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Questions tagged [system]

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

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1answer
10 views

What is the difference between NB and WB entries in mixer_gains.xml?

LineageOS for my phone has these sections with entries in the mixer_gains.xml file: <path name="gain-incall_nb-handset-mic"> <path name="gain-incall_nb-handset-mic"> <path name="gain-...
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0answers
40 views

Why do I have two of these system apps?

I remember having the first one but I don't remember having the second app. I left my phone alone for two days only to find this. It is a spyware or a system app disguised as something? I also noticed ...
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0answers
13 views

System UI won't start after tweaking Quick Setting with System Ui Tuner

I did a stupid mistake this afternoon. I downloaded the System UI Tuner app and tweak the status bar to only show ONE quick setting tile upon first swipe down (obviously wont work but idiot me still ...
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56 views

Marshmallow: Adding system-wide custom root certificate

On Android 6 if I move my own root CA from /data/misc/user/0/cacerts-added to /system/etc/security/cacerts/ it doesn't work anymore. It is in the system list and active, but my browser says ...
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0answers
18 views

Managing /data/system/netpolicy.xml: what do these policies mean?

Seems like it wasn't clever of me to restore Data (policy/stats) with Titanium Backup. It has all that apps' unique UIDs from my previous system (actually, the same phone, but wiped and flashed) and ...
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0answers
20 views

What happens under the hood when a network request is made by an application

I'm interested in knowing what happens at the kernel level when an application makes a network request. While playing with strace I was hoping to find system calls like connect() to make a connection ...
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0answers
26 views

How do you rollback an Android system upgrade to Pie? [duplicate]

I want to revert my phone back to Android 8 Oreo after installing/upgrading to Android 9 Pie. I'm not a fan of Pie and just want to go back to the previous version Oreo, is this possible? if so, then ...
2
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1answer
84 views

How to delete a date and time tab in setting to prevent user from changing it?

(Please understand me about my broken English.) I am a student in South Korea. I am making a quite restricted Lenovo tablet, to make it a perfect education device. The goal is to "help" students to ...
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0answers
27 views

How to backups whole phone storage (android) [duplicate]

Is it possible to backup android phone including partition table if its possible then how to backup whole phone storage in android including all partitions, partition table, whole phone, and how to ...
0
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1answer
27 views

Where do the exact locations of the phone buttons combinations stored?

Where do the exact location of the phone button combinations like power reset while holding Volume down + Power, booting to recovery by holding Volume up + Power + Home (if there is a Home button) is ...
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0answers
70 views

How do I get rid of com.android.Pet.mediaproxy?

I found this on my phone on my Files after I woke up. I accidentally fell asleep and I have a housemate who likes messing with my things and decided to put something on my phone that is actually a ...
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0answers
36 views

I wiped everything from my phone with TWRP and my version is too old

i have a few ROMs and some backups in my computer so I tried to flash them but I always get "Error executing updater binary in zip" which I heard means my version is too old. EDIT: I tried to flash ...
1
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1answer
76 views

What position do cellular communcation (1G, 2G, 3G, 4G or other function only implemented in phone) play in Android operating system archtecture?

I am entirely new to Android, but have a little knowledge on Linux. I have view the architecture graph of android on official site: The Problem: Not all android device support cellar network. As a ...
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0answers
38 views

Where can I find the default /system/lib for Lollipop

I have a rooted Alcatel 5017 A and I wanna check the libraries on the system (I think I got hacked) can anyone show me the default content of system/lib for this phone? Thank you all! Also, I would ...
1
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1answer
88 views

Fix “android.process.acore keeps stopping” when the contacts provider can't load it's db

My phone just decided that it should spam an exception onto my screen that reopens as soon as I tap it away. A look at logcat reveals the following being thrown multiple times per second: SQLiteLog: ...
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0answers
26 views

My question is is my cell phone rooted and am I hacked

Okay what's happened is I had a Verizon contract I looked into software information and a bug report and it kept saying I was rooted I had top of the line phone and it kept freezing at it Factory ...
1
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2answers
162 views

How to get reliable download for old Android Samsung?

