All Questions
11 questions
16
votes
4
answers
66k
views
How to unpack/repack system.img of android ROM?
I have OnePlus 6T device which has A/B partition system and has a ROM of user type i.e [ro.build.type]: [user]. This device is rooted with Magisk. I have a requirement(Want to place customized ...
- 1,061
4
votes
1
answer
4k
views
How to disable dm-verity on `Treble` , `system-as-root` device?
Background: Please check following links
How to disable dm-verity on Android with “user” build type ROM?
Stuck in boot-loop when unpack and pack system.img?
Update: So, I am trying to disable dm-...
- 1,061
3
votes
1
answer
29k
views
How to fix: only official released binaries are allowed to be flashed(recovery) on device / FAIL! (Auth) on Odin3 v3.13?
I have Samsung S10 5G(Qualcomm) device. This device has unlocked bootloader but it is not rooted yet.
I am trying to learn Unpack-Modify-Pack the ROM images.
Currently, I have VZW stock ROM ...
- 1,061
2
votes
1
answer
9k
views
SELinux prevents my init.rc exec command to execute
I've added a exec command at the end of init.rc file.
on property:dev.bootcomplete=1
exec u:r:shell:s0 shell shell -- /system/bin/am start -n com.example.package/com.example.package.MainActivity
...
- 157
2
votes
1
answer
2k
views
Need to add custom script as service in init.rc for Android 10
I am trying run shell script in device boot-up time.
Steps:
Created shell script and placed into /system/bin/usbmountd.sh
Added test.sh in inir.rc.
service usbmountd /system/bin/usbmountd.sh
user ...
- 129
1
vote
0
answers
359
views
Access "data/tombstones/" dir from Android application
Trying to get access to "data/tombstones" directory from my rooted phone. I am implementing a crash collector application (system application) which would help to record the system's ANRs ...
- 79
1
vote
0
answers
101
views
How to add a simple file on /system without actually modifying it but with using kernel sources? [closed]
From the time system-as-root came, developers have rooted different devices by patching the Magisk su binaries in the kernel. I want to understand how exactly they have done this so to start from ...
- 1,061
1
vote
0
answers
428
views
How can I record call using c code(c executable that can run on Android-Linux) on rooted Android device?
I want to record a call that is called by my application for the call test purposes. We record a call and compare it with a high-quality WAV file to determine the call quality. But the call recording ...
- 1,061
0
votes
1
answer
2k
views
SELinux Policy from Permissive to Enforcing
Using Nexus 5 with AospExtended ROM (Android 9) 19/04/05
The ROM, by default, has the SELinux policy set to Permissive instead of Enforcing.
Is there any way, perhaps using TWRP Recovery, to change ...
0
votes
0
answers
1k
views
open failed: EACCES (Permission denied)
I am trying to copy the file from /storage/emulated/0/test.txt to /cache/SH_DIR/ via android user application ,
getting error like below :
java.io.FileNotFoundException: /cache/SH_DIR/test.txt: open ...
- 129
0
votes
0
answers
3k
views
Stuck in boot-loop when unpack and pack `system.img`?
Background: I have a treble and system-as-root but it is not an A/B Samsung device. I am trying to modify the system.img. Before that, I have rooted it with the steps given here. After following these ...
- 1,061