How to Read/write to system ? - Google Pixel Questions & Answers

Okay so I'm trying to move some apps onto my system apps with File Explorer root is enabled and I am on a custom rom screwd to be exact. The problem is it will not let me put any apps in my system private app file folder. I tried flashing viper4android and it would not flash everytime I would flash it it wouldn't be in my app drawer. So now I'm trying to put viper4android onto my system apps but it will not let me copy it there. I figured I don't have read/write to system. I'm really not sure but if anybody knows how to get permission to write to system let me know please it's frustrating. I've tried searching for anyone with this issue but I could not find it if I am wrong please leave me to the right direction thank you

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Spice Stellar MI 500

Hi, I have a spice stellar mi 500. i tried rooting the phone which worked fine and then I tried removing some of the system apps like Rail yatra,, facebook, dhingana. i was able to remove them and then i finally booted my device. Since then I am getting the error "unfortunately system UI has stopped working" I am not able to open apps or receive calls. the system hangs. not even able to unroot the phone now as any apps will hang. even the control bar does not slide from the top. I am screwed. I have tried factory reset several times. in all different ways like from with system recovery or android settings. but i guess i am out of luck. can someone help me. :crying::crying::crying::crying::crying::crying::crying::crying:
depanakar said:
Hi, I have a spice stellar mi 500. i tried rooting the phone which worked fine and then I tried removing some of the system apps like Rail yatra,, facebook, dhingana. i was able to remove them and then i finally booted my device. Since then I am getting the error "unfortunately system UI has stopped working" I am not able to open apps or receive calls. the system hangs. not even able to unroot the phone now as any apps will hang. even the control bar does not slide from the top. I am screwed. I have tried factory reset several times. in all different ways like from with system recovery or android settings. but i guess i am out of luck. can someone help me. :crying::crying::crying::crying::crying::crying::crying::crying:
Click to expand...
Click to collapse
You have most probably messed the systemUI.apk which is located in /system/app or files associated with it. Did you remove any other apk's in which you weren't sure what it does?
In this case, Factory reset won't work because it just wipes user data and /system partition remains in tact. The nearest possible thing to do is to flash a stock ROM if exists or copy the deleted apk's borrowing from some one else's phone and place those apk's in /system/app partition setting the correct permission.
I remember exactly what I deleted. I I uninstalled Dhingana.com, Facebook and Rail yatra. I cannot start third party apps though I can install them. So I am not sure how to place the systemUI.apk in the directory /system/app. Can it be done through inbuilt file manager?
depankar said:
I remember exactly what I deleted. I I uninstalled Dhingana.com, Facebook and Rail yatra. I cannot start third party apps though I can install them. So I am not sure how to place the systemUI.apk in the directory /system/app. Can it be done through inbuilt file manager?
Click to expand...
Click to collapse
Nope, I guess not possible through default file manager. You have to use ES File Explorer File Manager or Root Explorer to place it in /system/app and change its permissions to rw-r-r.
coolsandie said:
Nope, I guess not possible through default file manager. You have to use ES File Explorer File Manager or Root Explorer to place it in /system/app and change its permissions to rw-r-r.
Click to expand...
Click to collapse
it get an error when i try yo copy the file to \system\app\. the error is copy failed. i am doing this with supersu previelege using esexplorer
coolsandie said:
Nope, I guess not possible through default file manager. You have to use ES File Explorer File Manager or Root Explorer to place it in /system/app and change its permissions to rw-r-r.
Click to expand...
Click to collapse
I tried replacing systemUI.apk to \system\app folder using esexplorer but i got error. error: copy failed.
is there a possibility I can get hold of a stock rom and flash it using update from SD card. the default android update manager?
depankar said:
I tried replacing systemUI.apk to \system\app folder using esexplorer but i got error. error: copy failed.
is there a possibility I can get hold of a stock rom and flash it using update from SD card. the default android update manager?
Click to expand...
Click to collapse
Make sure you've mounted the /system partition as R/W before attempting to Copy or setting permissions.
coolsandie said:
Make sure you've mounted the /system partition as R/W before attempting to Copy or setting permissions.
Click to expand...
Click to collapse
now how do i do that ? sorry for my questions.

