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Questions tagged [system-apps]

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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Banking auth popups without Wifi & data

I was suppriced to see the popup appear from my online banking authentication system(like notification popup, word of the day and personal password). I have a fresh install firmware and the android is ...
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1answer
70 views

How to remove a persistent malware that downloads unwanted apps?

Some months ago, I purchased an Azumi cell phone from an official store in a shopping mall in Mexico and subsequently discovered its firmware contains a ton of malware. The malware connects with a ...
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Error mesages after uninstall samsung scloud and youtube

After uninstalling Samsung bloatware (*) (using root), I am receiving the errors "Unfortunately com.samsung.android.scloud has stopped" and "Unfortunately com.google.android.youtube has stopped" even ...
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How to uninstall/disable system apps on Fire HD 8?

I want to uninstall or disable system apps on my Amazon Fire HD 8 2017. How can I do this? The FireOS version in "System Updates" menu is 5.6.2.0.
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1answer
21 views

Move apps manually to system

Hi just wanna ask if there's a way to properly install or move apps to /system manually in which the app that being said installed will be considered as system app? It seems that my phone is denying ...
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2answers
58 views

SystemUI.apk and framework-res.apk causes bootloop after being modified

Hi I'm using a stock LineageOS rom specifically android Pie (LineageOS 16) and I've been modifying system applications, such as SystemUI, framework, gallery, sms etc. before (on samsung ROMS) and so ...
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2answers
131 views

Can the Play Store (in /system/priv-app/) be reinstalled with a newer version?

Tapping on the build number in the Play Store doesn't really update it anymore on my device; I have no idea why. I've been trying to sideload the apk which just installs the newer version into /data/...
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22 views

Crash when switching apps with non default launchers

I just updated a Nokia 6.1 (TA-1054) to Android P and when I change the launcher from the default launcher3 to anything else it keeps opening launcher3 when I try to switch apps and crashes. I tried ...
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Can not re-sign Android system app without app crashing (using LineageOS)

I have re-signed all system apps of LineageOS with my own key and have replaced them all before the first boot. LineageOS boots normally but then all re-signed system apps crash with an error like: ...
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1answer
47 views

How to downgrade Google search app in recovery?

For some reason, I would like to downgrade the Google search app (com.google.android.quicksearchbox) to a older version, and upgrade later, on a MI 8 running Android Oreo. But when /system is mounted ...
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1answer
82 views

Why do write attempts to /system/priv-app cause /system to switch to read-only?

I'm trying to write files to the /system/priv-app directory. I boot into recovery (TWRP) and run adb shell. ~ # mount /system ~ # mount rootfs on / type rootfs (rw,seclabel) ... /dev/block/mmcblkXXXX ...
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How to protect a system app's data from factory reset?

Is it possible to protect a system app's data from factory reset? For example: my phone is rooted. I choose to move the Tasker app as a system app. I want all the Profiles, Tasks, Scenes and settings ...
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Pre-install some apps so they can be uninstalled without root by user

Can I (As a AOSP builder) pre install some apps so after burning on device, they can easily be uninstalled (like regular downloaded apps)? I am already familiar with system apps and priv-apps but as ...
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1answer
61 views

How to edit the list of reserved ports (under 1024) on Android?

Is it possible to edit list of reserved ports on Android (0 - 1023) to move lower port (under 1024) to higher port (equal or above 1024). My mobile phone is rooted and I want to use lower port. One ...
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1answer
77 views

How to deal with dm-verity on a Samsung S7 Edge when installing a custom recovery like TWRP

I'm just starting to explore how to customize my Samsung S7 Edge and I'm interested in moving an application over to the system partition. It's currently running Android 8.0. I've been doing a lot of ...
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1answer
84 views

Unable to run pushed binary

I've pushed executable adb file to /system for using it to connect to other devices, but shell can't execute this file. Why? chiron / # file `which adb` /system/xbin/adb: ELF executable, 64-bit LSB ...
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2answers
359 views

