Viper4Android driver installation fails everytime. - Google Pixel 2 Questions & Answers

Any GP 2 owner got error "Installation failed because of an I/O error. Try rebooting" after freshly installing (from magisk/twrp)?
Driver Version = 0.0.0.0
Enabled: No
Status: Abnormal
Audrio Format: Unsupported
Magisk Modules installed:
Busybox for Android NDK
Audio Modification librabry
universal deep_buffer removar
SeLinux mode changed to permissive.
No matter how many times I install/reboot this/phone, I always get this error.
OS = 8.1 w/ March Sec Update
Logcat
03-20 20:17:31.572 3573 3573 I ViPER4Android: System booted.
03-20 20:17:31.573 3573 3573 E ViPER4Android_Utils: [Fatal] Can't load libV4AJniUtils.so
03-20 20:17:31.573 3573 3573 I ViPER4Android: Jni library status = false
03-20 20:17:31.573 3573 3573 I ViPER4Android: Driver not configured correctly.
Click to expand...
Click to collapse

Get the one from zack it works flawlessly
Sent from my Pixel 2 using Tapatalk

I use the one from magisk actually works its the fx materialized one by ahrion and zack

Delta wolf said:
I use the one from magisk actually works its the fx materialized one by ahrion and zack
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Click to collapse
I've tried to install this several times and the driver never gets enabled. It asks to reboot in order to install the driver every time I open the app after rebooting the phone. Did you do anything special? What's the secret?

westhaking said:
I've tried to install this several times and the driver never gets enabled. It asks to reboot in order to install the driver every time I open the app after rebooting the phone. Did you do anything special? What's the secret?
Click to expand...
Click to collapse
You have to choose viper4android fx.

Thank you all for your replies. Zack helped me figure out the issue. I had installed Audio-Modification-Library module which was preventing A4A installation. Cheers!

Burninh2o said:
Thank you all for your replies. Zack helped me figure out the issue. I had installed Audio-Modification-Library module which was preventing A4A installation. Cheers!
Click to expand...
Click to collapse
Because of this post, I decided to install the Audio Modification Library module to see what it does. Oddly enough, for me, V4A actually started working after enabling this additional module and setting my kernel to permissive. Weird. Glad it's working now though!

westhaking said:
Because of this post, I decided to install the Audio Modification Library module to see what it does. Oddly enough, for me, V4A actually started working after enabling this additional module and setting my kernel to permissive. Weird. Glad it's working now though!
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lol... nice!

I just had the same issue as a result of upgrading stock MIUI Android 7.1 ROMS on a Xiaomi Mi Max 2.
I solved it by:
1. In Magisk, disabled both Audio Mod Library and Viper4Android --> REBOOTed.
2. In Magisk, ENABLED both Audio Mod Library and Viper4Android. --> REBOOTed.
No driver errors and it works in Speaker and Headphone.
But I'm not getting any Viper Notification in the Shade or the Status.

Burninh2o said:
Thank you all for your replies. Zack helped me figure out the issue. I had installed Audio-Modification-Library module which was preventing A4A installation. Cheers!
Click to expand...
Click to collapse
This fix works flawlessly on the H918 running the Alpha 3.0 rom

Catalyst2012 said:
I just had the same issue as a result of upgrading stock MIUI Android 7.1 ROMS on a Xiaomi Mi Max 2.
I solved it by:
1. In Magisk, disabled both Audio Mod Library and Viper4Android --> REBOOTed.
2. In Magisk, ENABLED both Audio Mod Library and Viper4Android. --> REBOOTed.
No driver errors and it works in Speaker and Headphone.
But I'm not getting any Viper Notification in the Shade or the Status.
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Click to collapse
Stock Kernel too? I cannot get it to install drivers to save my life

MikeyLee said:
Stock Kernel too? I cannot get it to install drivers to save my life
Click to expand...
Click to collapse
Did you try Disabling/Enabling the modules in Magisk? I had to do this a few times before it worked. Viper status will report 'Processing: No' until you start playing a music file, then it should change to 'Processing:Yes'.
I was able to get the notification to show up by selecting the first option in Settings>Show Notification.

I've tried just about everything I can think of.

Here's what I don't get. I have 3 devices currently. All running Oreo. Huawei Mate SE, Xiaomi Redmi Note 3 and Ulefone T1. The Redmi Note 3 and Ulefone T1 both have V4A working fine and both kernels are Enforcing. The Huawei no matter how it's set refuses to work.

