Questions tagged [superuser]

Superuser (also available as Superuser Elite) is an Android app that manages what apps on your rooted device have access to su i.e. which apps can run under the root account and thereby have full access to the system.

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36 views

Error when using DirtyCow

I get an error when launching an exploit CVE-2016-5195. The work of the exploit is completed, without getting root rights. I checked my phone for this vulnerability with make test, as a result I ...
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74 views

How to block network traffic going to a specific remote port?

Is there a way I could block a specific network port connection for a specific app in Android? My phone is rooted. I know iptables -I OUTPUT -p tcp --dport xx -j DROP but this blocks those ports for ...
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How to block TCP connections?

I have an app, a replica of a shooter game in Android. It is just for experimental use only, me and my friends are testing it. I need to block all TCP connections so I can test my security. But its ...
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Customising a custom rom

I want to know is it possible to edit a custom rom from zip and then zipping it again (flashable) to a device. Will it brick the device? Thanx
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Is it possible to make init stop restarting one of it's “services”?

My init is making the eris persistent, I don't know if the /system/bin/eris is important to keep android's good functionality but at this moment this "service" (the quotation marks are because i ...
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Do I Need a Super User app on a rooted phone?

Our company uses a few devices for in house tasks. I have the SU binary flashed to my devices. I have proprieteary apps installed that access the SU through hardcoded shell commands. My devices are ...
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2answers
463 views

Error in Galaxy tab a: 'Unable to restart your device. Verification failed' after supersu

I own a Galaxy tab a 10.1 with s pen (2016). I flashed via odin, twrp 3.1.1.0 and the system booted fine. Then I flashed the last version of SuperSU and since then the system doesn't turn on and I get ...
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1answer
276 views

Pervasive Kingroot app avoids uninstall

I managed to root my Verizon Samsung Galaxy Note 10.1 tablet with Kingroot, but I'd like to remove it and switch to using SuperSU (because of KingRoot's aggressive practices and somewhat shady ...
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1answer
95 views

How to edit the list of reserved ports (under 1024) on Android?

Is it possible to edit list of reserved ports on Android (0 - 1023) to move lower port (under 1024) to higher port (equal or above 1024). My mobile phone is rooted and I want to use lower port. One ...
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365 views

permission denied error trying to run custom script, but works in SSHDroid

I wrote this script to reset a USB controller: echo -n '1-2' | tee /sys/bus/usb/drivers/usb/unbind sleep 0.5 echo -n '1-2' | tee /sys/bus/usb/drivers/usb/bind I can then run it like so: q201:/data #...
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How to wipe sdcard?

I want to wipe sdcard, but am not sure how best it should be done. usually wiping is done into device, for example: cat /dev/urandom > /dev/mydev The thing is that I don't find a device which is ...
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Super user and supersu

I am facing a typical problem. I have rooted my android kitkat (4.4.2) device with kingo root and now I have a system application named superuser on it. The superuser app is unable to give root access ...
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505 views

Switching superuser permissions? [duplicate]

I used Kingoroot to root my Micromax Canvas A116 yesterday. And Kingoroot installed its own superuser app as a rooting procedure. The problem is kingoroot's superuser is paid and displays ads and ...
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941 views

android 8.0 su not working in terminal on Nexus 5x, ROOTed

android 8.0 su not working in terminal on Nexus 5x, ROOTed. Is anyone else experiencing the same problem? ROOT-based apps work fine, but in terminal emulators when I try su I just get a stalling of ...
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Phone stucked while booting with moto logo

After all for a game, I've done all the stuff that gets it to play the way i love. I did the following in the order as it is. Backed up my contents Unlocked the bootloader Flashed TWRP recovery ...
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115 views

What are the technical reasons of updating SuperSU?

After rooting a device , and installing SuperSU ( Chainfire or Coding Code Mobile Technology ) and everything is fine , let's say an update to SuperSU is available say after a few months Do I need ...
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Difference CFAutoRoot vs CFRoot vs SuperUser vs Armeabi-universal?

