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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an android display (like the ones seen in walmart) and it has surelock preinstalled

the display has an sd card that contains the html and video files for the application it locked to. when you start the device it goes directly to the application. the html files can be put on any sd ...
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30 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 ...
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12 views

what to do when the mobile (lenovo A316i) is already rooted and accidentally you delete a system application and it stops working [duplicate]

what to do when the mobile (lenovo A316i) is already rooted and accidentally you delete a system application and it stops working
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2answers
82 views

Android System problem - Unable to share files, do factory reset

I am using a Micromax P362 tablet with Android 4.1 Jelly bean (rooted). This problem occurred a month ago. The app named "Android System" appeared in the 'Downloaded' section of apps. Yet it is not ...
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27 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 ...
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70 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. ...
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51 views

Can I fix the issues I'm experiencing with applications by factory resetting the device?

I have LG Prada 3.0 P940 running Android 2.3.7 Gingerbread. I am experiencing a growing number of problems with apps, including system apps. For example, I used to use the ROM Toolbox app without any ...
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148 views

Lollipop 5.0.1 RAM usage

How much should Lollipop use RAM memory on avarage? I find it very strange for it to use 500mb of RAM, but when i restart it it only uses about 150mb with all the same apps used. My phone is LG MAGNA ...
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93 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. ...
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1answer
80 views

How to put signal and wifi signals on left leaving battery and notifs on right

Here is what I want my status bar to look like. edited from photo below Here is my status bar now. Im new to this android stuff. All I know is i need to decompile my SystemUI.apk and ...
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1answer
88 views

Droid Explorer wont change anything (Delete, Paste, Uninstall)

I want change files in root but I can't. It can't delete any system file (No change). It can't add any file in system/app or anywhere in root! It can't uninstall any system app from system/app. (Droid ...
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87 views

XOLO Q600s ADB Android Device Unauthorized

Few days back I rooted my XOLO Q600s with the help of Kingo ROOT and removed System UI. :) Now I am not able to see Notification Bar, Lock Screen, Wall Paper. I have removed all the applications ...
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1answer
2k views

System app Uninstallation without rooting

How to Uninstall system apps without rooting? I have tried many applications but all of them require root permissions. Please help.
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0answers
166 views

What is “Assistant 1.0” app and how do I get rid of it?

I have MetroPCS and a ZTE ZMAX Z970 phone with Android 4.4.4 This app appeared, I don't know exactly when, and it's got some worrisome permissions and I want it off my phone, but it has no uninstall ...
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1answer
69 views

Software to monitor file owner

I have one file which appears from time to time on /sdcard and it grows large and eventually eats up all available space. Need to find out the application which opens this file and keeps it growing. ...
2
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123 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 ...
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44 views

Vodaphone 875 Uninstall SuperSu

I own a Vodaphone 875 model phone, which I rooted previously using Cydia Impactor. Installed SuperSU, everything was fine and dandy, and when I needed to transfer it to another person who wasn't ...
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327 views

“Calendar Storage” uninstalled. Calendar doesn't work

I had uninstalled the "Calendar Storage" system app from my device. Now I cannot use my Calendar Application. I assume this because I had uninstalled Calendar Storage. I haven't got any backup for ...
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0answers
11 views

How to delete an stock app in Samsung Galaxy Grand Prime? [duplicate]

I have a rooted Samsung Galaxy Grand Prime (SM-G530H) running Android 4.4.4. I would like to gain more memory space on device. I can only disable not necessary (for me) stock apps, but nothing changes ...
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1answer
201 views

Is there a way to reinstall a built in application in my Android phone?

