Questions tagged [system]
For questions about the internal procedures and processes of the Android system.
323
questions
0
votes
0
answers
14
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 ...
- 1
0
votes
0
answers
40
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 (...
1
vote
0
answers
37
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 ...
- 11
0
votes
0
answers
75
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 ...
- 1
0
votes
0
answers
33
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 ...
- 1
2
votes
1
answer
83
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 ...
- 121
1
vote
0
answers
39
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 ...
- 131
1
vote
0
answers
28
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 ...
0
votes
0
answers
729
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.
...
- 101
1
vote
0
answers
329
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 ...
- 149
1
vote
0
answers
125
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 ...
- 111
0
votes
1
answer
1k
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 ...
- 11
1
vote
0
answers
344
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 (...
- 111
1
vote
0
answers
813
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 ...
1
vote
0
answers
240
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, ...
- 11
1
vote
0
answers
134
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
...
- 31
1
vote
0
answers
67
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 ...
- 11
1
vote
0
answers
20
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 ...
- 111
1
vote
0
answers
524
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 ...
- 401
0
votes
0
answers
90
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?
1
vote
0
answers
791
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 ...
- 11
0
votes
0
answers
415
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 ...
- 109
11
votes
3
answers
12k
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 ...
- 131
0
votes
0
answers
277
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 ...
- 121
1
vote
0
answers
260
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 ...
- 309
2
votes
0
answers
544
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/...
- 21
1
vote
0
answers
374
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 ...
- 111
3
votes
0
answers
133
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.
2
votes
0
answers
2k
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?
0
votes
0
answers
32
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 ...
- 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 ...
- 111
1
vote
0
answers
86
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 ...
- 251
0
votes
0
answers
83
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-...
- 290
1
vote
1
answer
842
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 ...
- 113
2
votes
0
answers
651
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:
...
5
votes
1
answer
27k
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 ...
- 427
1
vote
0
answers
702
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 ...
- 31
1
vote
0
answers
343
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/...
- 11
0
votes
0
answers
32
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?
6
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 ...
- 63
2
votes
3
answers
3k
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
- 143
0
votes
0
answers
73
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'...
5
votes
1
answer
1k
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?
- 223
2
votes
0
answers
595
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. ...
1
vote
1
answer
2k
views
Documentation of /system/addon.d
Placing scripts into /system/addon.d/ makes them execute before and after every OTA packag upgrade.
This
is
used
or
mentioned
in
multiple
places.
I have multiple questions about this:
Is this a ...
- 123
4
votes
3
answers
2k
views
How can an Android user know which Project Mainline modules their device supports?
Project Mainline (officially "Modular System Components") introduced a set of OS components that Google can update via Google Play system updates.
Some of these modules are mandatory for ...
- 101
0
votes
1
answer
644
views
Can I slow down the speed of my recorded phone calls?
I've installed the Call Recorder app on my GT-S6810P Samsung Galaxy phone. The app has successfully recorded all of my calls but when I play them back it plays them too fast. Is there any way I can ...
0
votes
0
answers
57
views
What android apps are these? [duplicate]
I currently use a TCL A1 (A501DL) running Android Version 8.1.0.
I went to check my Wi-Fi data usage. I scrolled down and seen all these apps! There are 9 of them. I've never seen them before and when ...
1
vote
0
answers
2k
views
How to flash /system using twrp when system.img is 1.7GB and internal storage has 1.5GB max limit
I happen to have an old phone laying around with messed up system partition(a couple of files accidentally deleted). This phone has an internal storage of max 1.5 GB(total 4gb, after setting ...
- 31
4
votes
0
answers
205
views
True full backup of android including profiles
Referring to this tread as an example:How to make a full backup and restore (including ROM) using Windows PC via USB?
I would like to make a full backup, This means everything. Apps files profiles ...
- 41