot I'm wondering because I suspect there may have been some malware ...
0
votes
0answers
193 views

Odin - flash only /system partition

Tablet Samsung Galaxy Note, already rooted with CF_Auto_root using Odin. I'm trying to make a custom /system partition. Only preinstall 2 apps and one native binary. Can I do that using odin? I ...
0
votes
0answers
67 views

How to change font for one alphabet [or language] only?

I want to change the font for one language only. For example, I want the English language to use font X, while Arabic language to use font Y. Can this be done?
0
votes
1answer
88 views

System Indicator icon, what does it mean?

What does it mean when the system indicator icon (red triangle with a white exclamation point in the center) shows up next to the phone number I sent a text to?
1
vote
1answer
282 views

Why does the system not recognize my fonts?

My phone is a rooted Nexus S running the custom ROM Replicant. I copied twelve font files comprising three fonts (Arimo, Cousine, and Tinos) from my computer to the SD card, used a root file manager ...
1
vote
1answer
958 views

rmt_storage keeps polling and spam logcat

In logcat I can see rmt_storage keeps doing something every 2/3 seconds I/rmt_storage(15279): rmt_storage open success I/rmt_storage(15279): rmt_storage shared memory ioctl success ...
5
votes
2answers
9k views

How do I install an apk as a system application?

I'm trying to install an application in the system/app folder of a device. It needs to be done since I'm writing a QAT program and the tests need to run with a few privileges not available to third ...
1
vote
0answers
3k views

Why does bad Busybox installation in /system/xbin/ cause problems?

I've got familiar with Android not long ago. Having almost no experience, I carelessly installed Busybox, and after that the system started resetting itself after each power-off. It also didn't allow ...
5
votes
1answer
4k views

Can I convert a system app to a user app, uninstall it, or move it to my SD card?

Is it possible to convert a system app to a user app and then uninstall it or move it to SD? I'm thinking about not critical apps, such as Astro filemanager (I use Root Explorer), Google maps, Google ...
1
vote
1answer
3k 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.
4
votes
1answer
3k views

Is there an internal memory test for Android devices?

I need to fix a friend's phone this evening that has suddenly produced loads of android.process.media and com.google.process.gapps errors. I am going to reinstall the OS as it's an older ROM but it ...
1
vote
0answers
2k views

Auto boot when charger connected (for HTC Magic)

I want to let Android OS to boot automatically when the charger connected (for HTC Magic) without pressing power button I found this guide: Complete boot when charging If your phone only gets one ...
0
votes
1answer
203 views

What might cause my phone to spontaneously stop booting into its custom ROM and only reboot into recovery mode?

My phone is a Samsung Vibrant running CyanogenMod 10.0 (Android 4.1.2). I rebooted my phone, as I do every few days, and instead of starting up CyanogenMod as usual, it dumped me into the ...
1
vote
2answers
392 views

Some /system/app disappear on app drawer! How to start an app not in drawer?

Android 4.1.2 Somehow the original Home launcher icon disappeared after OTA update, I'm not sure if it's the only app that disappears, but it's the most obvious when I'm testing other launchers. ...
2
votes
0answers
276 views

Music playback stops randomly

I have bought the Xperia ZQ (Xperia ZL's alias in Brazil) C6503. I am experiencing a very annoying problem: from time to time the audio playback in any audio app just stops. If I hit play again it ...
4
votes
3answers
1k views

Does the Android OS provide any overheating protection?

Apple iOS devices display the following warning and suspend operation should they overheat: Temperature [iDevice] needs to cool down before you can use it. Does the Android OS contain ...
0
votes
0answers
77 views

How do I keep my /system mounted as read+write all the time?

I'm running ChainFire3D and for some reason, the per-app setting doesn't seem to work at all. But when I set the default setting itself, it works. I saw that one of ChainFire 3D's requirement is for ...
13
votes
2answers
16k views

How can I deal with unwanted system applications without rooting?

There are a lot of system apps in my mobile that I do not use, and have no intention of ever using. I know that is is possible to uninstall system apps and bloatware with root, but is it possible ...
2
votes
2answers
15k views

How to manually disable or hide the system bar (menu bar) at the bottom of the screen?

I am using an ASUS Transformer TF300 with Android 4.1.1, and there is an app that shows the playing cards at the bottom of the screen, and show the "Continue" button when the card game is finished. ...
2
votes
1answer
4k views

How to give root access to apps that don't request it?

I've been using the app SystemPanel for some time now to archive my Android apps. It works great, but it cannot archive apps that have been installed under /data/app-private, because this directory ...