How to make Viper4android work on stock rom - Moto G 2015 Q&A, Help & Troubleshooting

I'm running on stock rom rooted and busybox installed. Tried to install viper4android but no luck. The driver installed correctly but there is no audio processing. SElinux is set to permissive. Any idea how to get it working???

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[Q] Unable to install driver for Viper4Android XHIFI

Friends
I just downloaded the Viper4ANDROID XHIFI Mod on my rooted Galaxy Nexus running Android 4.3 and also has BusyBox 1.21.1 installed
After installing V4A when I opened the app I was prompted with the driver I want to install; not knowing which is the right one for me I selected CortexAX with NEON (please advise me on the best to choose)
After that I repeatedly got the message "Driver install failed. Please confirm your phone has been rooted and busybox installed" - both of which has been done already. No matter which driver I select, I keep getting the same error.
I previously installed the V4A available on the Play Store but thought of getting the one straight from XDA
Please advise on how to get the driver installed and which is the right one for me
Many thanks!
probuddha said:
Friends
I just downloaded the Viper4ANDROID XHIFI Mod on my rooted Galaxy Nexus running Android 4.3 and also has BusyBox 1.21.1 installed
After installing V4A when I opened the app I was prompted with the driver I want to install; not knowing which is the right one for me I selected CortexAX with NEON (please advise me on the best to choose)
After that I repeatedly got the message "Driver install failed. Please confirm your phone has been rooted and busybox installed" - both of which has been done already. No matter which driver I select, I keep getting the same error.
I previously installed the V4A available on the Play Store but thought of getting the one straight from XDA
Please advise on how to get the driver installed and which is the right one for me
Many thanks!
Click to expand...
Click to collapse
There's a reply the official thread mentioning mounting with Terminal Emulator. I don't have enough post count to ask that member if there is anything necessary after installing drivers, like unmounting, or anything else.
probuddha said:
Friends
I just downloaded the Viper4ANDROID XHIFI Mod on my rooted Galaxy Nexus running Android 4.3 and also has BusyBox 1.21.1 installed
After installing V4A when I opened the app I was prompted with the driver I want to install; not knowing which is the right one for me I selected CortexAX with NEON (please advise me on the best to choose)
After that I repeatedly got the message "Driver install failed. Please confirm your phone has been rooted and busybox installed" - both of which has been done already. No matter which driver I select, I keep getting the same error.
I previously installed the V4A available on the Play Store but thought of getting the one straight from XDA
Please advise on how to get the driver installed and which is the right one for me
Many thanks!
Click to expand...
Click to collapse
Did you ever solve this issue? I'm seeing the same problem.
Hello
Viper4Android XHIFI project has been stopped now by the developer .First try different drivers during installation .If it doesn't work try reinstalling busybox , it happened to me sometime back . Before that try V4A FX app also if it works then XHIFI may be incompatible . Last chance is to get the desired V4A driver (libv4a_xx_xx.so kernel file) from extracting apk and to place it in /system/lib/audio/ folder manually and reboot .
Hope it works
4shreyas said:
Hello
Viper4Android XHIFI project has been stopped now by the developer .First try different drivers during installation .If it doesn't work try reinstalling busybox , it happened to me sometime back . Before that try V4A FX app also if it works then XHIFI may be incompatible . Last chance is to get the desired V4A driver (libv4a_xx_xx.so kernel file) from extracting apk and to place it in /system/lib/audio/ folder manually and reboot .
Hope it works
Click to expand...
Click to collapse
Thanks. V4A FX app appeared to install the driver fine, and I guess I don't need XHiFi if I have that. However, even though it is installed, it doesn't sound as if it is having any effect. I'll try uninstalling and re-installing it again.
Helllo
Cheers ! Did you reboot after installing V4A FX driver ? If not do it and by itself V4A will be disabled and you should enable it in the master power controls in different sections (phone-speaker,headset,bluetooth,usb) of V4A app . Then you can modify each settings for your needs in realtime while hearing music . You can also check if driver is working or not in options/Driver Status . If any of these doesn't work use FX compatible mode in options .
Hit Thanks if it works !!
4shreyas said:
Helllo
Cheers ! Did you reboot after installing V4A FX driver ? If not do it and by itself V4A will be disabled and you should enable it in the master power controls in different sections (phone-speaker,headset,bluetooth,usb) of V4A app . Then you can modify each settings for your needs in realtime while hearing music . You can also check if driver is working or not in options/Driver Status . If any of these doesn't work use FX compatible mode in options .
Hit Thanks if it works !!
Click to expand...
Click to collapse
