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

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7
votes
2answers
3k views

Is it possible to write to a device's clipboard using ADB?

I am interested in learning how to write to (and if possible, read from) a rooted Android device's clipboard. I hope to do so using ADB over USB and I am not interested in installing any apps to help ...
11
votes
5answers
8k 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, ...
0
votes
1answer
50 views

How to reset your Android system folder

I've done some messing around with root and I want to just restore my galaxy s4 to how it was when I first got it. I've done "factory resets" but all it does is wipe data. I need to restore my system ...
0
votes
0answers
13 views

My HTC One froze on the htc screen when rebooting after installing the lollipop update.

I don't know if the update fully installed. How do I get the phone to restart? It is completely frozen. I don't want to lose my photos and messages that haven't been backed up yet. Biggest concern ...
14
votes
2answers
22k 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 ...
4
votes
3answers
162 views

How does a phone store date and time even when the battery is removed?

I have seen android phones which do not ask users to set the date and time even if I remove battery and reinsert and start the phone. If I have a SIM card inside it, I understand it fetches date and ...
0
votes
0answers
37 views

Reboot does not run at all

I followed this piece of command copied from this site http://forum.cyanogenmod.org/topic/82875-installing-cacert-certificates-on-android-as-system-credentials-without-lockscreen/ importing the ...
0
votes
1answer
33 views

Clearing System Storage & Ram

Is there any other way to clear System Storage and Ram on my phone? I have a Samsung Galaxy Pocket. I can clear some Ram thru Task Manager, and all apps (that will allow it) have been moved to the sd ...
1
vote
0answers
3k 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
4answers
12k 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
39 views

Updating the system app “messages” on 4.2.2

On Aptoide there was an update for the system SMS app Messages. I updated,and it continually crashed so I uninstalled the updates and reverted to factory. It is now at the bottom of the Settings / ...
9
votes
3answers
17k views

Is possible to make symbolic links in the android filesystem? (and how?)

Is possible to make symbolic links in the android filesystem? (and how?) Thanks in advance :) . (My Android version is 2.1 , i'm using Motorola Defy)
11
votes
4answers
100k 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 ...
15
votes
3answers
16k views

What's the meaning of signal strength colors in battery usage screens?

The battery usage screen has an indicator for "Signal strength" that, instead of being blue/black like WiFi, has many colors: green, gray, yellow. What's their meaning?
0
votes
0answers
50 views

Minimum set of apk in /system for S2 boot and a minimum launcher

So, basically, I have root access on my S2. The phone is GT-I9100, with Android 4.1.2 Build Version: JZO54K.I9100XWLSD I can remount the system partition rw, what I want to know is: If I do a backup ...
1
vote
2answers
675 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. ...
4
votes
1answer
3k views

What is “Android Night Mode”, what triggers it, and what are the consequences?

I've just been reading in the tasker UserGuide on variables: Night Mode %NIGHT The current Android Night Mode. One of on, off or auto. If auto, Android will decide whether it should be in ...
0
votes
0answers
18 views

How to Check the System If There is Something Wrong?

How to run sfc by administrator on windows 7 /vista: Go to Start / All Programs / Accessories. Right click the Command Prompt item and select the 'Run As Administrator' option. Click Continue on ...
0
votes
0answers
198 views

How to enable USB diagnostic port in an android phone?

Currently we are developing a LTE software which need the information from the Phone using QXDM tool.As of now,Most of the USB dongles and mobiles which i bought are having ROM with USB diagnostic ...
0
votes
1answer
21 views

my Samsung phone says it doesn't have a rooting system, in laymens terms, how do I fix it

I installed a memory booster/ security device on my Samsung recently. I have always wondered if I actually need all this hardware and apps in my phone. Now it tells me I can uninstall some apps , when ...
0
votes
1answer
18 views

having problem with my lockscreen [duplicate]

I have tried everything, Knox is on, Android device manager is on and its still not working.
0
votes
2answers
22 views

system files application

How to open/access app file folder such as; device;sdcard;emulater0; sdcard emulater; and what do they mean? when i try to open them it says "doesn't have app to view" What is a good app to get to ...
4
votes
0answers
794 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 ...
0
votes
1answer
456 views

update.zip just for fixing file permissions, possible?

