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

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6 views

please help zenfone max

im new here.. So on with the problem.. i. Bought Zenfone max yesterday.. it showed a system update of 396 Mb.. SO i updated it 4 hrs.. Earlier i went into Csc mode (power buton+vol up).. i didnt do ...
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0answers
17 views

The amazing expanding “android files”

Guys, I've got a Galaxy S7 Edge (Exynos version) which just received an update over the weekend from Samsung. Since then, I've had a really weird issue with the phone suddenly telling me that all ...
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0answers
15 views

Lock/sign Android OS from being changed

I want to set up an Android device in a way that all data is encrypted and the OS cannot be changed. I thought about fully encrypting all files including the system partition (like BitLocker). ...
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0answers
34 views

How to make android application as preinstall application?

i am using the command adb push 'application_name.apk' /system/app/ . this command push the apk in the /system/app/ folder of emulator from my computer directory . and an icon is created on the ...
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0answers
15 views

Can't boot after replacing system.img [closed]

I am working on a custom android device using the i.MX53 board from NXP (formerly Freescale). I have the OS source code, various intermediate files, and the final resulting files once produced by ...
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1answer
2k 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, ...
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0answers
25 views

Creating a multipartition bootable SDcard manually

I'm trying to create a bootable sd card for an embedded board from Android images for various partitions (bootloader.imx, boot.img, recovery.img, and so on). Each of these images has to be written to ...
1
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2answers
228 views

How to move SMS from hangouts to messenger app

My Nexus 6p has 2 messaging services. Google Hangouts and the stock Google messenger app. I usually use the Google messenger app to send SMS, but the problem is that the message they respond with ...
1
vote
1answer
104 views

Resizing /System Partition on Galaxy S2

I am trying to resize my /system partition on my Galaxy S2 and as soon as I partition /system using various sizes I lose all of the mobile data connectivity & IEMI number is invalid (missing) ...
1
vote
1answer
47 views

Lenovo Tab 2 Partition Layout

I own a Lenovo Tab 2 A7-20f. When I try cat /proc/emmc: partno: start_sect nr_sects partition_name emmc_p1: 00000400 00000002 "ebr1" emmc_p2: 00004800 00005000 "protect_f" emmc_p3: 00009800 ...
0
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1answer
33 views

How do I replace an uninstalled system application

I mistakenly uninstalled my Download Manager 4.4.4 in my Samsung Galaxy Grand prime G530H. A system application. I tried replacing it with a Download Manager 2.3.5. I did that by using a file explorer ...
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0answers
826 views

Turn off power notification sound on LG G2

I've got an LG G2 (Verizon) and I'd like to turn off all the notification sounds for when I plug in my phone, when I unplug it, and when it gets to full power. I've turned the system notification ...
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2answers
133 views

Remove a folder I created in /system/lib

I have root access and am able to remount. I created a folder in /system/lib/ named rfsa, but I don't know why I cannot see or open that folder. When I type ls, it is there. But when I type ls -l, I ...
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0answers
25 views

`system_server`: segmentation fault (keeps crashing and restarting in endless loop). How to track down?

On my device, system_server keeps crashing (and beeing restarted) in an endless loop, not allowing me to use the device other than via shell via adb via USB-cable. It just started to happen, while I ...
5
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0answers
86 views

How to get to know via command-line/adb where boot process hangs?

Question: (How) is it possible to get to know via adb where exactly a booting-up android device is hanging? My problem/ background information: I recently did changes on the automatic display ...
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0answers
55 views

How to edit /system/bin/lpr in Samsung S4 i9295 running 5.0.1 Lollipop

How do I edit /system/bin files in Android since after 4.x? Has something changed? I seem to recall just opening the file playlpm on the device in a text editor and seeing and making needed ...
0
votes
1answer
73 views

1.5 GB in space used for system without installing any apps after using super su-me

Hello everyone I used to have kingroot installed on my device and for some reason I thought it will be better to have super su so I downloaded super su-me and as promised it did remove king root and ...
0
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1answer
1k views

Extract & repack system.img for Nexus 5 lolipop

I'm following this link to extract; make some changes & then repack system.img which is present in nexus 5 image. (Version Tag android-5.1.1_r9) The guide works for 4.1.1, but not for 5.1.1_r9. ...
0
votes
1answer
45 views

Function of directory /Android

I just deleted the directory /Android from the external card. It gave me 20GB memory back. So far I haven't seen any bad effects. At least not during the first 5 min of testing including restart. I ...
0
votes
1answer
3k views

3G and wifi tweaks explanation required

Where ever I check for build.prop tweaks to enhance 3g or wifi connectivity I see this tweak , can anyone explain what these values are exactly? what is "ro.ril.hep" means ? why given the ...
4
votes
0answers
1k 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 ...
-1
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1answer
65 views

Where are selected ringtone configuration is stored?

I would like to know where the selected ringtone and notification sound is stored. I know that the ringtone files are stored in /system/media/audio/. What I'm trying to figure out is where the ...
3
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0answers
140 views

Is it possible to change values in build.prop without editing it?

