Viper4Android Not Running on Umidigi F1 (SOLVED) - Android Q&A, Help & Troubleshooting

Does anyone have Viper4Android successfully running on their F1? I just can't get it to work, I've tried everything from installing through Magisk to flashing the zip with TWRP, even tried different options during installation.
Driver Status is as follows:
Driver Version: 2.5.0.4
NEON Enabled: No
Enabled: No
Status: Abnormal
Audio Format: Unsupported
Processing: No
Sampling: 0
Running Stock Pie, no other Audio processing app installed.
BTW I've tried a search on Google but all solutions are mostly specific to previous Android versions or device/brand specific.
Thanks for any help
David C.

mantarkus said:
Does anyone have Viper4Android successfully running on their F1? I just can't get it to work, I've tried everything from installing through Magisk to flashing the zip with TWRP, even tried different options during installation.
Driver Status is as follows:
Driver Version: 2.5.0.4
NEON Enabled: No
Enabled: No
Status: Abnormal
Audio Format: Unsupported
Processing: No
Sampling: 0
Running Stock Pie, no other Audio processing app installed.
BTW I've tried a search on Google but all solutions are mostly specific to previous Android versions or device/brand specific.
Thanks for any help
David C.
Click to expand...
Click to collapse
UPDATE: Turn out this version of Viper4Android needs SELinux Disabled, I noticed this going through Viper4Android's settings where in Developer Mode there is an option to disable SELinux momentarily, doing this brought full processing to V4A.
I installed SELinx Switch to set as Permissive on reboot.
App works great now although I remember on my previous devices you didn't need SELinux control when installing V4A from Magisk.
If anyone has a better information and advice let me know but so far this worked great.
David C.

I always had better luck with the twrp aroma flashable zips. The ones that install from withing twrp or now you can install inside of Magisk though I don't know if we have Magisk for F1/F1P yet

Related

Viper4android

Has anybody been successful in installing viper4android in op3t with android 7.1.1?
I tried installing the latest version of the app by trying almost all the methods in threads(using flashfire, link2sd, Lucky patcher etc)..but the driver does not get installed..each time I take the app it shows the driver is not installed and asks for a reboot..
Any solutions..?
Better to move your question to
https://forum.xda-developers.com/oneplus-3t/help
However are you rooted?
If yes which root method you are using?
I installed trwp and I have superSU installed..
tvakshaykumar said:
I installed trwp and I have superSU installed..
Click to expand...
Click to collapse
Since I'm using Magisk, I had installed ViPER4Android FX Module, it's much easier and it work immediately
or else check the below link, it might help you
http://www.droidorigin.com/install-viper4android-on-nougat/
Running Beta 8 with Magisk V12, I'm using Viper4Android + Dolby Atmos from this Thread :
https://forum.xda-developers.com/oneplus-3t/themes/magisk-magisk-modules-oneplus-3t-t3548446/page1
Easy to install and works instantly!
The Sound is awesome
I tried magisk and it worked..
Bt after turning on the master control, in the driver status it still shows processing: no ..I tried using Google music and power amp by disabling the inbuilt equiliser mode..and in the power amp I turned off direct volume controls and turned on music fx..but still shows processing :no..
I'm using power amp btw..
SELinux
Make sure that your SELinux is set to Permissive in order to use Viper
Or just flash A.R.I.S.E. Magnum Opus. Works fine with Magisk and SELinux set to enforcing.
bluestudy said:
Or just flash A.R.I.S.E. Magnum Opus. Works fine with Magisk and SELinux set to enforcing.
Click to expand...
Click to collapse
That didnt work for me, SELinux was still on enforcing and only worked for me when I flashed a module that sets SELinux to Permissive on boot
I'm on PA ROM btw
R3dRacer said:
That didnt work for me, SELinux was still on enforcing and only worked for me when I flashed a module that sets SELinux to Permissive on boot
I'm on PA ROM btw
Click to expand...
Click to collapse
Hmm. That's odd. Was it the most current zip? I could have sworn that I'd read the latest versions were compatible with SELinux enforcing. Haven't tried it on PA yet though.
bluestudy said:
Hmm. That's odd. Was it the most current zip? I could have sworn that I'd read the latest versions were compatible with SELinux enforcing. Haven't tried it on PA yet though.
Click to expand...
Click to collapse
No magnus opus isn't working with enforcing!
Try installing this Module in Magisk, worked for me in Oxygen and AOSPA (Paranoid Android)
https://forum.xda-developers.com/apps/magisk/module-magisk-selinux-permissive-script-t3577549

[DEV] [Magisk] Official Pixel (XL) Support is Here!