How to update Android System WebView on MIUI

I'm on rooted MIUI 10 8.8.9 Android 8.1 Currently there is WebView version 62.0.3202.84 installed inside /system/app/WebViewGoogle/WebViewGoogle.apk with /oat/arm and /oat/arm64 directories ...
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What system application handles Lockscreen? Android 8.0 OREO

What I'm trying to do is I'm using AutoInput to capture a UI update event in the lockscreen. Is this possible? What application handle the locksreen?
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1answer
316 views

Updating system app without root and apk install in custom ROM

Custom ROM in Redmi 3S I have installed Gapps(from opengapps) using TWRP recovery. Recently, I got an update from play store for dialer app, but not for messages which released recently. Why message ...
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257 views

Updating system app without root and apk install in stock ROM

I need to update system apps like phone, contacts etc without installing apk or rooting. Is this possible? Stock ROM in Moto X4 How can I update my phone, contact etc with latest version from moto? ...
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1answer
27 views

How to restrict an app to make changes in a folder?

There is an app that sucks my tablet and i don't won't to delete it. This app causes a huge trouble for me. I have granted it Storage Permission. But the apps also deletes some other folders, I want ...
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How to get com.android.settings folder?

My tablet is an educational tab. They have removed much of the preinstalled apps like settings,launcher3,wallpaper. They have restricted any further priv-apps to be installed. I just want to get the ...
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is there any way to convert system apps to user apps?

Hi I have a rooted device and I am stuck at converting Settings from system apps to user apps. Background: Actually there is an education company which provide tablets with their software loaded, I ...
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1answer
105 views

How can I install a system app that I uninstalled?

I used a backup app to first make a backup of the .apk file of the system app, and then uninstalled it. When I try installing it again, I get "application not installed". How can I go about that? I ...
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2answers
376 views

How to bypass system /signature level for a modified system apk?

I made a modification on a system app but it should be signed with the same certificate as the Firmware to work properly, is there any workaround to bypass this ?
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Change version number of apk?

I'm unfortunately not rooted, so can't fix my issue the easy way. But, on an unrooted phone, can you stop a system app from updating? The only way i've been able to figure out, would be to change ...
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1answer
355 views

Is it safe to uninstall AudioFX from CyanogenMod 13?

Background: I recently upgraded a Samsung Galaxy S4 from Cyanogenmod 11 (KitKat) to Cyanogenmod 13 (Marshmallow). Everything seems to work fine except that AudioFX crashes several times in a row ("...
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69 views

Will I be granted system level run-time permissions if I put apk in /system/app or /system/priv-app on 6.0+?

I was searching around for the answer to this question and found different answers. If I make an app and move it to /system/app or /system/priv-app, will that app have access to permissions such as ...
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55 views

If I convert android system app into user app, will it give any performance improvement?

There is something called "Background cache" in which the some system apps are listed similar to the list of apps occupied RAM memory. If I convert system apps into user apps,ex: chrome, will it gives ...
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2answers
376 views

Is system apps and pre-installed apps two different concepts?

I recently started learning android ROMs. I have heard system apps with some special (not root) permissions. Is there a difference between system apps and pre-installed app when we build a ROM? I ...
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1answer
552 views

msa couldn't install error

I got a notification to install a system app msa update in my Redmi 4 Android Mobile. Whenever I'm trying to update the app it has been failing. I tried restarting my mobile as well but nothing worked....
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How do some system apps prevent themselves from being disabled?

I have been researching about this for quite some time and frankly I haven't found anything that reproduces this effect in any phone that I have tried, as you know there are a few system apps that ...
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1answer
72 views

How to make a restore image / export ISO to restore later?

