[Q] Using Viper4Android with Poweramp on Stock Lollipop Rom - G4 Q&A, Help & Troubleshooting

Hello, I've got a problem. I've rooted my LG G4 and now I´m on stock 10c version, bootloader is locked. I've changed SELinux to permissive and wanted to use Viper4Android with Poweramp. Viper4Android is working, besides I've tried this http://forum.xda-developers.com/lg-g2/general/guide-poweramp-viper4android-lollipop-t3133935 and this http://forum.xda-developers.com/lg-g2/general/guide-how-to-make-viper4android-lollipop-t3075794 and this http://forum.xda-developers.com/showpost.php?p=62107040&postcount=109, but I've not managed to get Viper4Android working with Poweramp. In FX compatible mode, it has just no effect, and in normal mode, it shows "Status: normal" and "Enabled: Yes", but "processing: no" in driver status. In Poweramp, DVT is disabled, in developer options, NuPlayer is disabled. So I have no idea what's wrong with this.
Has anyone an idea?
Edit: I've freezed the stock music app via Titanium Backup, so there should be no equalizer working, I think at least?

Man I m here with you.. I can't get it to work with poweramp either tried all those methods. The funny thing is it works with the stock music player, just not poweramp.
Edit: I tried the method mentioned from the first link that you have posted. This worked for me finally .
RogerF81 said:
Hello, I've got a problem. I've rooted my LG G4 and now I´m on stock 10c version, bootloader is locked. I've changed SELinux to permissive and wanted to use Viper4Android with Poweramp. Viper4Android is working, besides I've tried this http://forum.xda-developers.com/lg-g2/general/guide-poweramp-viper4android-lollipop-t3133935 and this http://forum.xda-developers.com/lg-g2/general/guide-how-to-make-viper4android-lollipop-t3075794 and this http://forum.xda-developers.com/showpost.php?p=62107040&postcount=109, but I've not managed to get Viper4Android working with Poweramp. In FX compatible mode, it has just no effect, and in normal mode, it shows "Status: normal" and "Enabled: Yes", but "processing: no" in driver status. In Poweramp, DVT is disabled, in developer options, NuPlayer is disabled. So I have no idea what's wrong with this.
Has anyone an idea?
Edit: I've freezed the stock music app via Titanium Backup, so there should be no equalizer working, I think at least?
Click to expand...
Click to collapse
Third (manual) method, which might work for other roms and even other phones:
- Download attached zip, extract files
- Using any file explorer (ie: Rootexplorer), go into /system/Priv-app and create a folder called V4A or Viper4Android. Place ViPER4Android_FX_A4.x.apk in this folder. While the folder isn't actually necessary, it's cleaner than just leaving the .apk inside /priv-app/
- Go into /system/media/etc and do a backup of audio_policy.conf
- Open up audio_policy.conf using a text editor, and delete the following code:
Code:
deep_buffer {
sampling_rates 44100|48000
channel_masks AUDIO_CHANNEL_OUT_STEREO
formats AUDIO_FORMAT_PCM_16_BIT
devices AUDIO_DEVICE_OUT_SPEAKER|AUDIO_DEVICE_OUT_EARPIECE |AUDIO_DEVICE_OUT_WIRED_HEADSET|AUDIO_DEVICE_OUT_W IRED_HEADPHONE|AUDIO_DEVICE_OUT_ALL_SCO|AUDIO_DEVI CE_OUT_AUX_DIGITAL|AUDIO_DEVICE_OUT_PROXY|AUDIO_DE VICE_OUT_ANLG_DOCK_HEADSET|AUDIO_DEVICE_OUT_FM|AUD IO_DEVICE_OUT_FM_TX
flags AUDIO_OUTPUT_FLAG_DEEP_BUFFER
}
Click to expand...
Click to collapse
- Reboot
- Go into Viper settings app
- Install required driver
- Go into poweramp -> settings -> audio -> advanced tweaks -> Disable DVT (Direct volume control)
- Reboot