Greetings!
The latest beta (v14.1) of Magisk just dropped (Magisk Beta Thread), which is the first release to officially support Pixel (XL).
Before I spend more time investigating TWRP and Magisk combination, please refrain from flashing Magisk through TWRP installed in your boot image (because Magisk cannot get a 100% stock boot backup)
The recommended way to install Magisk on Pixel (XL) are
Fastboot boot this TWRP Image, and flash the Magisk zip
Get a stock boot image (download the full factory image here), and patch via Magisk Manager, then flash the patched boot by fastboot
Once you got over the ""initial pain" and get Magisk installed with proper stock boot image backup, it is very easy to migrate Magisk across OTA updates on Pixel devices.
This thread is not a support thread, all bug reports should be in the Magisk Beta Thread, discussions should be in Magisk General Discussions
------------------------------------------------------------------------------------------------
The followings are for Pixel (XL) developers:
I've written some descriptions on how Magisk works on Pixel devices in my Release Notes for v14.1.
You can directly check MagiskInit's code here. The code is fairly simple so you should get the idea.
However, I'm still fairly new to Pixel development, and I'm not sure how current custom roms and custom kernels workaround the skip_initramfs thing. Instead of trying all custom roms and custom kernels out, I think it would be easier for me to just open a thread and ask
I would like to have some insight from developers whether my Magisk solution can work well with current Pixel development projects. Since all my work is open source, if you have some suggestions to improve my work, please tell me and I'll be really grateful.
I've been waiting for this for a long time.Thank you.
Yaaay! Thank you! I've been waiting for official
Keep up the good work, and congrats!
Works fine here " Android 8.0 "
ElementalX + Magisk 14.1 + Twrp 3.1.1-0 ( Twrp Sticks ) Root also works.
Thanks OP!!!!
WOOOOT WOOOOT
Tylog said:
Works fine here " Android 8.0 "
ElementalX + Magisk 14.1 + Twrp 3.1.1-0 ( Twrp Sticks ) Root also works.
Click to expand...
Click to collapse
How did you flashed them what is your Order ?
I literally booted into recovery (via fastboot) nandroid backed up my boot partition and then flashed magisk so if anything goes wonky I have a backup
tessut said:
How did you flashed them what is your Order ?
Click to expand...
Click to collapse
Stock Boot img , TWRP , MagisK , reboot .
Back to recovery
ElementalX , TWRP , MagisK , reboot.
Done.
Hello
I am currently on stock , so for me the steps will be :
Fastboot TWRP , install Magisk and reboot
Reboot to recovery
EX kernel , TWRP, Magist and reboot
Correct ?
Everything works fine except mobile network connection after install 14.1 beta.
Can make/receive call, but can't connect to mobile network.
My install step is:
1.flash-all with opr3 full package.
2.Setup Pin code. ( mobile network works)
3.Flash both boot slot with stock boot.img. (mobile network works)
4.Boot to twrp 3.1 and install ElementalX 2.01 than reboot. (mobile network works)
5..Boot to twrp 3.1 and install Magisk 14.1beta than reboot. (mobile network fail)
6.Full uninstall Magisk with Magisk Manager than reboot. (mobile network works again)
Anyone has the same problem?
I'm still on a custom rom based on 7.1.2 and all i had to do is flash magisk 14.1 zip using twrp RC2. Everything works fine. Had to manually install magisk manager tho.
chowtom said:
Everything works fine except mobile network connection after install 14.1 beta.
Can make/receive call, but can't connect to mobile network.
My install step is:
1.flash-all with opr3 full package.
2.Setup Pin code. ( mobile network works)
3.Flash both boot slot with stock boot.img. (mobile network works)
4.Boot to twrp 3.1 and install ElementalX 2.01 than reboot. (mobile network works)
5..Boot to twrp 3.1 and install Magisk 14.1beta than reboot. (mobile network fail)