Things are working now, thanks. I wound up needing to remove XHiFI and V4A FX, then re-installed just V4A, re-installed the driver, rebooted, reset it to be default music effect, and it's working again.
I had this issue with my LG G2 (Verizon model) I was trying to install the Viper driver (High Quality sound) but my busybox couldn't install. "Unable to verify my root" error. So I tried a different route...
Use this app to install busybox (instead of the official one) and it should work.
https://play.google.com/store/apps/details?id=com.jrummy.busybox.installer&hl=en
Good luck!
V4A Kernel file
4shreyas said:
Hello
Last chance is to get the desired V4A driver (libv4a_xx_xx.so kernel file) from extracting apk and to place it in /system/lib/audio/ folder manually and reboot .
Hope it works
Click to expand...
Click to collapse
Where can I find that kernel file? I am having the same issue. The message is "Driver Install Failed, the busybox found on your device does not work.
This usually means you installed the wrong or broken busybox, V4A needs stericson bisybox to work. if you sure about having installed the proper busybox, then please confirm your device has been totally rooted."
Phone- Sony Xperia C
1. My device is properly rooted.
2. Busybox is same to which the app redirects.
What are my options?
sgshubham said:
Where can I find that kernel file? I am having the same issue. The message is "Driver Install Failed, the busybox found on your device does not work.
This usually means you installed the wrong or broken busybox, V4A needs stericson bisybox to work. if you sure about having installed the proper busybox, then please confirm your device has been totally rooted."
Phone- Sony Xperia C
1. My device is properly rooted.
2. Busybox is same to which the app redirects.
What are my options?
Click to expand...
Click to collapse
Try reinstalling busybox from this app and try again. Manual installation of V4A driver is not working now.
picaso86 said:
I had this issue with my LG G2 (Verizon model) I was trying to install the Viper driver (High Quality sound) but my busybox couldn't install. "Unable to verify my root" error. So I tried a different route...
Use this app to install busybox (instead of the official one) and it should work.
Good luck!
Click to expand...
Click to collapse
Not working, same problem.
4shreyas said:
Try reinstalling busybox from app and try again. Manual installation of V4A driver is not working now.
Click to expand...
Click to collapse
Broken link...
I have busybox installed, and I am rooted, but V4A still says the installation failled. Getting truly frustrated.
Yeup, same thing...tried a couple of busybox's, different versions of V4A...no gettin through (Note2-eclipse v7)
Same
Been trying to install the driver for Viper4android, but it says the busybox installed is not the right one. I'm rooted and have no custom rom installed. Anything to do so the viper4android can instal on my lg g3 t mobile?
FelphIkezawa said:
Been trying to install the driver for Viper4android, but it says the busybox installed is not the right one. I'm rooted and have no custom rom installed. Anything to do so the viper4android can instal on my lg g3 t mobile?
Click to expand...
Click to collapse
This fixed it for me:
"If anyone is having trouble installing driver for Viper4Android Just go to superSu settings and uncheck the namespace checkbox and reboot. After that the driver for Viper will install."
http://forum.xda-developers.com/showpost.php?p=66213614&postcount=21916
Posted by OGdroidster http://forum.xda-developers.com/member.php?u=7108123
Give him a thanks if this works for you :good:
No succes after uncheck the namespace checkbox and reboot.
Nexus 5 MMB29x
If this helps, running:
Busybox Free version 1.24.1
Installed in system/xbin AND system/bin (dropdown on Busybox install screen under version)
SuperSU - Mount namespace separation UNCHECKED
SELinuxModeChanger set to PERMISSIVE
That did it! Thanks for superfast support!
JacRyan said:
If this helps, running:
Busybox Free version 1.24.1
Installed in system/xbin AND system/bin (dropdown on Busybox install screen under version)
SuperSU - Mount namespace separation UNCHECKED
SELinuxModeChanger set to PERMISSIVE
Click to expand...
Click to collapse
you just saved me sir, thanks!
Worked perfectly
JacRyan said:
This fixed it for me:
"If anyone is having trouble installing driver for Viper4Android Just go to superSu settings and uncheck the namespace checkbox and reboot. After that the driver for Viper will install."
http://forum.xda-developers.com/showpost.php?p=66213614&postcount=21916
Posted by OGdroidster http://forum.xda-developers.com/member.php?u=7108123
Give him a thanks if this works for you :good:
Click to expand...
Click to collapse
Awesome! This worked for me after a lot of frustration. Thank you very much.
JacRyan said:
This fixed it for me:
"If anyone is having trouble installing driver for Viper4Android Just go to superSu settings and uncheck the namespace checkbox and reboot. After that the driver for Viper will install."
http://forum.xda-developers.com/showpost.php?p=66213614&postcount=21916
Posted by OGdroidster http://forum.xda-developers.com/member.php?u=7108123
Give him a thanks if this works for you :good:
Click to expand...
Click to collapse
Worked for me as well! Wondering if this is a recent problem as I've had Viper installed up to a few days ago. Had to install on a new phone, same model.

