A System app is an app which is placed under /system/app folder in an Android device. As /system is read-only, such an app cannot be uninstalled by an "ordinary" user.

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22
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2answers
22k views

Enable and disable system apps via ADB

Is there any adb command to enable/disable a system app? Thanks
17
votes
4answers
44k views

How do I properly install a system app given its .apk?

I removed a system app (com.android.mms) and I have the .apk needed to restore it, however it won't install through the standard channels (running the .apk gives me "application not installed"). ...
11
votes
1answer
7k views

How do you disable system apps in Android 4.x.x (and up)?

I heard you can "freeze" or "disable" system apps starting in Android 4.0 without rooting. How do you do it?
8
votes
2answers
6k views

Install DSPManager on a non-CM Rom

I would like to install the app DSPManager from Cyanogenmod on my Nexus 4 running ParanoidAndroid. I grabbed the newest CM and extracted "/system/app/DSPManager.apk" and "/system/lib/soundfx/*" and ...
7
votes
2answers
679 views

What is the advantage of making f-droid a system app?

F-droid (0.7) has two options: One to grant it "root" powers, and another to give it "system-app" powers. Just using it as a "root" app will let it install apps without going through the whole "Are ...
6
votes
3answers
11k views

Is is safe to remove the stock email and calendar app on Cyanogenmod or AOSP?

Is it safe for me to remove the stock email and calendar applications on from Cyanogenmod ROM? I'm using Gmail and Google Calendar so I don't have need for the stock ones. I could simply disable them ...
6
votes
3answers
3k views

Can SwiftKey be moved to the system partition?

I want to move the SwiftKey app from my standard user partition to the system partition (I have root). I am able to use Titanium Backup or Link2SD to turn an app into a system app, but anytime I try ...
4
votes
1answer
91 views

Majority of apps deleted themselves (including Google Play services) on a Samsung device

My Samsung Galaxy Note 3 has developed an interesting fault. It happened one evening, after the phone shut down due to low power. Its symptoms: It has deleted (or appears to have deleted) most of ...
3
votes
3answers
13k views

Re-enable Disabled App (Enable option greyed out)

I disabled my default Messaging app some time ago, but now I need to Re-enable it, but when I go to the Disabled tab under Apps, the option to Enable it is greyed out.
3
votes
2answers
4k views

I have less than 40 apps (including system apps); What else can I remove?

I'm trying to remove as much bloatware as possible, but there is no information about some of them on Google. Here is the list of apps I'm not sure what they are for: com.android.provision ...
3
votes
1answer
2k views

What is the difference between Android user app with root access and a system app

The answer I am looking for is in the aspect of permissions. Can a system app do everything? Can a user app with root access (on rooted device) do everything? If so, are they the same? For example ...
3
votes
1answer
8k views

What is this “com.android.backupconfirm”?

What is the package on my phone that is called com.android.backupconfirm? I tried Googling and found an answer on a random forum that said that is the UI for the backup confirmation dialog. While this ...
3
votes
1answer
156 views

Differnce between abilities of System apps, Apps in phone memory and Apps in the SD card [duplicate]

Possible Duplicate: What are the differences between a system app and user app? What is the difference between abilities of System apps, Apps in phone memory and that in the memory card? ...
3
votes
1answer
85 views

Apps disappear after restart

After an android update, my apps disappeared. The apps cannot be seen in the apps list, and they are seen as 'com.something.something' in the settings app manager. Some of the apps are not in the SD ...
2
votes
1answer
7k views

How can I install Touchwiz apps on Cyanogenmod? [duplicate]

I would like to know how to install Touchwiz apps on Cyanogenmod 12.X.
2
votes
1answer
35k views

MTK Logger, MTK Android Suite Daemon, and omacp

I've got an Acer E380 running Android 4.2. I suddenly seem to have a load of "apps" in the Settings > Apps > All list, such as: MTK logger MTK android suite Daemon omacp, and others These all have ...
2
votes
3answers
28k views

Will factory resetting wipe/clear away pre-installed apps?