My Samsung galaxy S6 edge+ from Verizon came along with a lot of bloatware I really do not need. First of all it has many pre-installed apps from google which is sadly the case for every android ...
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323 views

Is this malware behavior ?Q memo+keeps asking me to grant permission to wri

My metro pcs LG stylo 2 plus' andriod system 7.0 system app(q memo plus and pen settings) keeps asking me to grant a permission request(to draw over other apps)-pen setting-& Q-memo plus,keeps ...
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Why “System Update” app of “android 6.0” is draining battery

I am using Yu Yunicorn (5530) android phone. It has android marshmallow update. Recently I noticed when I put the phone on charging it takes long time to charge and never goes to 100%, also during the ...
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1answer
145 views

System app reverts to original version after device reboot

I have created a custom System.img for my device, I need to put an APK as a system app, and I have places the app within /System/priv-app, app works flawlessly, I can download and install app updates ...
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1answer
44 views

Contacts and telephone applications crash

On my Galaxy Note 4, when I launch the phone and contacts apps, they say "Unfortunately, Phone has stopped" or likewise for "Contacts". I have to go through message program to make a call. What's the ...
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1answer
198 views

Why is Android System using Data

Hi guys I have an android running custom rom on 8.1 . I found this problem when I was downloading files from ANDROID DOWNLOAD MANAGER the speed shown by ADM was very less in comparison to that shown ...
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2answers
3k views

app installed to /system/priv-app won't run

Prerequisites: a rooted Rockchip-based China tablet device running Android 6, patched to disable SystemUI own-developed app which declares LAUNCHER category and is intended to take full conrol of the ...
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216 views

Is it possible to remove OAT files for unwanted system apps? [rooted locked device]

I have not enough free space on my Moto X, so I want to free up some space in data partition used by system apps bloatware. For example, disabled Slides with uninstalled updates still consumes 31 MB ...
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1answer
93 views

Removed Google Apps system app, now the device wouldn't boot

I have a Micromax Canvas A1 device (Android one). It's been rooted and I have removed some system apps on it before. When I disabled Google App, a lot of space was freed and the system worked fine. So ...
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1answer
145 views

Is there an official Google Apps package?

So I understand that I need to flash the gapps package after installing a custom Android distro (ROM). In that case, is there an official google apps package? If so, why should I rely on competing ...
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3answers
10k views

How do i get rid of uneccessary System Memory?

So, its as the title says - My Samsung Galaxy J5 (2016) is filled up.. Not with apps, but with "System Memory".. The device only has 8 gb of Storage, and about ~48%+ of that is used by System Memory. (...
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1answer
479 views

How is the default launcher set after a factory reset

I would like to know how is the default launcher set after a factory reset. What files are in charge of telling the OS, for example, that the Touchwiz app is the default launcher for Samsung devices. ...
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2answers
895 views

Sign apk as system application while flashing

I have created an application which uses interfaces and classes as well as permissions from the hidden API. Now I would like to create a flashable zip file which installs the apk as system app. If I'm ...
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WTF! How can a adware get installed inside system level folder on a non-rooted phone?

I dont know how could this happen.The phone started popping ads randomly everywhere.I ran malwarebytes and found a RockClient.apk installed on my phone in the system level.There was another Dropper ...
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1answer
76 views

Can one flash an app via custom recovery? and if yes will it become system app?

i was wondering if we could flash/install an app through custom recovery like we do with gapps and other stuff. The thing is that I wanted to have an app as system app without rooting it. So I came ...
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3answers
9k views

How to remove the SIM Toolkit from my phone? (Without root or flashing any ROM)

This application is sending a lot of spam to my phone recently, two or three times a day. I deactivated broadcast messages, tried converting USSD pop-ups into notifications to avoid being interrupted (...
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3answers
7k views

Unable to install .apk from /system/priv-app

I moved my apk file to /system/priv-app just as you adviced me in this thread. When I'm trying to install it through clicking this .apk, Android said me that "The application has not been installed". ...
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2answers
12k views

Installing .apk as system app directly (with root)

I'm wondering is it possible to install .apk file as system app directly (with root)? Without converting user app to system app.