6.Full uninstall Magisk with Magisk Manager than reboot. (mobile network works again)
Anyone has the same problem?
Click to expand...
Click to collapse
No problem here was 8.0 stock latest installed 14.1 and everything works.
If i'm already rooted and on Su and SuHide, how does one go about installing Magisk
Rockstar! Nice to be certified once again...
Thank you
---------- Post added at 01:13 PM ---------- Previous post was at 01:08 PM ----------
Nexus6pMyPhone said:
If i'm already rooted and on Su and SuHide, how does one go about installing Magisk
Click to expand...
Click to collapse
Hello,
Follow the instructions on the SULite site for removal and also uninstall the SU app itself. Download the full September Oreo zip and remove the -w from the bat file. Then execute the bat file from bootloader which will flash the full Oreo image. This will give you a new boot image that is not rooted and one Magisk can patch.
Cheers
chowtom said:
Everything works fine except mobile network connection after install 14.1 beta.
Can make/receive call, but can't connect to mobile network.
My install step is:
1.flash-all with opr3 full package.
2.Setup Pin code. ( mobile network works)
3.Flash both boot slot with stock boot.img. (mobile network works)
4.Boot to twrp 3.1 and install ElementalX 2.01 than reboot. (mobile network works)
5..Boot to twrp 3.1 and install Magisk 14.1beta than reboot. (mobile network fail)
6.Full uninstall Magisk with Magisk Manager than reboot. (mobile network works again)
Anyone has the same problem?
Click to expand...
Click to collapse
Yep, worked fine after flashing rom then magisk. Rebooted to flash EX kernel, after coming back magisk manager said it wasn't installed. Rebooted, flashed magisk again, came back and I had no mobile network connection, and my wifi connection appeared to work fine but in actuality nothing loaded. Also, camera was totally blank.
Update: Magisk 14.2 (just released) seems to fix issues with networking and camera. Running EX and Magisk together without issue, except...
SafetyNet check in Magisk shows both checks as false, and I can confirm as I'm unable to sign into snapchat lol.
One more update: Netflix and root checker behave how they should with Magisk hide enabled, but SafetyNet test, Magisk's SafetyNet checker, and Snapchat don't. Have tried turning off USB debugging, Magisk Hide box is checked, and SELinux is Enforcing. Just trying to be thorough with info I give.
Are you able to use the sky go app with Magisk 14.1 on the Pixel? Suhide fails to hide root from sky go
any one have the issue where you don't have magisk manager installed after flashing 14.2? or am i doing something wrong?
[email protected] said:
any one have the issue where you don't have magisk manager installed after flashing 14.2? or am i doing something wrong?
Click to expand...
Click to collapse
you have to download and install the apk separately
EDIT: hm... not seeing a download for the 5.3.5 version of the app :S
EDIT 2: https://github.com/topjohnwu/MagiskManager/releases
there should be version 5.3.5
WarningHPB said:
you have to download and install the apk separately
EDIT: hm... not seeing a download for the 5.3.5 version of the app :S
Click to expand...
Click to collapse
yup, I didnt see it either so i assumed it must install apk while flashing like it used to.
i dont see any apk to download and i dont see anything mentioned about this.
attaching recovery log. hope it helps @topjohnwu
[email protected] said:
yup, I didnt see it either so i assumed it must install apk while flashing like it used to.
i dont see any apk to download and i dont see anything mentioned about this.
attaching recovery log. hope it helps @topjohnwu
Click to expand...
Click to collapse
apologies i edited my post a few times you might not have seen the second one there's a download link on the git hub
EDIT 2: https://github.com/topjohnwu/MagiskManager/releases
there should be version 5.3.5
Click to expand...
Click to collapse