Yeah, now the first method worked for me finally too, but...! Now Android OS drains significant much more battery than before and that's why it's not a solution for me and I will abstain from using Viper4Android on Stock Rom until my guarantee expires, so I have to wait for more than a year and a half

RogerF81 said:
Yeah, now the first method worked for me finally too, but...! Now Android OS drains significant much more battery than before and that's why it's not a solution for me and I will abstain from using Viper4Android on Stock Rom until my guarantee expires, so I have to wait for more than a year and a half
Click to expand...
Click to collapse
I dont have this issue. Atleast not yet, were u using the Super high quality more( or something like that)?
also i don't think root voids u r guarantee, but its ur choice

Ok then I don't know what I am doing wrong... No I have just the High Quality Mode. Auf oh I have root but when I don't have guarantee any more, I consider to install another ROM
Respectively, on MM it's not possible to root withoout unlocking bootloader :/

Use Link2SD and convert V4A to a System App. Now it should work fine with Poweramp.

Related

[MOD] Volume+ compatibility!

Requirements
- Ice Cream Sandwich (Android 4.0)
- HTC Device with "Beats" software
- Root Access
SHOULD WORK ON ANY HTC DEVICE WITH BEATS
On the Stock HTC One X, Volume+ does make a difference, but the amount you can boost the volume by is minimal, as are the EQ/Bass adjustments.
While messing with some system files (as you do) I noticed that on HTC devices with 'Beats' software, the 'audio_effects.conf' file (located in 'system/etc') is different from the standard ICS version and is missing a few values. I added the missing ones back in (whilst keeping all the beats stuff intact) and after a reboot, much more EQ control!
This allows you to go louder (not much louder, HTC speakers are terrible and just distort to hell, but you can distort it to your heart's content! )
Much better for the headset EQ too!
It also works alongside Beats just fine!
Instructions
Method One (ADB)
First, Back up your 'audio_effects.conf'
Code:
adb remount
adb pull system/etc/audio_effects.conf
or
Code:
adb remount
adb mv system/etc/audio_effects.conf audio_effects1.conf
Then, extract the file from the attached zip, push the file and reboot your phone
Code:
adb push /link/to/file/audio_effects.conf system/etc/
adb shell reboot
Method Two (File Manager)
Extract the file from the attached zip and put the file on your phone's SDcard
Use Root explorer (or similar) to move the file to system/etc
(backup original file first!)
Permissions might need to be set for the new file (mine's set to "rw-rw-rw-"). Incorrect permissions can cause a Force Close
Then reboot your phone
AUDIO_EFFECTS DOWNLOAD
Few things to bear in mind:
1) Bass Boost will bug out if you turn it up too much, watch out for that
2) Volume can go up to around +14/15. Any higher any it can bug out the audio
3) Echo/Delay doesn't work on ICS
4) Volume+ WILL Force Close if installed alongside DSP Manager. Please be aware of this.
Click to expand...
Click to collapse
That's it, let me know if it works for you!
Enjoy
Cool. I'll give it a go.
From One X
Tested with professional headphones for studio. No change at all.running touch x-treme 2.1.0
smaberg said:
Tested with professional headphones for studio. No change at all.running touch x-treme 2.1.0
Click to expand...
Click to collapse
Huh, that's odd, it works fine on ARHD.
I'll have a look.
Sent from my HTC One X using xda premium
I have the ''old'' 1.8.1 on Leedroid, I set volume boost to 14 and virtual room +6, I am hearing crackling sounds before and/or after system sounds are played.
would this patch correct these?
Meltus said:
Huh, that's odd, it works fine on ARHD.
I'll have a look.
Sent from my HTC One X using xda premium
Click to expand...
Click to collapse
Oops, sorry it works with HTC music player, I use poweramp, but poweramp also works if you uncheck music engine in sound settings. Then also use poweramp eq to your likings.
