[HELP]HOW to edit root files in Android 11 - Xiaomi Mi 10 Questions & Answers

Hello
Editing files in Root/system will make phone not to boot!
Any solutions? have anyone tied to edit or replace a file in root folders?

Last time I encountered a problem like that it was the root method itself causing it.

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[Q] editing .so file

Howdy.
I'm trying to modify a .so file (libflashplayer.so), but have run into a few problems:
I first tried editing the file after it was installed from an .apk. This appears to work at first, but the edited file is quickly replaced with the original.
I then tried editing the file in the .apk package. This causes the package to fail to install (I'm guessing because the md5 in the certificates no longer matches)
Aldo tried moving a folder with the .so files from the .apk (com.adobe.flashplayer-1 which is what is created when the .apk installs correctly) directly into /data/app-lib/.The directory was created successfully but appears to be immediately deleted.
Is there a way to accomplish what I'm trying to do? If so how?
Other possibly relevant info:
My device is rooted
I did not write the code for anything in the .apk, I got it from a link on xda (pretty dubious i know but I couldn't find another option)
I'm using cyanogenmod 10.2 (based on android 4.2 I believe).
I'm editing the file with a hex editor to change a a few characters ("AND" to "WIN")

Q3 MT7891C missing systemui.app

Hello!
I have managed to root the tablet and then started removing some apps with Titanium backup app. Unfortunately I accidentally deleted an app starting with syst.... - did not see the whole name. The tablet restarted and now there are no back, home buttons and slide menues from above, no multitasking. The Android version is 4.2.2. I have managed to install some hover buttons, CW custom recovery. Found the rom and downloaded it. I guess the app that I am missing is in system.img file? How can I extract /browse the contents? There are some img extractor apps but i cant find a valid link to download such. Is it true that if i find the apk and put it in the system folder the problem will be fixed? Please advise me what to do! I thought of flashing the device with mtk flash tool but i dont have a computer to do this with ?
Any advice would be appreciated!
Regards,
Kamen
Hello,
I have managed to extract the Systemui.apk and systemui.odex files from the system.img firmware file. Put them in system/app with the correct permissions, restarted - still not working! In the net somebody advised that I try deleting the .odex file and / or install the systemui.apk (installation fails) . No solution again!
Please advice!

Only read permission on Stock File Explorer? No rename, Copy or write possible :(

Hello there.
Maybe someone can help me...
I am on a rooted Galaxy S9+ with Pie
(see attached pic)
My problem:
My stock file explorer can not create any files or folders it seems as it only has permission for reading.
Every other file explorer has no problem.
It's only the stock one.
In my App list, there are all permission set.
So my question:
Does anyone know how to check the -r-w-x permissions for this stock file explorer?
And how to change them?
What can I do?
All other File Explorer works like a charme...
But I need the stock one, because when I want to print to PDF, it only uses the stock one.
A deinstallation and new installation does not help.
Many thanks!!
Push :-/
edit/
After a dirty flash of my ROM and reflash of Firmware everything works like a charme

I try to edit in Apk editor but it goes back to before

Hello there.
I'm trying to edit an APK file.
I have root access.
It's a file in this location /data/user/0/"package"/.....
It's 3 lines I'm trying to change, they are URLs.
I change the information in root Explorer, in APK editor (edit data, root) and i manage to save it and install the new APK but when I start the application it resets the file to it's original information...
Can anyone assist me with this?
I would be very thankful.

Cloning and modifying System Apps [Decompile -> Edit -> Rename -> Compile]

Hey guys,
currently trying to mod the default Vivo X70 Pro Plus Camera app and I am wondering if this is possible at all.
I pulled the apk from the phone, used apktool to decompile it, modified it and then compiled and signed it again.
The Problem is: I do not have root and cant overwrite system applications.
Now I'm thinking: Is it possible to rename the app and package to install it as a new app instead of overwriting the existing camera app?

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