I want to change the line ro.build.type from user to userdebug in /system/build.prop to enable multiwindow. But this modifies the /system partition and will prevent OTA updates (and some apps) from ...
1
vote
1answer
718 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. ...
4
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1answer
24k views

How to mount /system rewritable or read-only? (RW/RO)

How can I mount the /system directory rewritable or read-only on my Android phone?
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2answers
288 views

Disable Touchwiz launcher on a rooted Samsung Device

I used Samsung Tabs 3 and 4 for a product and have been searching for ways to disable permanently the Launcher of Samsung's Touchwiz application (leave the rest as it is). I've found only two ...
1
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0answers
57 views

Why can I write to a read-only system partition?

I have a rooted phone running android 4.4. When I check the output of 'mount' it says system is read only. My root file manager or terminal can't make any files or folders there, though only the file ...
0
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1answer
841 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...
0
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0answers
87 views

moto g2 system update problem

My moto G2 device is running on Android 5.0.2. I can't update the system software while on the mobile network. When i an trying to update it's notifying "system update is available in home network ...
0
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1answer
73 views

Change system app permissions through ADB

I`m new in the Android world and have my first problem. I have try to change the default launcher on my android tv stick (mk808b Android 4.4.1). And now the problem. I have set the permissions with ...
0
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0answers
49 views

Phone's inbuilt memory usage goes on increasing, What are the possible solutions?

I'm using Asus Zenfone 2 - 2 GB RAM & 16 GB in-built memory with lollipop 5.0. It was going good since last system update, but after doing last system update in-built memory usage went on ...
0
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0answers
345 views

Manually place CF SuperSU files on System.img(unpacked)

Is it possible to manually install SuperSu on unpacked System.img. I can't install a custom recovery on Phone: Samsung Galaxy S6(Clone) MT6572 Model: ALPS.KK1.MP6 .V1 Board: P725_MB_V1.2 94V-0 ...
1
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1answer
88 views

How to use an older version of an application?

I was using an application. Then the multiplayer mode stopped working, so I decided to reinstall it. After I uninstalled the app, I realised that an update had been made and my Android version is too ...
1
vote
1answer
579 views

System UI constantly crashes after installing incompatible theme on CM13

I installed a theme on CyanogenMod 13 that is incompatible. Now my System UI keeps crashing. I can't find it with the file manager. How can I delete the theme? Is there any way I could fix this ...
4
votes
1answer
295 views

Real root can not change any thing on /system original files!

On my rooted device running Android 4.2.2, I have following tools installed: Terminal Emulator BusyBox Free On Terminal Emulator, su command successfully changes user to a real root: ...
0
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0answers
45 views

Where are Androids’ developer options stored?

Can anyone please tell me, where Androids’ developer options are stored? I’m trying to modify the Pointer Location developer option in this file. After recompiling Android, where is the file ...
0
votes
1answer
134 views

no system partition - lost adb connection while updating

I was updating my Nexus 10 tablet - had gotten to the system partition - when I lost the ADB connection. I've since learned that's a problem with newer Macs (I was connected to Windows through ...
9
votes
1answer
482 views

Do Android devices make active or passive scan when looking for WiFi AP

I would like to know if Android devices make active or passive scan when looking for the AP to connect. I've already made a test using Wireshark and wifi sniffer and it seems that while an iPhone ...
1
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0answers
494 views

What system data can I purge from my LG Tribute Android phone?

I own an LG Tribute Android phone, with Virgin Mobile service. The phone has 4 GB of storage and despite the fact I only have a handful of apps installed (Acrobat Reader, Starbucks, OpenTable, Skype, ...
4
votes
1answer
1k 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 ...
3
votes
0answers
51 views

Is there a way to set a time frame for updating applications?

I would like to know if there's a way to limit when the applications are updated by the system. For example, I set the system to update applications only between 00:00 and 03:00. If an app has an ...
4
votes
1answer
7k 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 ...
1
vote
2answers
129 views

I deleted too many system apps but I made backup.. My tablet stuck on android logo

A virus similar to monkey test that I almost solved the problem with Titanium Backup app until I deleted too many system apps. Now my tablet stuck on android logo. However I backed up all apps with ...
0
votes
0answers
36 views

I need to access the “system disk” on my Android phone from my laptop

I need to copy text messages from an Android phone to my laptop. When I look at the contents of my Android phone from my laptop through a USB connection I can only see and copy the "local disk" ...
8
votes
1answer
21k views

What is the use of Android System WebView?

I have seen some Android phones where this application comes installed on the device. What is the use of this application? (Click image to enlarge) Does installing this app have any advantage on ...
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votes
4answers
10k 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.
0
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0answers
115 views

Android 4.4 update to 5.1

I have a Moto G that was originally formatted for Boost Mobile. I had it flashed to Verizon/PagePlus, and it currently has the KitKat operating system. Recently i got a notification of a system ...
4
votes
2answers
519 views

How to handle multi-keycode keys on Android with a bluetooth keyboard?

I have a Microsoft Mobile Wedge keyboard. I've connected it to my Nexus 9 and after setting the language in the settings it works almost perfectly. Almost! There are 4 keys on it that don't work, ...
0
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0answers
29 views

Silent, non-obstrusive system tray pop-ups on schedule?

Anyone know an easy way to set a recurring alarm that doesn't (1) wake up the phone, (2) make any noise, (3) vibrate? I essentially want a reminder to populate that I will see when I turn on my ...
1
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0answers
166 views

What is android.process.acore?

What is the purpose of android.process.acore? I see many, many questions about acore-related error messages and how to fix them, but not really anything about what the process is in the first place. ...