Related

AdAway and V4A

I know root is brand spanking new to our lovely phone, but I was wondering if anyone has tried AdAway or V4A?
AkFatherof4nCounting said:
I know root is brand spanking new to our lovely phone, but I was wondering if anyone has tried AdAway or V4A?
Click to expand...
Click to collapse
I rooted using the method in the Snoke Kernel thread. Then I installed AdAway and the ViPER4Android Magisk module. Both are working flawlessly for me.
smith8ca said:
I rooted using the method in the Snoke Kernel thread. Then I installed AdAway and the ViPER4Android Magisk module. Both are working flawlessly for me.
Click to expand...
Click to collapse
Thank you, now I'm even more excited to get off work.
Oh yes. Installed V4A yesterday and tuned sound for my preferences. Boy it comes close to the HTC One M8 in terms of loudness and clarity.
Sendt fra min Pixel 2 med Tapatalk
duckstardeluxe said:
Oh yes. Installed V4A yesterday and tuned sound for my preferences. Boy it comes close to the HTC One M8 in terms of loudness and clarity.
Sendt fra min Pixel 2 med Tapatalk
Click to expand...
Click to collapse
Did you install V4A via Magisk, or an actual zip? I installed via Magisk and it doesn't sound different.
Magisk. You should reboot after first start of the app. Two times in total after enabling the zip in magisk
Sendt fra min Pixel 2 med Tapatalk
duckstardeluxe said:
Magisk. You should reboot after first start of the app. Two times in total after enabling the zip in magisk
Sendt fra min Pixel 2 med Tapatalk
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Which of the 3 are you using, maybe I just didn't install the correct one.
AkFatherof4nCounting said:
Which of the 3 are you using, maybe I just didn't install the correct one.
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Click to collapse
FX for Magisk 14+
Sendt fra min Pixel 2 med Tapatalk
Hey guys. Sorry for asking for help. I read up on Magisk and V4a (haven't used v4a in years), didn't use on my OG Pixel. On my Pixel 2, I have magisk installed correctly. I tried to install the Magisk 14+ but getting the driver i/o error. I installed the SE Linux permissive script in Magisk but it didn't do anything.
Am I missing something simple or something more complicated? If you can direct me if it's easier, I can read up on it.
Thanks!
sweteg said:
Hey guys. Sorry for asking for help. I read up on Magisk and V4a (haven't used v4a in years), didn't use on my OG Pixel. On my Pixel 2, I have magisk installed correctly. I tried to install the Magisk 14+ but getting the driver i/o error. I installed the SE Linux permissive script in Magisk but it didn't do anything.
Am I missing something simple or something more complicated? If you can direct me if it's easier, I can read up on it.
Thanks!
Click to expand...
Click to collapse
Did you use the Viper4Android FX for Magisk 14+ module?
---------- Post added at 05:05 PM ---------- Previous post was at 05:04 PM ----------
Viper4Android seems to work fine for the phone speakers. But with bluetooth mine doesn't process whatever I play/stream.
Could you guys test if I'm the only one that have this issue?
Hey yeah I did. I'm on 8.1 preview if that matters.
sweteg said:
Hey yeah I did. I'm on 8.1 preview if that matters.
Click to expand...
Click to collapse
It does. In the kernel/root thread it is stated, that the guide is only for 8.0. I had to flash 8.0 again to revert and enable root, Magisk and V4A
Tried to test it out since 8.1 with magisk root worked hah. Wanted to experiment with magisk some more. Thanks again for your help!
Installed this on my pixel 2 and I'm getting driver status abnormal along with not processing. I have not tried it over bt yet though.
---------- Post added at 01:29 AM ---------- Previous post was at 12:38 AM ----------
Got it working for the phone speakers with the SELinux switcher. Has to be in Permissive. I'll check bt in a bit.
So far BT is not working.
sweteg said:
Hey guys. Sorry for asking for help. I read up on Magisk and V4a (haven't used v4a in years), didn't use on my OG Pixel. On my Pixel 2, I have magisk installed correctly. I tried to install the Magisk 14+ but getting the driver i/o error. I installed the SE Linux permissive script in Magisk but it didn't do anything.
Am I missing something simple or something more complicated? If you can direct me if it's easier, I can read up on it.
Thanks!
Click to expand...
Click to collapse
Im getting same error was thinking it might need permissive kernel
Ok Guys need some help. . .Installed Snoke.R9se and magisk v14.4. Loaded Viper4Android Magisk 14+ and enable. Driver status says enabled but not processing when music is playing with Poweramp, Neutron, and also Google Play Music. Direct volume control is NOT enabled in Poweramp. However, I have sound set for touches and Viper is processing those. ot sure why its processing system sounds and not music. Oreo 8.0.0 Pixel 2. SElinux mode is set to permissive and verified permissive with SELinuxModeChanger. Any ideas would be appreciated.
iluvamk said:
Ok Guys need some help. . .Installed Snoke.R9se and magisk v14.4. Loaded Viper4Android Magisk 14+ and enable. Driver status says enabled but not processing when music is playing with Poweramp, Neutron, and also Google Play Music. Direct volume control is NOT enabled in Poweramp. However, I have sound set for touches and Viper is processing those. ot sure why its processing system sounds and not music. Oreo 8.0.0 Pixel 2. SElinux mode is set to permissive and verified permissive with SELinuxModeChanger. Any ideas would be appreciated.
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Click to collapse
I was afraid I was the only one having a problem. Driver status is good for me as well, but it's not processing via Bluetooth or phone speaker.
iluvamk said:
Ok Guys need some help. . .Installed Snoke.R9se and magisk v14.4. Loaded Viper4Android Magisk 14+ and enable. Driver status says enabled but not processing when music is playing with Poweramp, Neutron, and also Google Play Music. Direct volume control is NOT enabled in Poweramp. However, I have sound set for touches and Viper is processing those. ot sure why its processing system sounds and not music. Oreo 8.0.0 Pixel 2. SElinux mode is set to permissive and verified permissive with SELinuxModeChanger. Any ideas would be appreciated.
Click to expand...
Click to collapse
So I flashed the November update, installed Snoke.R11.zip, magisk. Did the phone setup, then installed BusyBox and V4A via magisk. Drivers are enabled and it's processing on Pandora, and Pi music player.
AkFatherof4nCounting said:
So I flashed the November update, installed Snoke.R11.zip, magisk. Did the phone setup, then installed BusyBox and V4A via magisk. Drivers are enabled and it's processing on Pandora, and Pi music player.
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Through the speakers and earphones?
penciluser said:
Through the speakers and earphones?
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Click to collapse
I got too excited. It works with the phone speakers, but I don't have my adapter for my headphones here ATM, and Bluetooth is not working.