[Q] need help to make a .apk installable from another rom

hi guys i have a .apk file i.e. sectabletplayer.apk from another rom i dont want to mention name. when i tried to install it like a general .apk file it says "Aap not installed" . i googled around alot found ADB injecter it says "installation failed" and reason for this error is "unable to mount system r/w " tried to make custom flashable .zip file the file existed in given path but not installed i mean not running totally useless. can anybody help me out of this?
try to set ON Unknown-Sources in Settings/Security/Device-management
ameya1990 said:
hi guys i have a .apk file i.e. sectabletplayer.apk from another rom i dont want to mention name. when i tried to install it like a general .apk file it says "Aap not installed" . i googled around alot found ADB injecter it says "installation failed" and reason for this error is "unable to mount system r/w " tried to make custom flashable .zip file the file existed in given path but not installed i mean not running totally useless. can anybody help me out of this?
Click to expand...
Click to collapse
First this app will only work on a stock/stock base ROM. Second, you need a root file app, like root explorer or root browser. In root explorer you have to select to give r/w permission.
Go to the location of the app, long press it and select copy. Then navigate back to
/system/app and paste it. Then long press it again, select permissions and make it rw-r--r--. Then reboot
Hopefully this will install for you. If it doesn't than the apk itself would need to be modified.
One last thing, if you have another sec.player.apk in system/app, you might need to change it from .apk to .bak then reboot before you begin the other process. You can just rename it back to
.apk and make sure permissions are right then reboot to re-enable it.
Lies, spewed poetically from galaxy S3!

i have deleted xbin folder in system/xbin path

Please Help I have deleted xbin folder in system/xbin in my samsung gts5303 and now i want to again root my samsung gts5303 but it is not rooting now.Firstly i have rooted it with Root Master android app but now when i m trying to reroot it with Root Master app it shows Sucessfully Rooted and also installs supersu app but not installs binary becouse binary is installed in system/xbin folder and i have deleted it.
and an unknown folder sbin is added in /sbin. and it is empty i have no root acess but when i m deleting it it is sucessfully deleted but when i comeback to / path it is added again
Now i m requesting you to please solve this problem and give me any app by which i can add xbin folder again in system/ with out root.and with out pc because i have not any pc...
thanks in advnce...
I hope you have a nandroid back up, otherwise it is going to be really hard to do with out a PC handy.
You will not be able to add File or folder in system even 3rd party app will not be able to write on system folder without root permission so try to full unroot the phone then again try to root so there is a chance of reinstalling binary again anyway don't you have nandroid backup?
how can i do nandroid backup
justmpm said:
I hope you have a nandroid back up, otherwise it is going to be really hard to do with out a PC handy.
Click to expand...
Click to collapse
what is nandroid backup how can i do this.
CWM for gts5303
please give me any CWM for my samsung gts5303 by which i can flash a .zip file to install binary again. thanks
i have also deleted all files in /sbin folder
And i have deleted all files in/sbin folder can it be a cause for not rooting .or deleting system/xbin folder.
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First Port to the Cube T7 Phablet.