I linked my Gmail account to my tablet and I longer want it linked. I have read that it is permanently linked, and I must factory reset the device to unlink the account - is this true? Will factory ...
2
votes
2answers
1k views

Detect when an app crashes with tasker and force close it and finally launch it again

On my phone the app Bluetooth Share crashes randomly. With Tasker I want to be able to detect that crash, and then force close Bluetooth Share and finally launch Bluetooth Share again. (Or turn on ...
2
votes
1answer
10k views

Make “tap to add priority senders” disappear

I have recently updated the OS of my phone, and since then I have the following "Tap to add priority senders." on my SMS app which I don't like, it just uses screen space. How can I remove it? ...
2
votes
0answers
148 views

SystemUI/lockscreen malfunction on DROID Turbo

I have a Motorola DROID Turbo running Android 5.1, unrooted, and I cannot unlock the phone because the lockscreen does not appear. This problem started occurring after the phone ran out of battery and ...
2
votes
1answer
339 views

Unknown Permissions on VirusTotal analysis

I have noticed unusual and unwanted behavior from a few of my system apps, most notably Google Play Services, Google Account Manager, and Google Services Framework. These apps cause force closes on ...
2
votes
0answers
481 views

Reinstall system apps after removal

I rooted my phone and, perhaps over-zealously, removed many of the system apps which I deemed junk. But, now I'm trying to restore one of the apps I removed, but simply restoring the file to the ...
1
vote
1answer
237 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 ...
1
vote
1answer
61 views

Does uninstalling updates to system apps wipe the data for it?

Non-rooted users can't uninstall system apps but are able to uninstall updates to them such that they are reverted to the base version of the app that shipped with the system image. When a user does ...
1
vote
1answer
141 views

retrieving and classifying Notes with time and date of creation

I wrote hundreds of messages in 'Notes' of my smartphone (the system app), and I would like to retrieve them and put them in a CSV file, (or Excel) with one column for the content of the message, and ...
1
vote
1answer
346 views

Modifying android system apps

Does anyone know a good articles or tutorials explaining how to go about it? Do I need to recompile android sources after modifying system apps and then install them on my emulator device somehow? ...
1
vote
1answer
4k views

Icon remains in drawer after removing stock app

I removed Google Drive from system/app using Root Explorer. However, when I check the app drawer, the icon is still there. (When I removed other system apps like samsung's ChatOn, the icon ...
1
vote
2answers
2k views

People app disappeared from apps on Nexus 4

It's a system app, but somehow I disabled it. Now, it won't show me my contacts or anything. If I try to see a missed call from notification drawer, it leaves me at home screen. I cannot view any of ...
1
vote
1answer
39 views

A way to automate the creation of flashable ZIPs

So, my question is: is there a way to automate the creation of flashable ZIP archives, in order to avoid having to write the updater-script and update-binary by myself each and every time I want a ZIP ...
1
vote
1answer
41 views

Any way to disable Slide to Call/Message?

Is there a way to disable the Slide function to call/Message contacts in Phone on Lollipop 5.1.1? My phone specs: SM-G925F Android Lollipop 5.1.1 Thanks in advance!
1
vote
1answer
57 views

Making an applications stay on the phone “permanently”

I would like to be able to make an Android application remain on the phone even after a factory reset and/or a system upgrade. Some people suggested that the way to accomplish this is to root the ...
1
vote
1answer
2k views

Lg g3 smart cleaning stops working occasionally

I use LG G3 and I periodically cleanup my phone with the inbuilt smart cleaning but from 1-2 weeks now when I click on delete temporary files the app stops working and every time I try to do that it ...
1
vote
1answer
1k views

Installing system apps on Android 4.4

I've installed apps on the system partition on Android 4.1 and it's as easy as moving an APK to the /system/app/ folder and restart the device. The PackageManager (I assume) will recognize a change in ...
1
vote
1answer
131 views

What Could Cause System Apps to Run that Are Not Used

When testing a widget I created, I wanted to make sure that it uses as little CPU power as possible. After some research I downloaded Watchdog to use as a monitoring tool, which works great. When I ...
1
vote
1answer
170 views

Uninstall via adb without root

I own an Asus Zenfone Go Z00VD running Android 5.1. It came preinstalled with TrendMicro Dr. Safety, which I absolutely have no use for and do not want running at all. This app starts itself ...
1
vote
0answers
144 views

How to restart a system app from the command line?

