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Questions tagged [system]

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

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Remove Safe mode completely from an Android from the root

No app blockers works as I can go into safe mode and delete the app blockers. How do I tune my Samsung Galaxy S24 enough to not have an option to go into safe mode altogether?
moe hemani's user avatar
1 vote
0 answers
32 views

Android 13/14 - How to replace a system app with an older version?

I need to "downgrade" the google app with an older version because of a voice typing issue. However, the older version gets uninstalled after reboot. I have explicitly uninstall the ...
wez's user avatar
  • 121
0 votes
0 answers
21 views

What does the phone do in the meantime between pressing the power button and the moment the screen lights on?

On almost every phone, when the phone is off (completely shut down) and you press and hold the power button to switch it on, why is there a delay between pressing the power button and lighting the ...
infinitieunique's user avatar
1 vote
0 answers
54 views

How to correct fake device specifications?

I bought two Android tablets which supposedly came with Android 12, 16GB of memory, and 1TB of storage. Unfortunately, when I started adding apps and videos, it soon ran out of space. I followed a ...
Colin Evans 's user avatar
1 vote
0 answers
84 views

Why if the application is installed in Incremental File System it is smaller than the apk file

When I install an application, in most cases it is smaller than the file downloaded from the play store, I checked these applications in /data/app and it turned out that all applications that use the ...
anonymous48901's user avatar
0 votes
0 answers
44 views

How to set secondary screen as default for mirror mode?

I have a rooted LG phone running android 12. There is screen+ feature in LG like samsung dex that gets activated only when connected with usb to monitor. But when I connect via wifi to any display ...
jonny789's user avatar
  • 365
0 votes
0 answers
19 views

"Do not disturb" mode with caller profiles (e.g. switch favorites)

I need the "Do not disturb" mode modificated with caller profiles (e.g. switching user definded favorite settings). This to enable something like caller groups in single and mixed ...
Rainer's user avatar
  • 1
0 votes
0 answers
141 views

System and Vendor Partitions

If system partition of Android contains important binaries and vendor partition contains binaries and files related to vendor or manufacturer. Then do all modification made by vendor or manufacturer (...
Ayush K M's user avatar
1 vote
0 answers
96 views

Accessing learned words Samsung Galaxy A12 keyboard

I share a phone with someone who's being shifty and I just need some help. I was typing an email address into the search bar on the Samsung Galaxy A12 that we share and as I was doing so, a whole ...
Boba Fetti's user avatar
0 votes
0 answers
115 views

How to fix context manually or with a tool?

I've installed the new version of MIUI 14 from the MIUI 13 on my Xiaomi device mi 10 ultra, cas codename, after that i receive a system alert about battery and performance application, the issues are ...
Mackbet's user avatar
0 votes
0 answers
54 views

hostapd reappears after deletion or renaming

Device: T-Mobile "Revvlry" branded version of the Motorola G7+. ROM: https://doc.e.foundation/devices/lake, which shows up in the phone settings as Android 10. Rooted: Yes. I'm using Termux ...
3xrp1's user avatar
  • 1
2 votes
1 answer
109 views

How to disable the magnifying window function while holding on the text?

Recently, I changed my phone to Nokia 6.2 with Android 11 system and I find a new feature that is really user-unfriendly to me. In my old phones when I press and hold on the text in an address bar(or ...
Censi LI's user avatar
  • 121
1 vote
0 answers
60 views

How to list all SSIDs on which ADB Wireless is allowed?

When connecting a phone to ADB wirelessly, the user must allow Wireless Debugging on the current wifi network, with an option to remember the preference. Is there a way to programmatically read the ...
ETL's user avatar
  • 141
1 vote
0 answers
35 views

Android system fonts and other fonts and dyslexia

I would like to know whether Android fonts are optimized for dyslexia. Because, to my understanding, dyslexia users read better when specific fonts that have gaps and unevennesses in the spacing and ...
Joselin Jocklingson's user avatar
0 votes
0 answers
1k views

Change default camera lens for all apps

I'm using realme x2 pro and have damaged my main camera lens (Because I mounted it on a bike holder) . I got it repaired once and it cost me about 15% of phone's value. But it got spoiled again. ...
Arun Gowda's user avatar
1 vote
0 answers
459 views

/sys/class/net on Android 12

Recently, I bought a new phone with Android 12. This command worked on Android 10 (just Termux, no ADB, no root): cat /sys/class/net/wlan0/statistics/rx_bytes but failed on Android 12. Any work ...
sudoer's user avatar
  • 159
1 vote
0 answers
172 views

System internal storage expected sizes on android smartphones

The storage numbers that appears in Android devices are hard to understand. I have look at Android devices with internal storage of 64GB and with System occupying 24GB and Android devices with ...
Eduard's user avatar
  • 111
0 votes
1 answer
2k views