[GUIDE] How I got Viper4Android working on rooted Xiaomi.eu rom

After a few failed attempts (using Audio Modification module etc.) I found a way to get Viper working on the Mi 9. installed on the rooted Xiaomi.eu rom via TWRP and Magisk.
1. Download the Viper4Android_FX-v3.4.2.zip via Magisk but don't install it via Magisk
2. Boot to TWRP and flash the Viper zip and then adhere to the following:
- Press a volume button when prompted to do so
- Volume down (to choose vol key installation method)
- Vol up (for new 2.5.0.5)
- Vol up (for material, if preferred)
- Vol up (for system app)
- Vol up (for lib workaround to be installed)
3. Reboot
4. Via Magisk find and install "Init.d injector" and then reboot
Viper4Android should now be processing your audio!
Rommco05 said:
Installation from Magisk doesn't work? Just curious
Click to expand...
Click to collapse
Not the usual way. On my Pixel 2 XL, either the magisk module would work out of the box or using the Audio Modification Library module would make it work. I tried both of these ways, with no success the driver just wouldn't install. Tried the XDA labs apk, along with the Audio Modification Library, didn't work. Was even waiting a few minutes after boot as I know sometimes/some roms it takes a few minutes to initialise.
After lots of playing around of different versions, I tried that additional installation step of the lib workaround, which states that init.d support is needed too. With the use of that extra init.d module, it works!
I spent some time doing this and figured I'd help out others when they come to do it too!
I managed to install via Magisk?? Maybe due to a Magisk update?
*justintime* said:
I managed to install via Magisk?? Maybe due to a Magisk update?
Click to expand...
Click to collapse
Ahh yeah that's fair enough! Probably flashing via TWRP isn't necessary, so long as the additional init module is there too
Rommco05 said:
Installed init and after Viper4 from Magsik and didn't work, need flash ot trough twrp, today...
Click to expand...
Click to collapse
Ah tgats handy to know! My initial istructions remain valid then
Rommco05 said:
Installed init and after Viper4 from Magsik and didn't work, need flash ot trough twrp, today...
Click to expand...
Click to collapse
Funny with twrp it wasn't working for me...... Magisk had an update. "Check updates canary build' in manager.
And it was a straight away. Flash.... Only no equalizer in usb/dock out though for Android auto
Rommco05 said:
btw after last Magisk update I was able install Viper4 over manager. I also installed that last option (fix)
Click to expand...
Click to collapse
Thanks, that's handy to know!
I simply couldn't get viper4android to work and didn't have much luck with the init.d injector... I ended up following your steps and installed a custom kernel and emulated init.d via the kernel auditor app.... Now its working perfectly!
Have any of you tried the ainur sauron mod on the mi 9?
hi is it possible to get viper4android work with magisk flash? because i don't want twrp and loosing encryption.
when i flash trough magisk viper4android app doesn't appear?
thank you
(sorry for bad english)
dffhgg said:
hi is it possible to get viper4android work with magisk flash? because i don't want twrp and loosing encryption.
when i flash trough magisk viper4android app doesn't appear?
thank you
(sorry for bad english)
Click to expand...
Click to collapse
Possibly...
Have you tried rebooting? Otherwise I'm unsure I'm afraid....
cd993 said:
Possibly...
Have you tried rebooting? Otherwise I'm unsure I'm afraid....
Click to expand...
Click to collapse
yes for sure i rebooted many times but no success..
always viper4android doesn't appear
i also tried install via apk download viper4android then install there also not work, after reboot it reask to install driver.
dffhgg said:
yes for sure i rebooted many times but no success..
always viper4android doesn't appear
i also tried install via apk download viper4android then install there also not work, after reboot it reask to install driver.
Click to expand...
Click to collapse
And this is with the init d module as well?
with init.d injector module from magisk? yes i installed it alredy
dffhgg said:
with init.d injector module from magisk? yes i installed it alredy
Click to expand...
Click to collapse
And you're on the latest eu rom?
Hmm all I can suggest is to remove fully uninstall viper, the init d module and make sure no other audio mods are installed, reboot, then install viper again (ensuring to choose yes to the lib workaround) and the init d module.
If that doesn't work, then unfortunately I'm out of ideas as I tried lots 9f things and this was the only method that worked for me.
Good luck
yes i'm on 10.2.17
i will give it a try and let you know.
hope will work thank you
dffhgg said:
yes i'm on 10.2.17
i will give it a try and let you know.
hope will work thank you
Click to expand...
Click to collapse
I'm on the latest weekly 9.4.11, if that makes any difference
can i flash this version whithout data loss?
i tried reinstall everything but no succes
hi guys my problem is solved!
what i did:
change selinux to permissive with this tool: Kernel SEPolicy patcher https://zackptg5.com/android.php
now viper4android is detect driver its full work!
dffhgg said:
hi guys my problem is solved!
what i did:
change selinux to permissive with this tool: Kernel SEPolicy patcher https://zackptg5.com/android.php
now viper4android is detect driver its full work!
Click to expand...
Click to collapse
Great! I'll save that just in case I ever need it
keep getting the following error
Checking for Digest files
Skipping Digest check: no digest file found
on twrp 3.3.0 b8 and latest EU rom