So the file could use some more tweaking.
Is there any way to make the incall volume louder?
drizztzou said:
Is there any way to make the incall volume louder?
Click to expand...
Click to collapse
Yes - anything as we know from other ports - XLOUD.hack maybe?
all of the ringtones are very low. (speaker is undersized)
smaberg said:
Oops, sorry it works with HTC music player, I use poweramp, but poweramp also works if you uncheck music engine in sound settings. Then also use poweramp eq to your likings.
So the file could use some more tweaking.
Click to expand...
Click to collapse
If you untick 'Direct Sound' or something in the PowerAmp settings it should work fine with Volume+, DSPManager, etc.
Sent from my HTC One X using xda premium
I have a constant message "unfortunately volume+ has stopped". What I did is to rename the file in System/Etc with File Expert (first mount the volume as read/write), than copy the file from the archive in the same folder. Restart the phone and get the message above.
Manafa said:
I have a constant message "unfortunately volume+ has stopped". What I did is to rename the file in System/Etc with File Expert (first mount the volume as read/write), than copy the file from the archive in the same folder. Restart the phone and get the message above.
Click to expand...
Click to collapse
That file won't have anything to do with the force close, I don't think. What does the logcat say?
Sent from my HTC One X using xda premium
Sorry, I'm not familiar with logcat. Please let me know where to look for it?
I had volume+ installed and it opening fine and never had error messages. After put your file, the FC message appear immediately after restart.
Edit: Trying to uninstall and install again the volume+, but no success. I have the paid version, but also tried the free version - same result.
Edit2: Just delete the file and restore the original one - volume+ opening fine, no FC
Manafa said:
Sorry, I'm not familiar with logcat. Please let me know where to look for it?
I had volume+ installed and it opening fine and never had error messages. After put your file, the FC message appear immediately after restart.
Edit: Trying to uninstall and install again the volume+, but no success. I have the paid version, but also tried the free version - same result.
Edit2: Just delete the file and restore the original one - volume+ opening fine, no FC
Click to expand...
Click to collapse
You must set the right permission on the file. Rw.r.r.
I also think this should be the reason, but as not mentioned in OP I don't try to play with permissions. Thanks, Smaberg, it's working fine now. Cheers.
If you installed DSP manager it can conflict with it and do an FC
Manafa said:
I also think this should be the reason, but as not mentioned in OP I don't try to play with permissions. Thanks, Smaberg, it's working fine now. Cheers.
Click to expand...
Click to collapse
Ah, sorry, I wasn't aware incorrect permissions cause a FC. I'll amend the OP.
vegetaleb said:
If you installed DSP manager it can conflict with it and do an FC
Click to expand...
Click to collapse
Yeah, they don't play nice together.
I'll add that to the OP too
Up and running, I am already a Volume+-lover so I just installed the conf file.
Sounds great... just testing Headset and Spotify.
Eveything is louder and more bass.... and this can for sure blow out your ears
Thanks !
Works fine, many THX.....but my problem on One X is that phone calls Sounds and SMS Notifications are really quiet (someone told same before), is there any chance to set volume higher on that!?
Petteri said:
Works fine, many THX.....but my problem on One X is that phone calls Sounds and SMS Notifications are really quiet (someone told same before), is there any chance to set volume higher on that!?
Click to expand...
Click to collapse
Raising the Volume Level under "Speaker" should make it louder. It will probably just distort horribly if you go much louder than stock though
Works good for me... I've been using volume+ since my DHD cheers

[Q] I have never rooted a phone, help me?

