Develop Bugs

Dirty Unicorns can't install V4A drivers

Hey guys. I'm trying to get viper4android working on my Nexus 5x running the most recent stable version of Dirty Unicorns.
I tried just normally installing the apk. Changing selinux to permissive. I have the newest version of su and BusyBox installed and yet the driver refuses to install. Every time I restart my phone it says I need to install the driver.
I've been looking around online and I can't seem to find a good answer for what exactly I need to do to get it working.
The popular thread in the Nexus 6 section has way to much info and I just can't follow it to install it properly. I basically want viper4android so I can use pulse with Spotify.
Any help would be appreciated. Thank you!

Flash either of these ViperAudio or ViperAtmos (if you want Dolby Atmos too) in TWRP. It works even with systemless root and enforcing SELinux.

przemcio510 said:
Flash either of these ViperAudio or ViperAtmos (if you want Dolby Atmos too) in TWRP. It works even with systemless root and enforcing SELinux.
Click to expand...
Click to collapse
Worked great! Thank you very much for the help!

v4A on magisk16.4 may update?

Has anyone been able to get a v4a module working on 16.4 and the may update? I tried installing the module by viper50 and ahirion that has worked so well in the past... Doesn't seem to be enabling for me this time around for some reason. Any ideas?
Or other mods to recommend?

V4a v2.5.05 working fine with magisk 16.4 and may update here.

EnIXmA said:
V4a v2.5.05 working fine with magisk 16.4 and may update here.
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Same here, everything working smoothly with v4afx_v1.6.9.zip and magisk 16.4. Viper also works on P dp2.

Taebom said:
Same here, everything working smoothly with v4afx_v1.6.9.zip and magisk 16.4. Viper also works on P dp2.
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Are you flashing in magisk or twrp? Which module are you using? Thanks!

I'm neither of the other posters, but flash V4A via Magisk using the module authored by Viper520, ZhuHang, Ahrion, and Zackptg5. Be certain that you select the new driver and the materialized version of the app for V4A to work properly.

Strephon Alkhalikoi said:
I'm neither of the other posters, but flash V4A via Magisk using the module authored by Viper520, ZhuHang, Ahrion, and Zackptg5. Be certain that you select the new driver and the materialized version of the app for V4A to work properly.
Click to expand...
Click to collapse
This ^^ : point upwards: ! Especially the underlined part; it took me a whole lot of trial and error to figure this last part out...
In any case, I used the latest Magisk module (if you check the details of the modules, it'll show when it was last updated). If anything, supposedly you could just install straight away, but V4A gave me errors. I had to uninstall the existing V4A, reboot, install via Magisk module, and reboot before it worked. You (@Cowbell_Guy) might, at the very least, have to walk through the same steps for whatever reason...
Hope this helps...

[SOUND][8.X][D6603][Z3][CARBON ROM] Dolby Digital Plus AND Viper4FX for OREO

Just want to sharing some alternative to making our D6603 sounds boom... and seems can implement to other phone because all of components that i have installed are universal (wish work on all phone other than D6603), just try it but don't blame me
After fighting about 2 weeks to getting DOLBY (effect) including VIPER4 in my D6603 with latest CARBON Rom, finally i found an alternative for that.
Because when i try to install Dolby Atmos (standard/unity) always "unsuccessful", installed but no app in drawer that made me headache
My phone configuration :
- Magisk 17.1 + init.d injector
- SELinux permissive.
- AML and ACP installed. Get in here (for supersu seems AML modul not necessary because the installer will search magisk directory, so you just need ACP modul)
- Viper4 FX from here
- DOLBY DIGITAL PLUS for 8.x (i found in somewhere at XDA, thanks already make it work on OREO :good: really appreciate it)
Step: i am installing all components below via TWRP (you can try with your own way)
1. DDP.
2. VIPER4FX. (to escape from Viper4 FX asking the driver installing repeatedly, please install it after DDP or other sound mod.)
3. ACP (additional).
4. AML (essential), better doing at last because will detect and patching audio module on DDP and VIPER4 for compatibility.
On each step i do reboot then back again to TWRP (only want to making sure the components already installed).
When all done let try boot to system and open Viper4 (check the driver is installed or no), next playing the music, the lasting is open DDP to getting more bass. ENJOYING your music.
Noted: for compatibility reason i remove musicfx/audiofx from system. please do backup first.
Results :
- Phone speaker, WORK.
- Headset, WORK.
- Bluetooth speaker, WORK.
- Jack 3.5, WORK.
Playing music via Spotify and internal player all work.
If it work on different Phone than OP, please report back. Would be appreciate it.
Thanks to
- @Myself5 for Carbon Rom
- @guitardedhero @worstenbrood for DOLBY DIGITAL PLUS 8.x
- @nailyk for the TWRP
- @ahrion @Zackptg5 for Viper4 FX AML ACP
- @topjohnwu for Magisk
- @matt1313 that already provide DDP installer for 8.x

Work like a charm
Thank you

Can I somehow only get the Dolby?