What difference CFAutoRoot with CFRoot with eu.chainfire.superuser with android-armeabi-universal-root-signed? I'm still a little bit confused. Thanks for help.
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Can multiple androids be paired to work on the same task?

PlayStation 3 consoles were combined to make a super computer. Can the Android phones be modified in the same way? Could I use the processing power of 2 phones to play a movie that 1 would not. https:...
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Get logs for file transfer using any medium

Is there any app (using root permission also if possible) using which i can get logs for file transfer using MTP or Over Bluetooth. I know about SysLog app but does it print MTP logs also. Any help ...
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290 views

The process of rooting

Rooting is the process of installing the "Super User" account in Android. Which are the processes carried out in rooting ? I mean how actually it's done ? Apps like Kingroot can root many devices in ...
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3answers
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How to use dirty cow exploit?

I got Sony m4 aqua with locked bootloader, android 6.01 and july 1 2016 security patch, no DM verity... I would like to freeze few factory apps via adb's pm disable command (or any other way possible)....
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Titanium Backup unable to obtain root permission

I recently updated my SuperSU to 2.79. Titanium Backup has stopped working since then. I've tried reinstalling it and clearing data and cache too. Strangely, it is trying to obtain SuperUser ...
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Plot twist: could a rooted device be actually safer than a non-rooted one?

For almost 10 years, I have been using Linux based operating systems, so I know very well how giving root access to applications may be a security issue. However, from my searches regarding Android, ...
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645 views

In superuser app what does force user do and what are there meanings

I'm using a Samsung Galaxy tab Pro 10.1 I have rooted my device and I have general knowledge but I am not an expert on tablet settings and controls so I would like to ask the following question's. ...
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Moved mp3's from internal storage to sdcard with su privileges - music apps don't see them now

In order to free up space on internal storage I opened a terminal and su removed some uneeded files. While still su root, I also moved my mp3 collection out of internal storage onto the external ...
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Can an app with root permission access another app data?

I have an rooted android phone and use root apps like greenify regularly. Recently i have installed my Bank application on my phone and the bank application is not allowing me to login as my phone is ...
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How do you get AdAway to update the hosts file on 7.1 Beta?

I'm trying to get Adaway to work on 7.1 beta on my Nexus 6P. Unfortunately, the flashable zip did not work to move the hosts out of system. Neither did the flashable hosts file. I tried some of the ...
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687 views

SuperSu doesnt show up on TWRP

I installed TWRP successfully. On my phone i downloaded the SuperSu Zip. When i click install on TWRP it doesnt show up. Can Anyone tell me what to do to make it show up. Info: -Phone = J7 (2016) ...
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52 views

Some icons missing all-together

Below I discuss SuperSu as an example but I suspect there are more apps affected as well. I go to open SuperSu and discover that its nowhere to be found. I tried GoogleNow launcher I tried Nova ...
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Is kernel mode of operating system and root permissions in android same thing?

As written in book of Peter Baer Galvin's Operating System Concepts , there are two modes of operation - 1.user mode 2.kernel mode So, my question is when we root our android do we alter the ...
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Le eco le 2 Android 6.0 : How to share my computer internet on my android with USB?

Having troubles sharing my internet connection from my desktop computer to my LE ECO LE 2 compact phone. I went to Settings -> Network connections -> USB connection. From this post (a bit old, it's ...
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Problem in rooting

Two weeks ago I tried to root my android phone using Kingo root app on android but somehow it went wrong and it stopped but it copied the Superuser.apk to system/app and now I want to delete that file ...
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Need superuser permission for TMS [duplicate]

for some cloud syncing purposes I want to give TMS (Titanium Media Sync) superuser privilege over my rooted device even if it doesn't asks for it. I use SuperSU.
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1answer
1k views

SuperSu update binary error

I have a lg optimus g pro f240 running on android os version 4.4.2. I recently rooted the phone using the software in This thread I have installed SuperSu though each time I try and open it, it tells ...
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su command not working, eventhough I am rooted

My problem is that my rooted android phone with Terminal Emulator app doesn't seem to be executing the 'su' command correctly. I am trying to execute this command, after having executed the 'su' ...
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How does SuperSu provide root privilege?