After deploying a new APK for a system app, is there a way to restart the app process without rebooting the device? Non-system apps are managed with the Activity Manager through the am command. There ...
1
vote
0answers
223 views

Convert to system app by manually moving the APK to “system/app” folder in Lollipop

I was checking /system/app folder structure in Android L and realized that it has a new folder structure. It has introduced a new folder with APK name between app folder and the APK, e.g. ...
1
vote
0answers
169 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. ...
1
vote
0answers
79 views

System app was not signed correctly

My phone shipped with an outdated version of TouchPal. When I try to update the app through the Play Store, I get this error: Package file was not signed correctly. Uninstall the previous copy of ...
1
vote
1answer
736 views

Motorola moto 4g, battery drain, always high media server actitivity

I recently bought a motorola moto 4g, and I quickly noticed that the battery is going low very fast! With no use at all, it's going down 15% percent per hour... The mediaserver is always taking up ...
1
vote
0answers
4k views

How to install system app on Lollipop as su doesn't exist

I want to install a system apk (its the Dialer.apk) on Lollipop and am following these instructions How do I properly install a system app given its .apk? However after doing adb shell I get an ...
1
vote
1answer
1k views

Permission denied while installing a system app with SSH

I have the APK file for an application I want to install as a system application via SSH on rooted Android tablets. I'm able to install this application via ADB with a script but the installation ...
1
vote
2answers
4k views

Delete pre installed apps under oem/apps folder?

I have already rooted my android tablet. I am able to access internal system locations e.g. data/data/com.example.src. However, I am unable to delete aps's under oem/apps folder. I have already tried ...
0
votes
3answers
448 views

How to reinstall the uninstalled system apps (that arent availble on Google Play)

What if you accidentally deleted some important apps and couldn't install them back because Google Play doesn't have them? For example android system, com.android dun server and com.android.lgsetup ...
0
votes
2answers
2k views

Help me reinstall Gapps in my Rooted Xperia SP

Recently, I rooted my Xperia SP (running on Stock Jellybean 4.3). Out of excitement, I uninstalled a few Google Apps (gapps) from my phone. But I think I require the Play Store. How can I reinstall ...
0
votes
1answer
533 views

How to disable system apps, or controll which apps launch automatically?

I've been having this problem where the Navigation app launches every 10 or so seconds. I've heard this is because some pins are short-circuited. I've tried to install 2 apps that should make this ...
0
votes
1answer
290 views

F-Droid 0.91 disappears after being installed as system app on cyanogenmod 12

I tried to install F-Droid (0.91) as system app on Cyanogenmod 12. The installation succeed but after that the F-Droid icon disappears. Of course i tried to restart more times, i tried also to ...
0
votes
3answers
4k views

How can I update a system application without re-installing the OS?

I have create an application and installed it to a device in the Android system image. Now I have added some new features to my app and I want to update my current install app with that new ...
0
votes
2answers
751 views

App that survives a factory reset

My problem is theoretical at this moment. I am investigating if it is possible or not, before spending hours on it. I have a rooted phone. I want to add an entry to the IPTABLES on startup. If the ...
0
votes
1answer
53 views

System apps location on Android Jelly Bean

I chose to pose this question here, since I don't have any Jelly Bean device nearby. On Android KitKat, system apps are located at /system/priv-app/. On Lollipop and Marshmallow, instead, they're ...