[ROM][UNOFFICIAL][12.0L][ N7105/T0LTE ][Samsung Galaxy Note 2 LTE][ LineageOS 19.1 ][BETA]

Code:
/*
* Your warranty is now void.
*
* I am not responsible for bricked devices, dead SD cards,
* thermonuclear war, or you getting fired because the alarm app failed. Please
* do some research if you have any concerns about features included in this ROM
* before flashing it! YOU are choosing to make these modifications, and if
* you point the finger at me for messing up your device, I will laugh at you.
*
*/
Hi,
here you can find my version for the Samsung Galaxy Note 2 LTE on LineageOS 19.1.
This is a beta build, also from the LineageOS side, there are typical functions still missing, so don't install it if you want a completely stable and completed ROM and don't report my already listet bugs!
Attention:
Sometimes it needs another reboot to find the sim card.
When you have BitGapps installed, you have to reflash them after every update!
This ROM is only tested with N7105, so maybe you could to give me a feedback if it does or does not work with all the different Note 2 LTE variants.
It theoretically should work for:
SGH-I317
SGH-I317M
SCH-I605
SPH-L900
SGH-T889
SHV-E250S
SHV-E250K
SHV-E250L
SC-02E
GT-N7105/N7105T
SGH-T889V
SHV-E250S/E250K/E250L
SC-02E (SGH-N025)
Here you can see how far everything is working for now.
Spoiler: Whats working
Boot
Audio
Bluetooth
Graphics
Cameras
Sensors
Wifi
GPS
USB
Video playback (HW/SW)
Tethering via USB
RIL
OTA-Updates
Tethering via WIFI and Bluetooth
much more...
Spoiler: Whats not working
Random reboots
NFC
SD-Card can't be formatted as internal storage, this will cause a bootloop
Random losses of sim card
Spoiler: Links
TWRP
ROM
ROM Mega
Spoiler: Changelog
14.02.2022
08.03.2022
17.03.2022
25.03.2022
04.04.2022
19.04.2022
14.06.2022
29.09.2022
25.01.2023
Spoiler: How to improve GPS
You could use a gps.conf from https://app.box.com/s/w57s1v1n3hie7l5lk28i for your location and replace /vendor/etc/gps.conf.
Or you try GPS Server Optimizer app for a faster 3D fix.
For both methods you need root rights.
I would recommend to use microG instead of BitGapps,
here you can find the installation instructions:
Spoiler: microG instructions
Download Magisk 24.1 and flash it via TWRP (yes, flash the APK file), reboot
Open Magisk and update the App (and do a reboot if it's asking)
Enable Zygisk in Magisk
Download and install microG installer in the Magisk manager, reboot
Download and install safetynet-fix in the Magisk manager, reboot
Check with a safetynet checker app and you should pass
Spoiler: If you're facing installation problems.
Samsung seems to use differen't partition tables for these devices,
so far we know a t889, I317 and maybe other devices != n7105 are having a too small HIDDEN (for us vendor) partition.
So if you're facing problems like here
Getting "E2001: Failed to update vendor image." during clean flash.
This means that you have to resize it, check out these two posts:
Manual way
Zip way
Do you like my work?
Than you can simply hit the thanks button and consider to spend me a coffee or a beer,
I'm doing this in my free time and it also costs a lot of money to buy hardware.
donate
Wanna improve your sound configs, control your charging current and more?