Has a write-up ever been released on exactly how SuperSu works? After searching around for a while I found mostly guides on who to use the app, no the implementation details. I did, however, find ...
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2answers
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Stuck on “verification fail” while Rooting Moto G 3rd gen

I am trying to root my moto g 3rd gen. I am following this guide: http://theunlockr.com/2015/09/09/how-to-root-the-motorola-moto-g-3rd-gen/ I am completely stuck on Step 7: installing SuperSu on the ...
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Does SuperUser (from koush) work on 4.4.2?

I've installed update.zip (from download.clockworkmod.com) via the recovery, /system/xbin/su file exists: $ ls -l /system/xbin/su -rwsr-sr-x root root ...
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Samsung Galaxy S3 cannot be accessed by pc after root

I did this to my samsung galaxy s3 and it cannot be accessed by a pc using usb. Rooted android 4.2.2 using kingo root Installed TWRP Installed LiquidSmooth for galaxy s3 Installed GAPS Apparently ...
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350 views

How to replace KingrootSU with Superuser Elite?

Just rooted my new Chinese tablet - an adventure for me. I used Kingroot apk. It uses KingrootSU app as GUI manager for superuser permission. I want to use my Superuser Elite instead though. How can I ...
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Replace su binary with another one

I have the SuperSU installed (with su binary in /system/xbin), and another su binary compiled from SuperUser sources by myself. I want to replace the existing su binary by my one via the command ...
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461 views

How to install superuser HD2 rom on SD card

Usually I just install superuser.zip through recovery. But now nothing happens. I tried using TWRP both from NAND and from SD (latest version with F2FS support). I try to root this rom: SLIMLP LP5.1.1 ...
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Download files of devices that connected into my WiFi Hotspot

Is it possible to download or watch the directories of the devices that connected into my WiFi hotspot ? or Is there any way to collect personal data from the connected devices ? . Please NOTE THAT I'...
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How to root Doogee Voyager2 DG310 & other mt6582 Devices (permanently) with EngMode?

Using the Mediatek mt6582 SOC Engineering Mode available on the Doogee Voyager2 DG310, with the Debug option User2Root an adb daemon running as root becomes available temporarily. This will need USB ...
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7k views

Overwrite /system/bin/su using adb

Can't overwrite su file in /system/bin/ my stupid classmate put a prank on me and inserted a different su binary coming from his linux pc instead of the already existing su in /system/xbin/ I want to ...
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Can an app keep onto its root access permissions after the phone is turned off?

My question is plain and simple. Can an app keep onto its root access permissions after the phone is turned off? Is there a way an app with root access can keep this permission and start running with ...
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478 views

Device lose root access after installing SU .zip update from stock recovery

I rooted my device, Samsung Galaxy S3, by connecting my device to pc via usb, and one-click-root with KingROOT application(on my pc). It automatically install a superuser on my device, but it's not ...
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290 views

Shell with su cannot remount /sytstem. adb can.

I am trying to mount the /system file partition in Android as rw. I have ro.insecure=0 in my default.prop. I have su installed and working correctly. I can remount the file system using 'adb remount' ...
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Vodaphone 875 Uninstall SuperSu

I own a Vodaphone 875 model phone, which I rooted previously using Cydia Impactor. Installed SuperSU, everything was fine and dandy, and when I needed to transfer it to another person who wasn't ...
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Root checkers tells me my phone is rooted but most root required apps warns me that the system denied to root. Why? Anyone, please explain it to me

Before my phone was said to be rooted by root checkers, I tried many rooting apps, both Android and PC based. The first significant change which happened occurred when I first installed and used the ...