Cant get Viper to work properly

Hey guys,
since i got my Oneplus 6, i couldnt get viper to work quite right. Most of the time its just shows "Processing: No" till i restart it and after like a hour or device switch it turns off.
I tried:
Copying the Audioeffects.conf from system/etc to vendor/etc
Using Magisk Audio Compability Module
Using Alternate Magisk V4A Module
Using a Magisk Rom with Build-In V4a (currently xXx 2.8)
Disabling Dirac and Services
but nothing worked
thanks for your help
i had the same but then i tried to use the other viper release from magisk and it worked. there is this one called hifi and fx
Try exiting the viper app with the 3 dots top right hand corner. That is what worked for me
dgunn said:
Try exiting the viper app with the 3 dots top right hand corner. That is what worked for me
Click to expand...
Click to collapse
that works for like 10 mins and then it gets killed
byReqz said:
that works for like 10 mins and then it gets killed
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Click to collapse
Sounds to me like you need to disable the battery optimizations for Viper. It's almost as if your phone is detecting High battery drain and shuts down the app
dgunn said:
Sounds to me like you need to disable the battery optimizations for Viper. It's almost as if your phone is detecting High battery drain and shuts down the app
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Click to collapse
yeah thats what i thought too, i zried whitelisting it and installing it as system app (+ magisk module) but it didnt seem to work.
I removed the one from my rom and tried the magisk repo version again and somehow its working till now
byReqz said:
yeah thats what i thought too, i zried whitelisting it and installing it as system app (+ magisk module) but it didnt seem to work.
I removed the one from my rom and tried the magisk repo version again and somehow its working till now
Click to expand...
Click to collapse
I was unaware that you were using the magisk module. I could not get that one to work either
dgunn said:
I was unaware that you were using the magisk module. I could not get that one to work either
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Click to collapse
the normal one doesnt work with viper doewsnt it?
Try just exiting the viper app then reopening it. I had this problem before and it just randomly went away.
TheNetwork said:
Try just exiting the viper app then reopening it. I had this problem before and it just randomly went away.
Click to expand...
Click to collapse
it only works for a few mins that way
I'm using the Android p beta and i don't have the problems with viper as i did with oxygen os 5. it's always processing for my headphones, either plugged in or Bluetooth. the only exception is sometimes after receiving a call while listening to music, after the call is over and my music resumes, viper is no longer processing. not every time though. i used the latest magisk and the viper module in the screenshot.
i also didn't make any changes to conf files, just installed through magisk download. rebooted, opened viper fx, gave it storage permissions and turned it on.
Had the same problem, but was able to resolve it by choosing the legacy (non-material) interface when installing the Magisk module. I still flashed the full module and selected the latest version, just not the material interface. It may have been something else, but I've updated my ROM (HavocOS) several times and even done a couple full fastboot stock resets and the issue is yet to resurface.
TuxRuffian said:
Had the same problem, but was able to resolve it by choosing the legacy (non-material) interface when installing the Magisk module. I still flashed the full module and selected the latest version, just not the material interface. It may have been something else, but I've updated my ROM (HavocOS) several times and even done a couple full fastboot stock resets and the issue is yet to resurface.
Click to expand...
Click to collapse
as i said, idk why but its working now.and im on material now
byReqz said:
Hey guys,
since i got my Oneplus 6, i couldnt get viper to work quite right. Most of the time its just shows "Processing: No" till i restart it and after like a hour or device switch it turns off.
I tried:
Copying the Audioeffects.conf from system/etc to vendor/etc
Using Magisk Audio Compability Module
Using Alternate Magisk V4A Module
Using a Magisk Rom with Build-In V4a (currently xXx 2.8)
Disabling Dirac and Services
but nothing worked
thanks for your help
Click to expand...
Click to collapse
I've had this problem on an Samsung S7 Edge, S8 Plus, and now, a Oneplus 6.
Everything appears to look good on Driver Status, except "Processing:No" and it's audibly not on.
What's worked for me in this specific situation is replacing the configuration file "audio_effects.conf" in /system/vendor/etc with another configuration file that I found in another XDA thread. So here's the concrete steps:
1. Install the viper4android FX module from Magisk manager that has four devs (v1.7 as i write this) and reboot. I don't know if this method will work with other v4a modules. Note that Processing will work temporarily, but likely won't survive a reboot.
2. Download this file (files_for_v4a.zip) from here:
https://forum.xda-developers.com/ga...laxy-s8-s8-t3596933/post72049061#post72049061
3. Unzip files_for_v4a.zip and make note where it extracted. (You'll need one of its contents, audio_effects.conf, later)
4. Using a file explorer with root capability, go to the following directory:
/system/vendor/etc
5. Copy the existing "audio_effects.conf" to another directory, for example /download, to use as a backup in case this goes badly
6. Copy the file "audio_effects.conf" that you unzipped earlier to /system/vendor/etc, overwriting the existing file.
7. Reboot and test v4a.
Good luck!
Note: The Pulse feature of a custom NavBar in custom ROMS based on LOS 15.1 will not work if you do the above.
Although I'm just a hack, I modded an "audio_effects.conf" file using commits from the above to work with Pulse. I've tested it on my device (despite my lack of know-how, it seems to work for me and others!), so be aware of this if you download the following file and use it (by renaming it audio_effects.conf and placing it in /system/vendor/etc):
reaper000 said:
I've had this problem on an Samsung S7 Edge, S8 Plus, and now, a Oneplus 6.
Everything appears to look good on Driver Status, except "Processing:No" and it's audibly not on.
What's worked for me in this specific situation is replacing the configuration file "audio_effects.conf" in /system/vendor/etc with another configuration file that I found in another XDA thread. So here's the concrete steps:
1. Install the viper4android FX module from Magisk manager that has four devs (v1.7 as i write this) and reboot. I don't know if this method will work with other v4a modules. Note that Processing will work temporarily, but likely won't survive a reboot.
2. Download this file (files_for_v4a.zip) from here:
https://forum.xda-developers.com/ga...laxy-s8-s8-t3596933/post72049061#post72049061
3. Unzip files_for_v4a.zip and make note where it extracted. (You'll need one of its contents, audio_effects.conf, later)
4. Using a file explorer with root capability, go to the following directory:
/system/vendor/etc
5. Copy the existing "audio_effects.conf" to another directory, for example /download, to use as a backup in case this goes badly
6. Copy the file "audio_effects.conf" that you unzipped earlier to /system/vendor/etc, overwriting the existing file.
7. Reboot and test v4a.
Good luck!
Note: The Pulse feature of a custom NavBar in custom ROMS based on LOS 15.1 will not work if you do the above.
Although I'm just a hack, I modded an "audio_effects.conf" file using commits from the above to work with Pulse. I've tested it on my device (despite my lack of know-how, it seems to work for me and others!), so be aware of this if you download the following file and use it (by renaming it audio_effects.conf and placing it in /system/vendor/etc):
Click to expand...
Click to collapse
Thanks for your long answer, will be trying the files if this module fails again.
Also im not on a LOS Based Rom, im on OOS and GravityBox
byReqz said:
Thanks for your long answer, will be trying the files if this module fails again.
Also im not on a LOS Based Rom, im on OOS and GravityBox
Click to expand...
Click to collapse
Just seeing if I can help! And I did the same sequence of steps on OOS as well ... But I haven't run gravity box in awhile. Hope it works out for you.
reaper000 said:
Just seeing if I can help! And I did the same sequence of steps on OOS as well ... But I haven't run gravity box in awhile. Hope it works out for you.
Click to expand...
Click to collapse
I tried everything but it still needs a restart to be working sometimes, do you know if i have to disable dirac or something?
byReqz said:
I tried everything but it still needs a restart to be working sometimes, do you know if i have to disable dirac or something?
Click to expand...
Click to collapse
I haven't messed with dirac at all, and v4a still works for me.
Some clarification, please:
Did you uninstall the v4a magisk module that came with xXx and reboot?
Then go to magisk manager and install v4a fx materialized1.7 and follow the rest of the steps outlined in my post?
reaper000 said:
I haven't messed with dirac at all, and v4a still works for me.
Some clarification, please:
Did you uninstall the v4a magisk module that came with xXx and reboot?
Then go to magisk manager and install v4a fx materialized1.7 and follow the rest of the steps outlined in my post?
Click to expand...
Click to collapse
yeah, its 1.7 from magisk repo, disabling dirac seems to help a bit but not everytime
byReqz said:
yeah, its 1.7 from magisk repo, disabling dirac seems to help a bit but not everytime
Click to expand...
Click to collapse
And you replaced the audio_effects.conf file in /system/vendor/etc with the one from the downloaded zip?
(Sorry to belabor the point, but it's not clear to me you tried all that)

