[FIXED][Any Solution] Viper not working after emui update

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venugopalu007

Senior Member
Jun 9, 2017
3,400
594
rajahmundry
Viper is my favorite audio mod, i love to use it,
In previous version of my buid, it worked perfectly.
But after another update , the viper is not working:crying:, it says "I\O error " driver not install something..

Any guide or trick to work it back:(
 
Last edited:

venugopalu007

Senior Member
Jun 9, 2017
3,400
594
rajahmundry
I always use Viper4Android and I don't have any problem, I find steps which I wrote somewhere before

---------- Post added at 12:31 ---------- Previous post was at 12:29 ----------

I got same problem, solutions for my was:

1. install BusyBox by Meefik ( Google play)
2. install Kernel Adiutor ( https://github.com/yoinx/kernel_adiu...pp-release.apk ) ( Kernel Adiutor from Google play dont work)
3. opem BusyBox tap Install
4. open Kernel Adiutor and go to Misc Controls, change Current SELinux Status: Permissive (after reboot SELinux stay premissive )
5. flash Viper4 via TWRP
6. go to folder: root/vendor/etc and rename file from audio_effects.conf to audio_effects.conf.bak
7. open Viper4
8. Install driver (thats can take 1-3 min)
9. reboot - done

this I do always

i will try this and report you ,:)
 

venugopalu007

Senior Member
Jun 9, 2017
3,400
594
rajahmundry
still issue
 

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venugopalu007

Senior Member
Jun 9, 2017
3,400
594
rajahmundry
U don't have error message during installation driver? For me this order always works

---------- Post added at 07:07 PM ---------- Previous post was at 07:05 PM ----------

Later I can uninstall Viper, I'll make another guide, maybe clearly explain steps. Anyway I send couple times to another members and installation was successful. U do all restarts?

so many times tried :(
 

[email protected]

Senior Member
Feb 17, 2014
87
25
maybe you should check selinux status..
go to terminal:
getenforce

If it restore to 'enforcing' while reboot.
you should edit init.rc and add command:

setenforce 0
 
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[email protected]

Senior Member
Feb 17, 2014
87
25
can you explain steps wise ,i can understand easily

I means that android will restore selinux status to 'enforcing' after doing a reboot.
So need add a command in boot-script to set selinux status to 'permissive' .

Look at the attaching PNG, after reboot it back to 'enforcing'

sorry ,my English is bad..
 

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  • 1
    If you're on EMUI5, just flash Magisk and install Viper4Android via Magisk modules.
    1
    installed sucessfully , but app is not showing :confused:

    Yeah because you have to install the Viper APK file. Look the zip file installs the files which the app does at its first run. Now that you have already installed those files, viper app should detect them and should load up fine.
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