After trying and trying and failing, I have finally figured out a way to port a rom to the Cube T7.
This has proven the only method (in my experience) to work. All the standard methods have failed
each time.
WARNING!!!!! THIS COULD BRICK OR DAMAGE YOUR PHONE
YOU ARE TRYING THIS AT YOUR OWN RISK. I WILL NOT BE HELD RESPONSIBLE
FOR WHAT HAPPENS TO YOUR DEVICE!!!!
Things you need.
latest Spftool
and the Rom package
NOTE:You need to know that you can't just flash the package I put together. You will
need to use the TWRP recovery that comes in the package to transfer file from your external sd to
the system folder and so forth. Also the proper permission to set.
Step 1: Flashing the images.
I've already pulled the correct img from each folder and put it together for you.
The only thing that you will need to do is extract the folder and use the spf tool to
install the firmware.
Note** In order to keep the 3.97 app storage, I've had to make sure to use the
Spf tool to do a full format except for the bootloader.
Step 2: Repairing the Rom
In the rar package, I included all the files need to fix the rom so
it will work smoothly on your phone. The files can be located in
the "system" folder which will need to be copied to your external sdcard
At this point you will already have flash the images and turn on the phone.
You will notice that the after you turn it on, you will get a warning that says "Cpu overheating"
or at least to that affect. This is not true by the way, this is from the fact the tp settings are off
from the original rom. Either way the warning will force boot your phone which again is fine.
Once this happens you will need to go to recovery.
Once in recovery make sure that you go ahead and mount your
system partition.
With this done you will be able to go to /system/etc/.tp
This folder contains the files that control the thermal manager for
the rom. You want to delete this folder. YES DETELE IT!!!
Once deleted, go to the system folder that you should have copied to your
external Sdcard. You need to copy /system/etc/tp to the exact location that you
just deleted the original.
Once you've done this you will need to set the permissions for the folder and the
files contained. The folder needs to be set to 0755 and the files inside need to be set to 0644.
Once done its best to go ahead and use the recovery to flash UPDATE-SuperSU-v2.46.zip to root your device before
restarting. Once restarted you will need to use root explorer or es explorer root function to
copy all the files to there correct locations and set their permissions. Each file is in its corresponding
folder as it should be in the system partition. All you will need to do is copy and past from the folder on the external and
paste to the same folder in the system partition. For those that may not know, all files will be set to 0644/rw--r--r-- and folders that you copy over will be 0755/rwxr-xr-x (if your using root explorer, just un check the group and others on the "Write" permissions.
Whats not working?
I can't figure out how to get the camera to working.
I've used standard tuts to try and copy the right files or libs
but not luck as of yet. If anyone figures out a way please share!!!
Also, if you have the fold case, the screen does not come on when you
open the fold. Also when double tapping the screen, this does not take it out of sleep
mode. From what I've seen those are the only things that dont work. If you see something
else, please report it to this thread.
Also in the package you will find the Carliv 3.3 recovery version for our phone.
Thanks to kushyree from needrom.com for building it for us.
He also has been assisting me in trying to port other roms to our phone. We owe him a lot of thanks.
Let me know if you guys need any help with this. I will do the best I can to try and help out. Enjoy.

Please Help: Viper4Audio 2.5.0.5 Troubleshooting on Android 4.2.2

Using SuperSU, BusyBox, ES File Explorer, and can't seem to get this app to process the audio. It's installed and the Viper app opens, but doing the thing where it asks me to install drivers everytime. I've tried these threads to troubleshoot:
https://forum.xda-developers.com/t/how-to-viper4android-install-the-proper-way-root-required.3691597/
I'm getting stuck at finding the soundfx folder in /system/lib/soundfx/
For some reason in File Explorer (and I've tried Root Browser too) I can't see the soundfx folder but I think it's there because when I try to create one it says can't use this name because folder already exists.
Also on step 4: 4. This step is dependent on your setup. If you are using a permissive kernel this is not necessary. If you're using SuperSU with an enforcing kernel you'll need to flash the ViPER4Android-supolicy.zip that is included in the attached zip file.
I am using SuperSU, but I have no idea how to flash the zip file they are talking about, and I don't know how to open a .zip files on this operating system.
I think there might be other ways to troubleshoot this problem because I've also found this link as well offering a different approach:
https://forum.xda-developers.com/t/...w-features-7-0-support.2191223/#post-39156761
The thing with this link above is I don't know the difference between a system app and a user app. I've been working on this for a few days now, and am trying to find a way to bounce ideas off of someone who understands this better than I do. Any help is greatly appreciated! Thanks again guys!

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