RaySupreme said:
Can I somehow only get the Dolby?
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Click to collapse
Yes, you can.

Simply flashing the package right? No need of anything else

RaySupreme said:
Simply flashing the package right? No need of anything else
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Click to collapse
Correct. Just flashing all packages, and i suggest you to install Viper4 at the end (if you prefer)

If SELinux is enforcing this won't work?

vinoxflame said:
If SELinux is enforcing this won't work?
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Click to collapse
DDP need permissive mode, will set by dolby.sh in init.d
If your rom doesn't have init.d but you use Magisk, just copy dolby.sh to /sbin/.core/img/.core/ service.d or post-fs-data.d
Viper4 can work on enforcing mode.

alfan.y said:
DDP need permissive mode, will set by dolby.sh in init.d
If your rom doesn't have init.d but you use Magisk, just copy dolby.sh to /sbin/.core/img/.core/ service.d or post-fs-data.d
Viper4 work on enforcing mode.
Click to expand...
Click to collapse
Will this work on S7 Oreo supersu root?

COOL

slimcyril said:
Will this work on S7 Oreo supersu root?
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Click to collapse
Why not try it and report back
For supersu i think you just need DDP, ACP, VIPER4 and making sure your init.d and permissive are work.
Those modules can install on Magisk or System.

alexaander said:
COOL
Click to expand...
Click to collapse
it's work for you?

alfan.y said:
Why not try it and report back
For supersu i think you just need DDP, ACP, VIPER4 and making sure your init.d and permissive are work.
Those modules can install on Magisk or System.
Click to expand...
Click to collapse
Didn't work on stock S7 supersu root

slimcyril said:
Didn't work on stock S7 supersu root
Click to expand...
Click to collapse
For dolby or Viper4 that don't work? Have you set permissive mode for dolby?

alfan.y said:
For dolby or Viper4 that don't work? Have you set permissive mode for dolby?
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Click to collapse
Yes & was permissive, viper works but Dolby force closes

slimcyril said:
Yes & was permissive, viper works but Dolby force closes
Click to expand...
Click to collapse
your init.d work, right? Because i just try installed DDP only on 5.x firmware with supersu and work :good:. How about /system/su.d any issue or no?
In my opinion, this DPP actually can running on 5.x-8.x firmware with supersu/magisk. See this video to confirm on 5.x ...sorry, no idea probably the issue came from stock rom.

alfan.y said:
your init.d work, right? Because i just try installed DDP only on 5.x firmware with supersu and work :good:. How about /system/su.d any issue or no?
In my opinion, this DPP actually can running on 5.x-8.x firmware with supersu/magisk. See this video to confirm on 5.x ...sorry, no idea probably the issue came from stock rom.
Click to expand...
Click to collapse
DDP doesn't work on all 8.x firmware & works on older android, it might work for you but not everyone, thus it was said in Arise thread that DDP won't work on all 8.x, init.d & su.d works here.

Im using redmi 4x with latest aex oreo rom
- works on speaker
- DDP crashes sometimes
- when using headset both DDP and Viper doesnt works on spotify and music player, but in youtube or other video player it works well.
Maybe you can help me fixing this problems, thanks

[GUIDE] How to install Viper4Android and Dolby Digital Plus.

I have successfully put together a method to get Dolby Digital Plus and Viper4Android running on Redmi Note 8 Pro. Firstly I am rooted on 11.0.6 Global and using LR-TWRP as recovery. On another note I have tried nearly every recovery on this Forum but the only one that doesn't give me a black screen the LR-TWRP.
1. First you need to get the Android running in Permissive mode. For me the Magisk module DID NOT work. To get permissive I found a file on another forum that someone was using on other Redmi devices. It works perfectly with no flaws. Boot into TWRP flash Permissiver_v4_2.zip. And boot back into the device.
***Note.. If you upgrade rom using TWRP as I did from 11.0.2 to 11.0.6. You will have to reflash this file to get everything running properly.
2. Open Magisk and flash ViPER4Android_FX-v2.7.1.0(2710).zip. Reboot device and the open V4A. You should be prompted to install driver. Do so and reboot if prompted to, I don't remember for sure if it makes you or not.
3. Open Magisk and flash 2.1Audio_Modification_Library-v2.4.zip and then reboot.
***NOTE.. Only this version of Audio Modification I have had luck with getting this to run. I updated this file after having everything completely setup and working and it broke V4A and Dolby. Had to uninstall and reinstall this version..
4. Boot into TWRP, NOT Magisk and flash Dolby_Digital_Plus_v.6.5.zip
5. On reboot confirm everything is working. For me it is working flawlessly. Below is a link to the files you will need.
DOWNLOAD