I soft bricked my colorfly g808 by following this guide (Japanese) http://bl.oov.ch/2012/12/android-421-mvno-sim.html I didnt do it using adb shell but using a terminal emulator in the phone itself, ...
0
votes
0answers
812 views

Permissions for /system/etc

I was trying to enable writing titanium backups to the SDCard by editing the file: /system/etc/permissions/platform.xml However I was not paying attention and now everytime I boot up I get spammed ...
0
votes
0answers
178 views

Error: “read only file system” on rmdir

I have problems with my Google Play so I tried to solve them from this blog, You gonna need Android Terminal Simulator or equivalent terminal app. This will also require your Android rooted. ...
1
vote
0answers
5k views

Is there a list of android system status bar icons?

I'm not sure what some of the status bar icons mean on my Android Nexus 5 device (I'm referring to the icons in top right of screen, adjacent to the time). I've googled frequently but I keep getting ...
0
votes
0answers
273 views

system app not working

I have a widget to turn data connection on and off. Since I upgraded my Nexus 4 to Lollipop, I get the message "widgetsoid needs to be installed as a system app" So I rooted the phone, moved the apk ...
0
votes
0answers
49 views

Flashed system partition differs subtly from system.img

When I flash my Nexus 7 2013 with a rebuilt aosp system.img using fastboot, the data in the partition (as read back by dd) is very slightly different from the system.img data used to flash it. A block ...
1
vote
1answer
4k 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 ...
0
votes
0answers
127 views

adb over ssh tunnel

is there a way that I can tunnel adb or a ssh shell over the mobile network to my server were I could preform commands on the phone i.e phone is sitting at work and I log in to server at home to ...
1
vote
0answers
564 views

Update last checked ^ 1

When I navigate to settings -> about tablet -> system updates, it tells me updates were last checked "^ 1" instead of giving a date and time like I expected. Clicking on check now does apparently ...
0
votes
0answers
74 views

My platform.xml is not working and storage and internet wifi etc are not accessable anymore

I was trying to modify my platform.xml to give access for writting to External SD Card.and I got into an another problem mistakenly I deleted the platform.xml file and now when I restarted my phone so ...
1
vote
0answers
39 views

Installing a font in android [duplicate]

I have a TTF font file which I can double click in windows and click install and that font gets installed. But in case of Android Putting TTF in /system/fonts alone doesn't help Using font changers ...
3
votes
2answers
5k 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
13 views

Duplicate Provider Authority problem downloading Facebook [duplicate]

I can't download Facebook from Google Play. After it finished downloading, and started installing, a pop-up message showed Duplicate Provider Authority. How do I fix this?
0
votes
0answers
248 views

How to turn off or disable text font anti aliasing or smoothing globally or just for one app?

How do I turn off font smoothing globally or just for one app like firefox? Can it be done with a mod like cyanogenmod or xposed framework?
-1
votes
1answer
610 views

Google account login error [duplicate]

my google account and password is correct but it keeps saying you entered the wrong password or your account has changed. it still has me logged in on the email but this error sign will not go away.
1
vote
2answers
146 views

Why are apk files are kept in system folder?

Isn't an apk files just an archive which is unpacked when you install a package? So, why should it be kept then?
4
votes
3answers
3k 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 ...
1
vote
1answer
340 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
7k 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
1k 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 ?
0
votes
0answers
132 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, ...
2
votes
0answers
583 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
88 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
1answer
410 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 ...
10
votes
3answers
22k 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 ...
32
votes
3answers
28k 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
120 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 ...