[Q]V4A on stock android MM?

i tried lots of methods to get it work,but none of them can active v4a.
does anybody know how to use it on stock MM? thanks
Methods I tried:
1.download latest v4a from official site or someone makes it flashable zip like
this
2.update busybox the the latest version
3.install SELinux Changer and change to permissive
4.using Titanium Backup to freeze MusicFX
5.launch V4A,install the driver and reboot
(somebody says that /system/vendor/etc/audio_effects.conf should be deleted before install the driver)
6.launch v4a,switch to compatible mode and force enable v4a. go to walkman and play music,there is nothing change when i switching on and off

Audio Mods for A7 (2018)

///Solved///
How can I install any audio mod on this phone? I've already tried to install with Magisk and TWRP:
Viper4Android, Dolby Atmos, Sony's EQ, ARISE Magnum Opus with no luck... I tried uninstalling SoundAlive and Adapt Sound, aslo deleted strings containing "soundalive" from the audio_effects_common.conf file, but still nothing seems to work :crying:
Please help...
///Solved///
Also can someone port this mod work on this device?
My device is SM-A750FN running android 8.0 stock.
EDIT: Now I found that I can install the official V4A app (v. 2.7.1.0) from here and install the driver successfully. The app gets displayed as a module in Magisk. I installed the ZhuHang's IRS and it works flawlessly with the built in dolby atmos and soundalive. I also use the Ainur Sauron module.
Note: Do not install V4A Legacy module from Magisk, it's not working!

Install Viper4Android on Minix x8-h Plus with Android 5.1.1 finless 1.0 rom rooted

Ive tried downloading several different versions of Viper4android and Dolby Atmos and I can't seem to get it to work. My drivers in Viper4Android say Status:Abnormal.
Am I required to set SELinux to permissive if I'm rooted?
My device is rooted and I prefer not to set SElinux to permissive. Is there any way around it?
Will any Viper4Android version(even the latest version) work with lollipop 5.1.1?
Do I need a specific version of Dolby Atmos to work?
I have Magisk installed and tried installing the Audio Compatibility Patch and Audio Modification Library and installing the drivers, then i uninstalled them and reinstalled the drivers but nothing is working. When I try to open the Dolby Atmos app it force closes. The Viper4Andriod app opens fine but it says drivers are Abmornal. This is for my minix box which has a bluetooth speaker connected to it and I'm trying to get better sound coming out of my Bluetooth speaker for watching movies.
I tried using this method also
but the link in the description is not working https://labs.xda-developers.com/store/app/com.pittvandewitt.viperfx so I tried using another version I found online which bundled Viper4android and Dolby Atmos.

Question Viper4android Driver issue

Hi all.....I have TWRP recovery and latest magisk installed on my S21+ working fine but can't get the viper4android driver to install
I heard there is a way but i have been out of the loop with this stuff for a while. i tried various flashable nonroot zips to install the driver it did not work. Also tried from within magisk plugins also not working. The App is there and runs just not the all important driver to make it all work, anyone know how?? I aslo tried audio modification plugin from magisk and trying to force permissive mode not working at all...no luck so far.
Got it working by installing the attached version of viper4android AFTER everything listed below.
hope it helps someone else
Also have under magisk modules
Audio compatibility patch
Audio modification library
SElinux permissive
viper4androidFX 2.7.21

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