Viper4androi in oxygenos 10?

Dies anyone had sucess installing viper4android in the new oxygenos?
TheDarkMadness said:
Dies anyone had sucess installing viper4android in the new oxygenos?
Click to expand...
Click to collapse
Yes, V4A works on OOS10
Sai_Praneeth said:
Yes, V4A works on OOS10
Click to expand...
Click to collapse
how did you Install IT, Therme are so many ways...
TheDarkMadness said:
how did you Install IT, Therme are so many ways...
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Click to collapse
I managed to install viper on op7 OOS10.0.1 with bluspark kernel with the following method:
1) uninstall every AML and ACP and viper stuff and reboot.
2) install ViPER4ANDROID 2.7.1.0 apk from xda labs and open the app but dont install driver. put the app in background
3) go to magisk>downloads and install AML module. it will ask to reboot. dont do it.
4) go back to viper and install driver. it will automatically reboot.
5) after reboot go to magisk manager and UNCHECK (NOT DELETE) AML and open viper and install driver again.
6) now your phone will boot with viper installed
Note: (if viper driver is installed but has no effect then go to viper and click on 3 dot menu then click on 'attach audio effects' once viper start working you can detach it). you can use App Systemizer on magisk repo to systemize viper app to priv-system app so that it doesnt get killed in background. you can also hide its always on notification. viper will always run in background. but i saw no battery drain difference. Enjoy
Worked for me in Stock Rom oos 10.0.1?
Or you can easily flash in magisk repo
Good alternative module repo magisk James DSP (DCC and irs files supported)
How are you guys rooted on oos 10?
I lost root when I updated and when I went to redo it I found that the process changed for Android 10.
What is you parameters on Viper ? For Compare.
Thanks
matdu57 said:
What is you parameters on Viper ? For Compare.
Thanks
Click to expand...
Click to collapse
I installed it the complicated way, thats written up there and it worked fine. I had to wait because i lost root in the oos 10 update, because i flashed magisk in the wrong way. And there was no twrp that worked for me, fastboot boot didnt worked at all, so i flashed magisk to the boot image and i got root again with viper4android and everything works fine.
'Version 2.5.0.4
NEON yes
activated No
Status normal
Audio format supported
verarbeitung (its german, idk whats taht in englisch sry) no
48000
No sorry i talking about setting for the sound.
Sorry for my bad english.
Viper is working on OOS 10
matdu57 said:
No sorry i talking about setting for the sound.
Sorry for my bad english.
Viper is working on OOS 10
Click to expand...
Click to collapse
Oh ok, so here are my settings:
i enabled compressor on default settings
i got equalizzer on the last setting, so i can hear the voices better
and of course the optimization
for my holyhigh in ears and my xiaomi airdots i use:
spectrum extender on full settings
equalizer on the same setting
surround sound on lvl 1
dynamic system
viper bass on 43 hz and 15
and the second last setting on 3
whats your settings?
For the speaker i have the same but without compressor.
On ma headphone (Marshall) USB with DAC 3.5mm :
Playback gain : strong 2 et default setting for the other
Spetrum extender full
Equalizer on the same
Surround + Level 3
Viper bass 70hz on normal bass
Viper clarity Xhifi 3.5 dB
AnalogX level 2
For the bluetooth i don't have setting for my car and bluetooth bose soundlink. I'll share with you my setting on the next week