Now you can use my app to access all boeffla configurations, there will follow more functions.
Exynos4 Kernel Manager - Apps on Google Play
This app provides Boeffla sound control and other kernel + charging tweaks
play.google.com
Spoiler: How to install it?
Instructions
XDA:DevDB Information
[ROM][12.x][N7105/T0LTE][BETA] LineageOS 19.1, ROM for the Samsung Galaxy Note 2 LTE
Contributors
html6405
Source Code: https://github.com/html6405
ROM OS Version: 12.x S
ROM Kernel: Linux 3.x
ROM Firmware Required: TWRP 3.5.2
Based On: LineageOS
Selinux: permissive, this only makes sense as soon the ROM is stable.
Version Information
Status: Beta
Created 2022-02-11
Last Updated 2023-01-25
*reserved
Update 14.02.2022:
Fixed APN setting problem at boot.
Update 15.02.2022:
Fixed GPS completely, including 3D fix
Fixed low signal for 3G and 2G network
thanks for this i cant install via twrp magisk
phone is stuck on samsung galaxy boot logo when booting. Boots normally for the first time after flashing. I installed magisk via twrp before booting for the first time. Then i updated magisk and it told me to reboot the phone. Phone is stuck on samsung galaxy boot logo. Twrp opens normally. I have waited for 25 minutes and nothing is happening, took the battery out and it have not changed anything. After wiping the phone and installing for the second time nothing changed.
tymgam said:
After wiping the phone and installing for the second time nothing changed.
Click to expand...
Click to collapse
I guess because Magisk reflashed itself.
Boot into TWRP, delete the /data/adb folder with the file manager.
Reboot into TWRP and reflash the ROM, now the kernel should be unpatched and it should boot up again.
Update 08.03.2022:
Synched with latest LineageOS sources
Update 17.03.2022:
Switched to Android 12L , attention, this could not work with your existing gapps! (mindthegapps will work)
A clean installation is recommended.
Is lineage os 19.1 still in beta or is it stable to download? In mine it says information where the download button is. It's a fantastic rom.
Update 25.03.2022:
Synced with latest LineageOS sources
Created possibility to disable the HW navigation keys (not really needed for full gesture navigation)
Fixed boot problem, which mostly appeared after booting from TWRP
Fixed shutdown bug (device restarted sometimes instead)
Update 04.04.2022:
Re-Implemented and enabled boeffla sound
Fail to install magisk.
what can i do if i need root?
god123456 said:
Fail to install magisk.
what can i do if i need root?
Click to expand...
Click to collapse
Try magisk 23.0 or 24.1.
html6405 said:
Try magisk 23.0 or 24.1.
Click to expand...
Click to collapse
thank you very much
installed 23.0 ,will try 24.1 later
Great news,
now you can download my app to access all boeffla settings like boeffla sound and also charging controls.
More features will follow .
Exynos4 Kernel Manager - Apps on Google Play
This app provides Boeffla sound control and other kernel + charging tweaks
play.google.com
Update 19.04.2022:
Synced with LineageOS sources
Update 14.06.2022:
Synced with LineageOS sources
Are there any users who want to test some RIL fixes?
i just got this device as well as the s3 i9300. happy to test some things for you as there doesnt seem to be too much activity