How to change aspect ratio of screen

I am trying to change the aspect ratio of my phone's screen, presumably by changing the resolution, to achieve the result shown in the image. I am not trying to just change the resolution without ...
D44IN's user avatar
  • 11
1 vote
0 answers
441 views

How to disable a broken system service in Android 11

tl;dr: the fps_hal init service on my phone is constantly restarting, and since I don't use the fingerprint sensor I want to disable it. Background: Trying to debug my own app on LineageOS 18.1 (...
ifiht's user avatar
  • 111
1 vote
0 answers
1k views

How To Disable System Updates On Motorola Moto G Stylus 5G? Or How To Disable System App With ADB (Package Is Protected/Protected Package)?

I have a Cricket branded Motorola Moto G 5G Stylus running Android 11, and I'm trying to disable the system updates. I've already disabled system updates in developer options, but it still forces ...
ImportantConsent's user avatar
1 vote
0 answers
297 views

100% Flash memory used by system/proc folder - Oppo find X3 lite - colorOS 12

I'm currently facing this issue: after the ColorOS 12 update on my OPPO find X3 lite, my phone was showing the warning of flash memory full (128 GB). Even removing files, cache, apps and other stuff, ...
Andrea's user avatar
  • 11
1 vote
0 answers
163 views

How do I prevent overwriting of sysctl variables?

Android 10. Trying to disable ipv6 (yes, I know the second line below appears redundant). echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6 echo 1 > /proc/sys/net/ipv6/conf/wlan0/disable_ipv6 ...
confused's user avatar
1 vote
0 answers
112 views

Changed /system permissions, now corrupt

I own a Galaxy S5 and recently rooted it using SuperSU/TWRP. I was trying to set the /system partition to read-write, but instead, I accidentally set the permissions of the /system folder to R W for ...
Kerrawesome's user avatar
1 vote
0 answers
23 views

Change network interface name in persistent way on Android [duplicate]

Is it possible to change the name of a network interface in an Android 11 rooted system making the change persistent? I am not looking for just renaming the interface after the boot, I want to change ...
EM90's user avatar
  • 111
1 vote
0 answers
1k views

How can I see a log of system changes that have been made to my phone?

Recently my phone suddenly exhibited weird behavior which I remedied by running com.google.android.setupwizard/.SetupWizardTestActivity. You can see the exact problem and solution here. Everything ...
JJrussel's user avatar
  • 411
0 votes
0 answers
187 views

How to load android shared libraries

How does Android load /system/lib/*.so libraries? How does the system knows what file is for what purpose. Is there a database or list of expected.so files and their functions?
Lite Riyusaki's user avatar
1 vote
0 answers
954 views

Disabling dm-verity using 9008(edl) mode?

My device blocks fastboot flash command, so I can only flash images using QFIL under 9008(edl) mode. By enabling OEM Unlock in dev settings, Magisk-patched boot image works well. However, when I flash ...
Kavlikj's user avatar
  • 11
0 votes
0 answers
528 views

When is the Final vbmeta Image Generated in a Signed Build?

BACKGROUND I am attempting to generate my own signed builds of LineageOS 18.1 and am having trouble with the final signed OTA. Specifically, the vendor partition is failing during AVB verification ...
MysteryMoose's user avatar
12 votes
3 answers
18k views

Getting "java.lang.SecurityException: Shell does not have permission to access user 150" when uninstalling apps from Samsung Secure folder using ADB

I am using Samsung Galaxy A50, Android 11, One UI 3.1. I use Samsung Secure folder. There are many bloatware in it and I could not find a way to uninstall (and disable) them via ADB. Owner profile ...
Halilb1978's user avatar
0 votes
0 answers
441 views

Is there a way to stop Android messages from network providers?

I receive ads from my network provider via Android pop-ups: Is there a way to disable it? These messages are extremely annoying, I woke up last night due to the brightness of the screen, as these ...
Mohammed Ahmed's user avatar
1 vote
0 answers
336 views

Replace EMUI systemui with stock

My phone broke just a bit too early. I am currently waiting for a Fairphone 4, but the delivery time is quite long, so I am stuck with an old Honor 9 Lite which we had lying around. But EMUI is really ...
Dakkaron's user avatar
  • 331
2 votes
0 answers
699 views

Cannot bind to Cell Network Interface example with curl

I am trying to use the Mobile Network interface rmnet_data0 while Wi-Fi wlan0 is enabled. You can read my progress with the developer JsBergbau of BindToInterface at this link https://github.com/...
Joe Cowboy's user avatar
1 vote
0 answers
429 views

Steps to investigate what is happening to system files

So, I recently got a notification that space was running out on my 128GB phone. Looking at the segmentation then, the system files was taking about 45 GB data while my other stuff was taking around ...
Isa's user avatar
  • 111
3 votes
0 answers
157 views

Check for the existence of files without root privileges

How do apps check for the existence of files and folders on /data and /system partitions without having root privileges? I know some games and apps do this for anticheat and security reasons.
Lite Riyusaki's user avatar
2 votes
0 answers
3k views

Are there any ports opened on an Android device by default?