Question Anyone get ViperFX functional on their OP9?

received Buds Z for my OP9 purchase and have very slowly converting to the new phone (rooting, stability and assure privacy issues were addressed) and was very happy with their performance with my rooted OP6 on A11-Pixen OS with ViperFX. Without VIper, the sound is lackluster. even a downloadable EQ makes minimal difference.
Attempting to convert fully to OP9 today and installed viperFX mod form magisk but when I attempt to perform the initial launch to download and install the driver, the phone just reboots without actually getting the driver installed. Im not sure if its a hardware compatibility issue or the fact the OP9 root isnt as full and fleshed out like the one on my OP6. (something about DM verify and/or selinux enforcement? idk, I am pretty lame at the deep understanding of android 11s workings)
I know there are a few other magisk mod for audio listed and more that i could possibly find that arent and add myself via zip installation but even if one ends up working, I will still be aiming for VIperFX as my preferred solution.
If anyone has a solution, plz reply (or whatever possible replacement you've chosen)
PS. I swore the buds z touch controls were suppose to be customizable. anyone else unable to set custom controls for them?
In magisk, install "audio modification library". That should fix the driver issue.
To customize the touch controls, go in Settings, bluetooth and device connections, bluetooth, settings cog next to the buds, headphones. Now you can customize them. Not a lot of options though.
You might need to install the oneplus buds app first.
NotTheGiant said:
In magisk, install "audio modification library". That should fix the driver issue.
To customize the touch controls, go in Settings, bluetooth and device connections, bluetooth, settings cog next to the buds, headphones. Now you can customize them. Not a lot of options though.
You might need to install the oneplus buds app first.
Click to expand...
Click to collapse
i tried that and its the same results. No driver found, it installs, force reboots and loops from there. thank you though.
applyscience said:
i tried that and its the same results. No driver found, it installs, force reboots and loops from there. thank you though.
Click to expand...
Click to collapse
Same issue. Tried ACP as well, just gave up on it and using the inferior built-in Atmos
No, but I did install James DSP and it's working just fine.
@applyscience
After alot of trail and error I finally got ViperFX working on my OP9 !
You must install magisk-permissive-script_v1.2 and audio modification library modules in Magisk and of course the ViperFX
Glad you got it working! I wonder why I didn't need to do that
Hopefully it works for everyone else.
Just use JamesDSP. Same functionality as Viper, and works 100% of the time.
Jg1234 said:
@applyscience
After alot of trail and error I finally got ViperFX working on my OP9 !
You must install magisk-permissive-script_v1.2 and audio modification library modules in Magisk and of course the ViperFX
Click to expand...
Click to collapse
Can you tell me how you got it working in more detail? Because this isn't working for me
Okay it randomly worked for me after installing the BusyBox magisk module, then the Audio compatibility module, then the Audio modification module and then viper. After that the driver installed but did not work. After setting the selinux mode to permissive and switching to legacy mode in viper it worked flawlessly.
Im trying for several hours now, i have tried everthing i found including this Thread
(https://forum.xda-developers.com/t/app-fix-100-working-viper4android-for-android-11-devices.4213647/)
Nothing worked for me anyone any idea, i have allready updatet to the latest OxygenOs (11.2.4.4.LE25BA) Maybe thats why it doesnt work?
Domi04151309 said:
Okay it randomly worked for me after installing the BusyBox magisk module, then the Audio compatibility module, then the Audio modification module and then viper. After that the driver installed but did not work. After setting the selinux mode to permissive and switching to legacy mode in viper it worked flawlessly.
Click to expand...
Click to collapse
Did you reboot between the steps? have you installed any audio changing application before?
I'm using james dsp. It does the same and works without problems
noname122414 said:
I'm using james dsp. It does the same and works without problems
Click to expand...
Click to collapse
Can you link to said James dsp? Now I'm curious as to what this is. And if it works as well
Just search inside of magisk it's a standard module and works flawlessly for op9
noname122414 said:
Just search inside of magisk it's a standard module and works flawlessly for op9
Click to expand...
Click to collapse
Does it not need root rights.?But I'm using through by streaming now on way home from work. Very nice
Of course it needs root, magisk without root is kind of pointless.
noname122414 said:
Of course it needs root, magisk without root is kind of pointless.
Click to expand...
Click to collapse
But mine isn't asking for root rights is what I'm saying.
It is a module. Module always have root when it's functional then everything is alright
noname122414 said:
I'm using james dsp. It does the same and works without problems
Click to expand...
Click to collapse
Do you use any presets? If not, are you able to use those?