Hi. Can you help me to root my phone? I have error: device not rooted with EasyRootTool v11.
Here is a screenshot: http : // i . imgur . com / HwXjyOZ . png
My Device Info: http: // i . imgur . com / 6qsbPG0 . png
USB Debugging is On so it's not of it. Please help me, I hate KitKat and all of it bugs like camera use, battery usage etc. so I backed to 4.3 with flashtool but now I want to root it to be able to hide my buttons and use aps in fullscreen mode. Also I'm searching a way to make sound output louder. I heard that it is also able to be done after root. Can you explain me everything about that and help me for root I will be really grateful if you do it because I watched a lot tutorials for root etc but always problems.
atisas2 said:
Hi. Can you help me to root my phone? I have error: device not rooted with EasyRootTool v11.
Here is a screenshot: http : // i . imgur . com / HwXjyOZ . png
My Device Info: http: // i . imgur . com / 6qsbPG0 . png
USB Debugging is On so it's not of it. Please help me, I hate KitKat and all of it bugs like camera use, battery usage etc. so I backed to 4.3 with flashtool but now I want to root it to be able to hide my buttons and use aps in fullscreen mode. Also I'm searching a way to make sound output louder. I heard that it is also able to be done after root. Can you explain me everything about that and help me for root I will be really grateful if you do it because I watched a lot tutorials for root etc but always problems.
Click to expand...
Click to collapse
I think you need to run cmd.exe as a administrator (right click run as administrator) or maybe you don't have Java installed or maybe you don't have the device drivers installed. It's hard to tell.
You'll also need to flash recovery.
But right now we'll focus on rooting.
EDIT: Also go into Settings -> Security -> and tick unknown sources (just for good measure)
What do you mean with "flash recovery". How to do it? And the unknown service was ticked when I tried to root. Now I will try to run as administrator and will tell if the root is again unsuccessful.
Read this - http://forum.xda-developers.com/showpost.php?p=54297393&postcount=5
atisas2 said:
What do you mean with "flash recovery". How to do it? And the unknown service was ticked when I tried to root. Now I will try to run as administrator and will tell if the root is again unsuccessful.
Click to expand...
Click to collapse
http://forum.xda-developers.com/xperia-z1/development/newroot-z1-t2807092
You can try NewRoot if EasyRootTool not working for u.....
TheEndHK said:
http://forum.xda-developers.com/xperia-z1/development/newroot-z1-t2807092
You can try NewRoot if EasyRootTool not working for u.....
Click to expand...
Click to collapse
Your kernel: 3.4.0-perf-ga439037-01014-gdd051d5 is not supported!
@XperienceD looks like really hard for me!
@theprince1991 ran as administrator but again didn't work ;/ Same error!
atisas2 said:
Your kernel: 3.4.0-perf-ga439037-01014-gdd051d5 is not supported!
@XperienceD looks like really hard for me!
@theprince1991 ran as administrator but again didn't work ;/ Same error!
Click to expand...
Click to collapse
JellyBean is not supported in NewRoot tool.!
NewRoot works great. This is an easiest way to root phones with locked bootloader on kitkat!!
atisas2 said:
Your kernel: 3.4.0-perf-ga439037-01014-gdd051d5 is not supported!
@XperienceD looks like really hard for me!
@theprince1991 ran as administrator but again didn't work ;/ Same error!
Click to expand...
Click to collapse
Successfuly rooted with v9. Now can you help me with increase the output volume?
Ok. I completely rooted and increased my volume of the speaker and of the headphones output! I will say how I made everything to be easy to next people who want to do root and increasing volume of their Z1 Compact. First I downloaded "EasyRootTool_v9". I connected my z1c in USB debugging mod. Also ticked unknown sources. Then I connected the phone with the PC and ran easyroottool as administrator. If v9 doesn't root your phone try different versions! Then I downloaded volume files from this link "http : //forum . xda-developers . com / showthread.php?t=2476498" . I chose JB4.3 XZ1C: Volume boost jb. You may be with different sony phone or version of android so download needed one for your phone and android. When you download it, extract the 2 files which are in system/etc/snd_soc_msm/ somewhere on your PC. After you extract them upload them to your phone. For example in downloads folder. Then you have to download a program from Google Play named ES File Explorer, run it and click the top-left icon. Scroll down and open "Tools" bar. There you have to enable Root Explorer and click on it then click Mount R/W and put "/", "/system" to RW. In default they are on RO. After that again from the top-left icon go to Local and click Download. There you will find the 2 uploaded files from the pc (They are named snd_soc_msm_Taiko and snd_soc_msm_Taiko_1x. Mark them both and copy them. Then you click on the window right next to the top-left icon until it is not Device. Then find and open system/etc/snd_soc_msm and paste these both files. Restart your phone and everything is done. Now you have louder speaker and output volume. I can already rave with my headphones, x-mini etc. Really happy that I don't have a reason to prefer iPhone for music. Already have loud android smartphone. Hope you will understand me. Sorry for bad English.
One last question. Is it dangerous for the speaker to be so loud? Is there a way to edit the file and decrease the volume a little bit?
In case you're interested in only increasing the headphone's volume level (and not the speaker): http://forum.xda-developers.com/sony-xperia-z1-compact/themes-apps/mod-headphone-volume-boost-stock-k-k-4-t2833705
TheEndHK said:
http://forum.xda-developers.com/xperia-z1/development/newroot-z1-t2807092
You can try NewRoot if EasyRootTool not working for u.....
Click to expand...
Click to collapse
Tried the newroot route and it actually works perfectly with my 4.4.4 updated Z1c. Before that I've tried running the latest towelroot.apk(Aug/2014) directly on the phone with no luck, EasyRootTool v.11 via Windows also failed on me until now.
Give newroot a go!
jcw6902 said:
Tried the newroot route and it actually works perfectly with my 4.4.4 updated Z1c. Before that I've tried running the latest towelroot.apk(Aug/2014) directly on the phone with no luck, EasyRootTool v.11 via Windows also failed on me until now.
Give newroot a go!
Click to expand...
Click to collapse
I've no problem with EasyRootTool v11 but indeed I tried to fail a time with NewRoot on 4.4.4 so it sometimes depended by luck.
EasyRootTool v11 sometimes you will need run the script 2 to 3 times to make sure it actually rooted.
TheEndHK said:
I've no problem with EasyRootTool v11 but indeed I tried to fail a time with NewRoot on 4.4.4 so it sometimes depended by luck.
EasyRootTool v11 sometimes you will need run the script 2 to 3 times to make sure it actually rooted.
Click to expand...
Click to collapse
The issue I was having with ERT v11 is the included adb binary couldn't found my device (I have USB driver installed, debug mode enabled, etc). But with NR (on fedora 20), once I killed and restarted adb server with sudo, everything works.
I guess this is YMMV