[GUIDE] Easy Install Viper4Android on Android 12 ROM

Hi guys,
I will share with you how to install Viper4Android FX 2.7 without any hassle here.
Tested on Xiaomi Mi 9T Pro (raphael) on Custom ROM Evolution X A12.
Theoretically it should works also for Android 10 and 11.
Follow instruction below :
1. Download the zip here : https://github.com/programminghoch10/ViPER4AndroidRepackaged/releases
2. Install it via Magisk, THEN reboot.
3. Go to Viper4Android, turn Master Limiter ON to apply any effects.
3. Enjoy!
(NOTE: Keep the Legacy Mode always ON in V4A Settings.)
If you face problem such as V4A not processing audio from streaming services such as Spotify, Youtube, etc,. you may flash Audio Compatibility Patch and Audio Modification Library. Instruction as follow :
PLEASE make a backup of your data in case something goes wrong during the process.
1. Uninstall Viper4Android by flashing the .zip again via TWRP or remove it via Magisk and reboot.
2. download both ACP and AML :
- ACP https://john-fawkes.com/Downloads/acp.zip
- AML https://zackptg5.com/downloads/Audio-Modification-Library_v4.2.zip
3. Install both zip via Magisk in following order :
- AML , once complete do not reboot immediately, go back and install ACP instead.
- ACP ( during ACP installation PLEASE PAY ATTENTION, it will run a setup wizard and you need to respond all of the options appeared using volume key + and - , otherwise the setup will fail and ACP is not installed.
If you somehow missed the wizard step you can just flash the ACP again and retry try again.
If you are unsure which one is the suitable one for you, you can refer to my reference below )
Code:
Patch audio_policy ? | Yes
- Select Patch Method : | Vol Up - Patch (new logic)
Remove notification_helper ? | Yes
- Select Fix Method : | Vol Up : Remove notification_helper effect
Patch USB policy for dacs ? | No
Use Lib workaround ? | No
4. After you flashed the zips, you need to REBOOT to RECOVERY and CLEAR DALVIK CACHE.
5. Then reboot to System.
6. Install V4A via Magisk and then reboot again.
7. Go to Viper4Android, turn Master Limiter ON to apply any effects.
8. Keep the Legacy Mode always ON in V4A Settings.
In case your phone stuck in reboot process, you can force reboot to Recovery by press holding Power Button and Volume +, then clear dalvik cache again. If its not working then you can uninstall the Magisk by flashing Magisk Uninstaller via TWRP.
Big thanks to @programminghoch10 for making the zip really easy to install.
Source :
https://github.com/programminghoch10/ViPER4AndroidRepackaged
Credits :
@programminghoch10
@pittvandewitt
It can't work on Redmi K50 Pro. QAQ
hey mark,
it works for me (Galaxy A52 4G, LOS 19.1) only with RadioDroid with legacy mode off. if i play music with any other player (vlc, ezfolderplayer) i have to switch the legacy mode on, viper is activated but not processing.
any suggestions?
Peter_Petersen said:
hey mark,
it works for me (Galaxy A52 4G, LOS 19.1) only with RadioDroid with legacy mode off. if i play music with any other player (vlc, ezfolderplayer) i have to switch the legacy mode on, viper is activated but not processing.
any suggestions?
Click to expand...
Click to collapse
Yeah if thr V4A not processing you may install ACP and AML from Magisk, then clear the cache in TWRP (I would suggest to backup your data first just in case). I will share the instruction later this day, currently I'm not in front of my PC.
O2C14 said:
It can't work on Redmi K50 Pro. QAQ
Click to expand...
Click to collapse
Can you elaborate the problem ? is it not processing or it fail during the installation ?
Peter_Petersen said:
hey mark,
it works for me (Galaxy A52 4G, LOS 19.1) only with RadioDroid with legacy mode off. if i play music with any other player (vlc, ezfolderplayer) i have to switch the legacy mode on, viper is activated but not processing.
any suggestions?
Click to expand...
Click to collapse
I have updated the guide, please do check it out and let me know if its working on your end.
mark.dx said:
I have updated the guide, please do check it out and let me know if its working on your end.
Click to expand...
Click to collapse
Unfortunally, the same as before. I've done exactly the steps you describe in your (new) guide. AML, ACP, V4A, Wipe Delvik.
NEON: Enabled
Active: YES
Processing: NO
Only RadioDroid is working with disabled legacy mode.
I will do a clean install oft LOS (wipe all) and try it again.
Thanks for your efforts...
WBR
Peter_Petersen said:
Unfortunally, the same as before. I've done exactly the steps you describe in your (new) guide. AML, ACP, V4A, Wipe Delvik.