🆘Viper 4 android error: No such file or directory When installing the driver

Hello everyone, I just installed another rom for my redmi note 11 which is Project Elixir.
I have successfully installed magisk module viper4android .
BUT when it comes to driver installation it shows error "Error: No such file or directory" and the installation is stuck at 11%.
I have tried many ways like reinstalling but it still doesn't work.
Does anyone know how to fix this error. Help me! I love listening to music so I really need this
What is Magisk V4A module version?
10.16.2020 ?​
jwoegerbauer said:
What is Magisk V4A module version?
10.16.2020 ?​
Click to expand...
Click to collapse
V2.7.2.1 . And magisk just released a new update which is 26.1 so i updated it
The module is heavily outdated: look here
GitHub - Magisk-Modules-Repo/ViPER4Android-FX
Contribute to Magisk-Modules-Repo/ViPER4Android-FX development by creating an account on GitHub.
github.com
It's because of the Magisk version, it also happened to me but I fixed it.
You must uninstall Magisk 26, if you don't know how, just rename "Uninstall.zip" the magisk that you flashed in your recovery, just after a previous version of Magisk is uninstalled, in my case I had Magisk 25 on my SD, with this you will not lose the modules that you had previously installed and you will be able to install Viper without problems.
This worked for me.
hgrocket said:
It's because of the Magisk version, it also happened to me but I fixed it.
You must uninstall Magisk 26, if you don't know how, just rename "Uninstall.zip" the magisk that you flashed in your recovery, just after a previous version of Magisk is uninstalled, in my case I had Magisk 25 on my SD, with this you will not lose the modules that you had previously installed and you will be able to install Viper without problems.
This worked for me.
Click to expand...
Click to collapse
Has been successful. Thank you very much
Ihave same problem, ater i installee magisk to 26 how to fix
fivux69 said:
Ihave same problem, ater i installee magisk to 26 how to fix
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Click to collapse
Looks like my answer above has worked, check it out.
fivux69 said:
Ihave same problem, ater i installee magisk to 26 how to fix
Click to expand...
Click to collapse
I'm too still having this issue despite downgrading to magisk 26
Mr.Blaze said:
Tôi vẫn gặp sự cố này mặc dù đã hạ cấp xuống magisk 26
Click to expand...
Click to collapse
try install magisk version 25.2
I had the same problem. I was able to solve with https://github.com/programminghoch10/ViPER4AndroidRepackaged under crdroid.
RichieXX said:
I had the same problem. I was able to solve with https://github.com/programminghoch10/ViPER4AndroidRepackaged under crdroid.
Click to expand...
Click to collapse
I already tried it + many different versions, but unfortunatelly no matter what version I use, i still didn't get it to work
I have a solution.
Install this magisk module
GitHub - programminghoch10/ViPER4AndroidRepackaged: A refined ViPER4Android installer.
A refined ViPER4Android installer. Contribute to programminghoch10/ViPER4AndroidRepackaged development by creating an account on GitHub.
github.com
And then open the app and turn off legacy and compatibility mode (if turned on)
Now still the app somehow doesn't work. To fix this, go to play store, install an app called wavelet. Now open it and set it to legacy mode. Tun it on and turn on some option in it which makes no impact to the sound output.
Now when you go to viper4 Android, it will show processing as yes and it will work.
****Make sure that Master Limiter is turned on
NikhilYT said:
I have a solution.
Install this magisk module
GitHub - programminghoch10/ViPER4AndroidRepackaged: A refined ViPER4Android installer.
A refined ViPER4Android installer. Contribute to programminghoch10/ViPER4AndroidRepackaged development by creating an account on GitHub.
github.com
And then open the app and turn off legacy and compatibility mode (if turned on)