What is reliable? I need reliable Android, to install "from zero", cleaning all the old firmware of the old smartphone.... So, the first and main step is to download a reliable and complete set of ...
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0answers
32 views

Can I still update apks currently on my android device with an apk updater app if I uninstall the package installer?

If I were to find a way to disable install via ADB, install an APK updater app that auto updates apps and then uninstall the package installer, would the apk updater still be able to update apps ...
0
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1answer
72 views

Where to find information about WiFi connectivity of the device?

is there a way I can find information about my device's connectivity to WiFi network? I need information like: what network I'm connected too, what is the mac address of the router, how long have I ...
0
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0answers
32 views

How to install system trusted CA certificate on Android without rooting [duplicate]

I need to install the firewall certificate on the devices of my company. Since I can't install a system trusted certificate without rooting the device I thought of creating an Android image that comes ...
2
votes
1answer
145 views

How can there be two separate Android System under “Running services”?

My Verizon LG V20 (Android 8.0) appears to be running two Android Systems at the same time, but, I'm pretty sure that isn't possible. Am I wrong on this or am I seeing things? Also, the timing ...
1
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1answer
497 views

Does Android provide auto-switching of network mode when mobile data is toggled?

Whenever I want to turn on the mobile data, I have to go to "Preferred network type" menu and Switch to 3G/4G/Prefer LTE manually which requires many steps. So does Android OS provide auto switching ...
1
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2answers
134 views

how to use two diferent numbers in the same phone via whatsapp?

My phone just went broken last night, and I have another but I don't want to change the sim card, so I'm wondering if its possible to run 2 numbers on the same phone. I have heard there is a chance ...
1
vote
1answer
34 views

Why did my phone reboot after copying an so file to the system/lib folder?

I ran the following command and the phone automatically rebooted after copying. Why? Was it because the so file was in use? $ adb shell 'mount -o rw,remount /system && cp /sdcard/libfoo.so /...
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0answers
68 views

Will deleting all system apps and APKs from Android prevent it from starting up?

The motivations of profit driven corporations like Google, Samsung, Microsoft alongside the motivations of the secret services like GCHQ and the NSA are at odds with my desire to use the expensive ...
0
votes
1answer
120 views

Can airplane mode be maintained during a system update?

When traveling internationally, it's often a good idea to put the phone in Airplane Mode before departure, activate wi-fi as needed, and leave the phone in Airplane Mode until returning to one's home ...
2
votes
1answer
236 views

Export VPN configurations from Android

I would like to export all my VPN configurations stored in my smartphone to my pc. I use three VPN apps (VPN Master, USA VPN and Bettermet), in your opinion have I to find by myself all certificates ...
0
votes
1answer
65 views

How to store system app's settings on /system partition?

I have a system app, and I need that both the application itself and its settings shall be in /system partition. I can change the application to be in system by moving from /data/app to /system/app. ...
0
votes
1answer
22 views

I have 2 s7 from market but systems are messed up

Can someone link me where I can download the Android latest system os file to download to SD card so I can reinstall phone os system from phone update boot screen thanks I got 2 x s7 but there got ...
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0answers
30 views

Upgrade the OS from 5.x to 6.x [duplicate]

How can I upgrade from 5.1.1 to 6.x in order to utilize adoptable storage?
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0answers
594 views

How to stop my phone from annoying me with software updates?

I'm getting constant notifications that a new software-update is available for my phone. It's a motorola on android 7 and i do not want the software-update. I was getting notifications all day ...
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0answers
37 views

How can I disable the Android system notification that appears after I take a screen capture?

Whenever I take a screen capture on my Pixel (I take several each day), the system gives me a "helpful" notification that the screenshot was captured. This is a terrible user experience for me since ...
0
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1answer
68 views

CAN i reinstall the system apps which i have deleteed accidently during rooting?

Recently i have rooted my phone .And somehow my media storage has beeen deleted during the rooting process ans i cant play the music and watch photos .My andriod version is 5.1. So can somebody send ...
0
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1answer
179 views

How to extract alarm ringtone files from my phone?