Gonna try this now because the previous tutorial about v4a does work but the moment I plug in my earphones, the status changes to "abnormal"

djgilquirino said:
Gonna try this now because the previous tutorial about v4a does work but the moment I plug in my earphones, the status changes to "abnormal"
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Click to collapse
That is likely due to your phone not being in permissive mode. I've seen that guide as well. I took my past knowledge of getting Viper + Dolby to work and came up with this solution. Being in permissive mode is required for both apps to function

I just found out the reason why my V4A doesn't work when I plug in my headset/earphones. To all those who use poweramp and set your output to "Hi-Res Output", make sure your sample rate is set to 48khz. Setting it to 96khz and up changes the status on V4A to abormal and won't work.

Thanks bro. It is working for me as well you made my day..

rraghava10 said:
Thanks bro. It is working for me as well you made my day..
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Awesome my dude!! Glad I could help. I'm new to writing guides but love this device and would like to encourage its development as much as I can.

When I flash V4A it functions properly however my SIM card is no longer recognize. When I uninstall V4A my sim is restored. What's up with that?

chugs said:
When I flash V4A it functions properly however my SIM card is no longer recognize. When I uninstall V4A my sim is restored. What's up with that?
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That is extremely weird. Never heard of anything like that before. Just a couple thoughts but do you have BusyBox installed through Magisk and have your phone set to permissive already?? Also what MIUI version are you running. I have tested this successfully on 11.0.2 and 11.0.6 Global.

I'm still down on 10.4. I haven't been convinced to move to 11

Worked perfectly from EEU (EU) rom moved to 11.0.6 (Global)!
Thank you very much!

alejandromujica.rsm said:
Worked perfectly from EEU (EU) rom moved to 11.0.6 (Global)!
Thank you very much!
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Click to collapse
Your welcome and that's awesome.. Glad I could help bro!

https://ibb.co/YLt7r7s result miui global 11.0.2 err

anasfanani said:
https://ibb.co/YLt7r7s result miui global 11.0.2 err
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You are not permissive. That is the exact error I got before I found the file I reference to flash to get 'permissive'. To check your status go to terminal and first 'su' to get root. Then type 'getenforce'. Make sure your device is showing permissive. If this is notthe problem I would be surprised. Let me know and I will help you work the problem..

bpawnz said:
You are not permissive. That is the exact error I got before I found the file I reference to flash to get 'permissive'. To check your status go to terminal and first 'su' to get root. Then type 'getenforce'. Make sure your device is showing permissive. If this is notthe problem I would be surprised. Let me know and I will help you work the problem..
Click to expand...
Click to collapse
Thanks. The problem is in selinux magisk module. I uninstalled and install other selinux app from https://github.com/MrBIMC/SELinuxModeChanger and its works

anasfanani said:
Thanks. The problem is in selinux magisk module. I uninstalled and install other selinux app from https://github.com/MrBIMC/SELinuxModeChanger and its works
Click to expand...
Click to collapse
Awesome. The file I reference will change se status from boot. That app I think you have to set it after every reboot if I remember correctly. Regardless I'm glad you got it working. FYI.. Dolby won't show up as an installed app if your not running permissive as well. I know that from trial and error. Glad you got it working!

Steps work. Will confirm if this is any better than standalone V4A
[Update]
Yup. Definitely way better sound quality comparing to the previous methods i used. Also thanks for sharing permissiver.. The previous way i used to change SELinux was a massive pain in my neck. (Global phone on 11.0.2 Global ROM) Looking to see how v4a will fare in upcoming custom ROMs.

Do we have any dual speaker audio sound mod for our note 8 pro global?