NEON: Enabled
Active: YES
Processing: NO
Only RadioDroid is working with disabled legacy mode.
I will do a clean install oft LOS (wipe all) and try it again.
Thanks for your efforts...
WBR
Click to expand...
Click to collapse
Hi Peter,
Sorry for your trouble, maybe you can try this method instead that I make for Android 11 here : https://forum.xda-developers.com/t/guide-viper4android-fx-for-android-11-based-custom-rom.4288611/
If it still fails, I would like to recommend to you Wavelet instead : https://forum.xda-developers.com/t/app-9-0-wavelet-headphone-specific-equalization.4097957/ its much simpler but very effective it even works non rooted and it have AutoEq with so many presets for various headphone and IEMs, worth to try.
For me this was enough for it to work perfectly not only in android 12L but in A11, 10 etc it works perfect
Link post: https://forum.xda-developers.com/t/...stortion-bluetooth-audio-issue.4012249/page-2
If it doesn't work try to copy the file in the following path data/adb/modules/viper and then activate the legacy mode and finally restart the phone should be working
(Sorry for my English)
Hey together,
i finally got Viper to work with all my audio apps.
LOS 19.1, Galaxy A52/4G, Magisk 24.1
My steps:
- remove AudioFX via Magisk Module AOSPsoundfxRemover-MagiskModule.zip
- install AML and ACP (mark.dx guide)
- reboot to recovery and clear dalvik cache
- reboot
- set selinux temporary to permissive
- install Viper4Android
- reboot
- enable Legacy Mode in Viper
done...
now, it's only necessary to install ViPER4AndroidFX-repackagedhoch25 and everything works fine on my Galaxy A52 4G 128 GB. Magisk 25.2.
@mark.dx , i gave wavelet a try, good app but the setting 'subwoofer' under 'bass' in Viper is indispensable for me. ;-)
WBR
Peter_Petersen said:
Hey together,
i finally got Viper to work with all my audio apps.
LOS 19.1, Galaxy A52/4G, Magisk 24.1
My steps:
- remove AudioFX via Magisk Module AOSPsoundfxRemover-MagiskModule.zip
- install AML and ACP (mark.dx guide)
- reboot to recovery and clear dalvik cache
- reboot
- set selinux temporary to permissive
- install Viper4Android
- reboot
- enable Legacy Mode in Viper
done...
@mark.dx , i gave wavelet a try, good app but the setting 'subwoofer' under 'bass' in Viper is indispensable for me. ;-)
WBR
Click to expand...
Click to collapse
glad that it finally worked for you. What's nice about Wavelet is the AutoEq feature is replacing convolver and DDC profile in V4A and they already providing tons of config for various headphones and IEMs.
I tried with oneplus 9 but didn't work, i dont know what else to do. I have selinux on permissive
The driver installation keeps looping on my redmi k50 pro. I tried all methods from the internet. Can anyone help pls?
Untzo said:
I tried with oneplus 9 but didn't work, i dont know what else to do. I have selinux on permissive
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Click to collapse
do you have AudioFX installed ? see previous post for reference
have you try to remove the V4A and use my guide ?
thinhdinh25 said:
The driver installation keeps looping on my redmi k50 pro. I tried all methods from the internet. Can anyone help pls?
Click to expand...
Click to collapse
mark.dx said:
have you try to remove the V4A and use my guide ?
Click to expand...
Click to collapse
of course. I think dolby atmost caused that problem
So I have a note 20 ultra and I have tried everything for the last few days to get Viper installed ad running
It just refuses to process (closest I've gotten to it working.) I'm now at a loss on what to do. Any suggestions?
dtk0kai said:
So I have a note 20 ultra and I have tried everything for the last few days to get Viper installed ad running
It just refuses to process (closest I've gotten to it working.) I'm now at a loss on what to do. Any suggestions?
Click to expand...
Click to collapse
turn off / disable any built in equalizer or other audio processing that come with the phone.
Dolby Atoms (stock A12 ROM) is switched off.
Still cannot get v4A drivers to install.
Auto reboots phone after trying to install v4a drivers - when I open v4a app, same problem repeats.
I've tried a 101 different ways based on XDA guides/ various different forums. Nothing has helped.
I've got s22 ultra snapdragon variant; on stock SamsungA12; rooted with TWRP & flashed multidisabler etc.
I think the v4a driver installation process is not happening successfully...... Need help please.
Have i done something wrong? Where can i get all the other features or have they been removed

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