I have an OPPO R11 and I really like one of the default alarm sounds, so I was wondering how I could extract the sound file from the Android system to save it. I've tried downloading ES File Explorer, ...
0
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0answers
40 views

My phone hangs even after restart, ram is free but system shows negative ram being used

When I restarted the phone, my phone used to work smoothly, but few days ago, my phone hangs too much. When I check the ram, It shows 1.2 GB is free and system takes negative ram. When I try to check ...
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0answers
67 views

System data folder size is 3.5GB on external sdcard second partition

I have created a second ext2 partition on my sdcard and use App2Sd to link apps on it. The problem is, I just discover a folder called system data that is 3.5GB and I don't know why is it and neither ...
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0answers
58 views

WhatsApp and other applications close instantly

I bought a Meizu 6 note android device, i dont know how or why but, some applications started closing instantly as they open, like WhatsApp Messenger , which is my main problem, i want to backup my ...
1
vote
1answer
8k views

What is this triangle icon [Samsung Galaxy S9+]?

It appeared recently. And I can't even imagine what is it. Screenshot (click image for larger variant)
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1answer
1k views

Android x86: remounting /system : /dev/loop1 is read only

I try to remove google apps from android x86 dowloaded from here and I managed to make it run over virtualbox, afterwards in installed it to a virtual hard disk. But I want on it to remove any ...
1
vote
1answer
9k views

How to show fps counter in Android 8?

In Oreo, is there a native way (preferred) or a 3rd party app that can show current screen refresh rate (fps counter), in the form of an overlay, in all situation (system UI, apps and 2D/3D games)?
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0answers
164 views

Writable System Revets to RO

I rooted with TWRP 3.2.1-0, installed SuperSU zip (later automatically updated) and added Busybox. I presently have three backups plus one of the EFS directory alone. The older one is some three weeks ...
0
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1answer
328 views

Android system takes too much data usage

Checking through Glasswire application, Android system has the highest data usage everyday on my Android. I only used my phone for tethering to my laptop and it don't take that much of data (My laptop ...
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0answers
366 views

Disable “displaying over other apps”

On most Android 8 phones you can remove these persistent and annoying notifications from the notification center. My phone with the EMUI skin cannot: image of settings with no switch (click to ...
0
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1answer
45 views

What is the size of the Android System app? [closed]

On my phone the Android System app is zero in size. Is this normal or have I been hacked? Thanks, J
0
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1answer
452 views

How do I disable individual components of an app's APK?

ROM Toolbox Pro's app manager had this feature but it has been removed in recent versions. Specifically I'm looking at disabling individual components of an APK, AdActivity for example. I have ...
0
votes
1answer
72 views

Flashing ROM on a used Samsung Note 4 [duplicate]

I have a used note 4 and want to make sure there is no spyware or malware on it. I know some can survive a factory reset. Somebody told me to flash a rom and recovery image but not how to do this. I ...
3
votes
1answer
952 views

Wiped System Partition… No OS.. How can I recover it back?

I successfully installed TWRP yesterday on my phone and then wanted to root it, but before doing that, I wanted to do a Full-Wipe of my phone, just leaving the phone with the OS, but for some reason, ...
0
votes
1answer
33 views

I dont know if my tablet is broken or outdated

Well, I have a Samsung galaxy tab 4 (4.4.2) and I rooted it. So I reset it because Google play didn't work.but after factory reset it still didn't work. I uninstalled updates cleared cache, and I ...
1
vote
1answer
230 views

How to restore my phone, after replacing my systemui with a modded one?

I recently saw a thread about a modded systemui on XDA here and downloaded it. I replaced my present systemui with this one and rebooted my phone. I think that at first the replaced systemui didn't ...
0
votes
1answer
150 views

How to add support to an external monitor in Android?

My Samsung Dex (with Android 7 in a Samsung Galaxy S8 phone) won't work with my LG 23MT75D-PU monitor. I think because the Android driver are not ready to talk with this monitor yet. I will want to ...