+1 to dual speaker mod!

bpawnz said:
Awesome. The file I reference will change se status from boot. That app I think you have to set it after every reboot if I remember correctly. Regardless I'm glad you got it working. FYI.. Dolby won't show up as an installed app if your not running permissive as well. I know that from trial and error. Glad you got it working!
Click to expand...
Click to collapse
Dolby digital is not working after android 10 update... need the version update

Dear all, please note and be aware, this mod will not work on android 10 because
1. dolby digital version is not supported as i stated earlier..
2. when we change SE linux to permissive, phone becomes laggy and many secured application will not work... i have personally tried that may be because of high security of android 10.. i think we will need a custom rom

How To Guide [AOSP][How To]Viper4android on OnePlus 9 Pro (tested on AOSP 13)

Hello everyone,
After a bit of research, I found out that many people with a OnePlus 9 Pro, myself included, struggled with installing viper4android.
Luckily and accidentally I discovered this GitHub repository!
It all works only with a magisk module installation.
After a reboot you're good to go.
I've tested it on Nameless AOSP 13 with SELinux enforcing.
Users have reported incompatibility with OxygenOS.
Nonetheless you can try and see if it works for you.
Cheers!

WOW
It actually worked, what a godsend. Thank you for this kind sir. I've tried so many methods and this is the solution.

I couldn't get it to work on oos13 ...

ffejy462 said:
I couldn't get it to work on oos13 ...
Click to expand...
Click to collapse
Thank you for the info!!

Just switched to nameless from extended. No worky on nameless

bbortel93 said:
Just switched to nameless from extended. No worky on nameless
Click to expand...
Click to collapse
Try with JamesDSP, it usually has fewer compatibility issues and works just as well as V4A.

bbortel93 said:
Just switched to nameless from extended. No worky on nameless
Click to expand...
Click to collapse
Naah... I'm still on Nameless latest version and it's still working. You must be doing something wrong.
Check the repository's instructions again, although I don't think they are difficult to follow, it's just one module to flash... Also make sure you don't have any other audio mods installed. It's okay if you have the built-in Dolby Atmos.

Installation fails with the following message:
----------------------------------------------------
- Copying zip to temp directory
- Installing ViPER4AndroidFX-repackagedhoch25-1b03ff9.zip
- Current boot slot: _b
- Device is system-as-root
unzip: can't open /data/user/0/vaet.gunkqwa/cache/flash/install.zip[.zip]
! Unable to extract zip file!
! Installation failed
----------------------------------------------------
Anyone tell me what's going on?

tathagatab said:
Installation fails with the following message:
----------------------------------------------------
- Copying zip to temp directory
- Installing ViPER4AndroidFX-repackagedhoch25-1b03ff9.zip
- Current boot slot: _b
- Device is system-as-root
unzip: can't open /data/user/0/vaet.gunkqwa/cache/flash/install.zip[.zip]
! Unable to extract zip file!
! Installation failed
----------------------------------------------------
Anyone tell me what's going on?
Click to expand...
Click to collapse
Do you have SELinux enforcing?
Do you have the latest magisk installed?
Did you flash it through magisk manager?
If the answer is yes, then try again after a reboot,
Else if the error insists, then idk, try reading the repository's instructions carefully.
It also might be that your ROM or ro your Android version is incompatible.
I hope this helps!

David_#27 said:
Do you have SELinux enforcing?
Do you have the latest magisk installed?
Did you flash it through magisk manager?
If the answer is yes, then try again after a reboot,
Else if the error insists, then idk, try reading the repository's instructions carefully.
It also might be that your ROM or ro your Android version is incompatible.
I hope this helps!
Click to expand...
Click to collapse
Yes, turned out that setting selinux to 0 solved it. Thanks for the suggestion. I didn't try it before because the repo instructions said it didn't matter.
Running stock OOS 13 with Magisk 25.2. Let's see if V4A works after the reboot.
[Edit after reboot]
No go, it's the same old "Do you wish to install the driver now" loop

tathagatab said:
Yes, turned out that setting selinux to 0 solved it. Thanks for the suggestion. I didn't try it before because the repo instructions said it didn't matter.
Running stock OOS 13 with Magisk 25.2. Let's see if V4A works after the reboot.
[Edit after reboot]
No go, it's the same old "Do you wish to install the driver now" loop
Click to expand...
Click to collapse
Good to know that it works with SELinux enforcing.
As for OOS, I don't see it working as one user above said it doesn't.

David_#27 said:
Good to know that it works with SELinux enforcing.
As for OOS, I don't see it working as one user above said it doesn't.
Click to expand...
Click to collapse
As I learned, it doesn't work on OOS 13, irrespective of selinux setting. Or at least I couldn't make it work.

For me it works perfectly, using the Pixel Ex rom. Thank you very much!