I accidentally (unknowingly ) disabled built in apps, I recently realized that I really need a few of them back. How do I reinstall them or bring them back?
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1answer
193 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 ...
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1answer
146 views

Is it possible to uninstall stock apps in Sony Xperia E3 Dual? [duplicate]

My device has 4GB of internal Storage, but it only shows 2GB. Apps have taken 1.7GB of space alone. Any idea for how to uninstall the stock apps such as as Hike,Line, and others. The only option I ...
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1answer
174 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 ...
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1answer
55 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 ...
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1k views

Notification “not enough system space” appears when using Internet in Vivo Y15

When I surf the internet in my Vivo Y15 I see a notification "not enough system space". I cleaned the cache and system trash in my phone, but the notification still appears. How do I resolve this ...
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1answer
103 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 ...
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1answer
451 views

Copy YouTube APK from Android Phone to PC

My Question is specific to copying the YouTube APK file from My Android device (Micromax Canvas 4 - Android 4.2, Non-rooted device)to PC/Laptop. The YouTube App is a system app in my device. Below ...
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2answers
756 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 ...
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1answer
256 views

Help I accidentally removed the Media Scanner

A couple of hours ago I was cleaning out unnecessary apps on my phone (LG G3) using 3C Toolbox when I must have accidentally removed the app responsible for scanning my media. The Gallery & Music ...
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1answer
201 views

Will removing /system apps give any usable space on lollipop?

In earlier versions I've pushed updated apk's to /system manually from time to time as it annoyed me to have an extra older version of Google+, Play store, Youtube, Keep, actually ALL the preinstalled ...
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113 views

Lenovo S960 Missing stock battery saver app

I am a Lenovo s960 (Vibe X) user with root access. I uninstalled my stock battery saver app and now I seriously want it back. I checked on the internet but nothing worked. I even did a factory reset, ...
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336 views

Google Settings “Unfortunately, Google Play services has stopped.” on Chinese Samsung Galaxy Note Edge

Recently I got an Samsung Galaxy Note Edge from China. Sadly it doesn't have any Google services, even Google Play store on it. I tried almost every tutorial I can find, but it still doesn't work ...
2
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1answer
257 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 ...
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3answers
615 views

Convert to system app using Link2SD doesn't work on CM11

I am using Galaxy Y (S5360) with CyanogenMod 11 build date Feb 2015. Previously on stock ROM, I was using Link2SD to move apps to system/app. Trying to do the same now is giving the following error. ...
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3answers
2k 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 ...
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89 views

System App - Extra privileges, Read Only file system permission

I would like to read wpa_supplicant.conf file on android system that stores saved wifi network details along with credentials. The file is available and as a super user on a rooted device i can read ...
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1answer
1k 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 ...
2
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1answer
6k views

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

I would like to know how to install Touchwiz apps on Cyanogenmod 12.X.
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73 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 ...
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1answer
168 views

How to get back system apps?

Recently i ran into a problem, i have linked all my apps including the system apps to the External partition using the link2sd app. unconsciously, i have taken the memory card and formatted the whole ...
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1answer
24k 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 ...
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1answer
398 views

How do app updates work if the system partition is read only?

I have a Android phone (Samsung). It comes with a whole bunch of pre-installed stock apps. Q1: Is it correct that these stock apps are stored in the read-only partition /system? Since getting the ...
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1answer
88 views

Trigger re-read(or update) of (System)App database

System apps or apps in general are capable of storing information within a database. My problem is now: for example the Launcher app does store settings like the amount of apps and their position on ...
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1answer
694 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 ...
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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 ...
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22 views

How to save an ISO (or similar) of a whole Lexibook tablet (Android SO)? [duplicate]

A friend has 2 Lexibook android tablets (kids' tablets). One is completely clean and the other is fine. He wants his clean android to be exactly the same as his good one. How does he copy? I got ...
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2answers
608 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 ...
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1answer
627 views

Delete unused apk files from system memory

I own a Xperia M running on Jelly Bean 4.3. I have uninstalled unwanted apps like PicsArt, Cricbuzz, Xperia privilege and so many so on... a long time ago. Now I found the apk files of those apps here ...
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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 ...
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1answer
271 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? ...