Now still the app somehow doesn't work. To fix this, go to play store, install an app called wavelet. Now open it and set it to legacy mode. Tun it on and turn on some option in it which makes no impact to the sound output.
Now when you go to viper4 Android, it will show processing as yes and it will work.
****Make sure that Master Limiter is turned on
Click to expand...
Click to collapse
I tried your steps, but it doesn't work (version 69 from repo).
The problem is with the installation, not the sound processing.
So we can't do the step "And then open the app and turn off legacy and compatibility mode (if turned on)", because once we open the Viper4android app it tries to install the magisk module, and then it gets stuck.
phmha said:
try install magisk version 25.2
Click to expand...
Click to collapse
This seems to solve the stuck installation issue.
But now after every reboot it tries to install the driver again for me.
I tried different things to fix this (audio modification library, this: https://forum.xda-developers.com/t/...ndroid-10-11-12-devices.4213647/post-86907017 and this: https://forum.xda-developers.com/t/...ndroid-10-11-12-devices.4213647/post-86870983 and this:
https://www.reddit.com/r/Magisk/comments/x1f14z/_/imhmm1c
) but still no luck. Also different versions of viper don't solve this issue.
phmha said:
try install magisk version 25.2
Click to expand...
Click to collapse
This seems to solve the stuck installation issue.
But now after every reboot it tries to install the driver again for me.
I tried different things to fix this (audio modification library, this: https://forum.xda-developers.com/t/...ndroid-10-11-12-devices.4213647/post-86907017 and this: https://forum.xda-developers.com/t/...ndroid-10-11-12-devices.4213647/post-86870983 and this:
https://www.reddit.com/r/Magisk/comments/x1f14z/_/imhmm1c
) but still no luck. Also different versions of viper don't solve this issue.
Edit: This V4A works for me partially (some options are greyed out) with magisk 25.2 (didn't test newer) and legacy mode enabled:
viper4android 0.3.0 - Google Search
RichieXX said:
I had the same problem. I was able to solve with https://github.com/programminghoch10/ViPER4AndroidRepackaged under crdroid.
Click to expand...
Click to collapse
Works perfectly dude, thank you so much
Tested on Android 13, Xiaomi Mi 9T Pro, bootleggers v7.1
Mr.Blaze said:
This seems to solve the stuck installation issue.
But now after every reboot it tries to install the driver again for me.
I tried different things to fix this (audio modification library, this: https://forum.xda-developers.com/t/...ndroid-10-11-12-devices.4213647/post-86907017 and this: https://forum.xda-developers.com/t/...ndroid-10-11-12-devices.4213647/post-86870983 and this:
https://www.reddit.com/r/Magisk/comments/x1f14z/_/imhmm1c
) but still no luck. Also different versions of viper don't solve this issue.
Edit: This V4A works for me partially (some options are greyed out) with magisk 25.2 (didn't test newer) and legacy mode enabled:
viper4android 0.3.0 - Google Search
Click to expand...
Click to collapse
So the issue was Magisk 26?
NikhilYT said:
I have a solution.
Install this magisk module
GitHub - programminghoch10/ViPER4AndroidRepackaged: A refined ViPER4Android installer.
A refined ViPER4Android installer. Contribute to programminghoch10/ViPER4AndroidRepackaged development by creating an account on GitHub.
github.com
And then open the app and turn off legacy and compatibility mode (if turned on)
Now still the app somehow doesn't work. To fix this, go to play store, install an app called wavelet. Now open it and set it to legacy mode. Tun it on and turn on some option in it which makes no impact to the sound output.
Now when you go to viper4 Android, it will show processing as yes and it will work.
****Make sure that Master Limiter is turned on
Click to expand...
Click to collapse
I did it and it works. thank you!
FJiron75 said:
I did it and it works. thank you!
Click to expand...
Click to collapse
Your welcome!

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