Title says it all. Looking at a Samsung S10 phone and would like to know if there are any ports opened on device by default?
new-to-networking's user avatar
0 votes
0 answers
33 views

Apply system wide screen rotation

I've recently replaced a screen on my phone and it displays images slightly rotated. It's just a couple of pixels but it's really annoying. I was wondering if there was some setting or API method to ...
Sergey's user avatar
  • 101
1 vote
0 answers
58 views

How factory reset process looks in details?

So I tried to find answer for this question, but it is very hard to find something other than simple instruction of doing factory reset and backuping data. I'm interested of detailed process of the ...
rozumir's user avatar
  • 111
1 vote
0 answers
105 views

Why would Android list some files that are not accessible (I/O error)?

For background, trying to resolve a problem with a Android 4.x tablet Denver TAC-97032 (Tablet battery replacement and alloc_device_open fail?). The device cannot boot fully, but I can connect to it ...
sdaau's user avatar
  • 251
0 votes
0 answers
89 views

Why is impossible to remove system apps and preinstalled apps like 'Facebook' (with Android OS & without rooting) and can they be suppressed?

What is the explanation offered by manufacturers and vendors for why this is the case? Have there been legal challenges to this practice? For instance, I can't remove the apps 'Facebook' (not OS-...
mYnDstrEAm's user avatar
1 vote
1 answer
990 views

How to write to an Android system file?

Why is writing to /sys/class/power_supply/battery/status having no effect? Accessed manually via adb shell as root, eg echo "Discharging" > /sys/class/power_supply/battery/status does not ...
adatum's user avatar
  • 113
2 votes
0 answers
713 views

Resize /system partition on Galaxy note 3 SM-N9005

I am trying to resize the partition /system using the parted and gdisk commands. But none of these commands succeed in changing mmcblk0 partitions after execution. The things I do are as follows: ...
Armin Absalan's user avatar
7 votes
1 answer
33k views

How to get Android 11 to trust a user root CA without a private key?

I'm trying to install a new user root CA certificate in DER form (.crt file) on Android 11, without much success. The previous (expired) CA certificate worked just fine from an earlier install on a ...
F.X.'s user avatar
  • 477
1 vote
0 answers
833 views

Cant delete system files on rooted phone [duplicate]

I'm using zarchiver as a file managing app on my rooted phone... I cant delete some specific app folders in /system/app even though I remounted it as rewritable.... in rewritable it will ...
John Basìlio's user avatar
1 vote
0 answers
410 views

How to expand system partition? [Xiaomi Mi 9]

How to expand system partition? I'd need at least ~600MB more for OpenGapps package I'd like. Many thanks in advance! Here's log from parted cepheus:/ # parted /dev/block/sde GNU Parted 3.2 Using /dev/...
Maciek's user avatar
  • 11
0 votes
0 answers
39 views

screenrecording and screenshot detector

Is there a way or an app or anything to detect whether the other person is screen recording or screenshotting their screen while engaging with you with either mobile or PC?
Alienxalienz's user avatar
7 votes
1 answer
3k views

Why is the FrameBuffer missing on some Android devices?

I'm curious about the display device on Android. I know that on Linux, device devices are represented as /dev/fbX, which "fb" stands for FrameBuffer. I also heard that Android uses ...
Yuuta Liang's user avatar
2 votes
3 answers
4k views

How to cancel an announced Android System update

I wrongly click the button to book a update for Android System. How can I cancel it before Nov 22 after 02:00
Francis Bacon's user avatar
0 votes
0 answers
94 views

HTC u11 didn't any reaction to press button ony to see the computer the com port and phone flash

I'm bought the HTC u11 is the dead OS. The other owner did something with the system. The phone is see the computer the com port and the phone flashing Red lights. I'm try to charging battery but didn'...
zsolt kacziba's user avatar
5 votes
1 answer
2k views

What is the official name of the "open apps" view that is navigated to by hitting the square system button?

On Android, there are three buttons along the bottom system bar. When I hit the square one, a UI displaying all the currently "open" apps. What is the official name of this view?
Scorb's user avatar
  • 223
2 votes
0 answers
703 views

remount, turn off SElinux, all fails even though I am root

I have a device which is never hacked into before, mostly as nobody has it, it is a android tv box. I have temp root using the dirty cow exploit, and tried to remount system using the mount command. ...
satyamedh hulyalkar's user avatar

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