Viper4Android on Nexus 9

I've searched all forums for a solution to make Viper4Android work on Nexus 9.
None has been working for me without killing Chromecast support.
So I've made two solutions to make it work:
TWRP, Root and Busybox is required!
As system app:
In TWRP install V4A_2.3.3.0_[Quality].zip
Boot Android and open V4A
(Uninstall and) Install driver
Reboot Android
As normal app:
In TWRP install V4A_Conf.zip
Boot Android
Install SELinuxModeChanger and set it for "Permissive" mode
Install V4A
Open V4A and install driver
Reboot Android
I've testet with Google Music and Wimp.
PLEASE hit thanks if this helps you!
If you're on another Lollipop device the tricky part in making the V4A driver stick, is to manually edit the audio_effects.conf on the "Vendor" partition. V4A only writes to the system audio_effects.conf.
trackloading said:
I've searched all forums for a solution to make Viper4Android work on Nexus 9.
None has been working for me without killing Chromecast support.
So I've made two solutions to make it work:
TWRP, Root and Busybox is required!
As system app:
In TWRP install V4A_2.3.3.0_[Quality].zip
Boot Android and open V4A
(Uninstall and) Install driver
Reboot Android
As normal app:
In TWRP install V4A_Conf.zip
Boot Android
Install SELinuxModeChanger and set it for "Permissive" mode
Install V4A
Open V4A and install driver
Reboot Android
I've testet with Google Music and Wimp.
PLEASE hit thanks if this helps you!
Click to expand...
Click to collapse
sweet i was looking in the viper4android main thread..i saw ur post. with link.. now i could install viper on my N9..
one question... its better if i flash into system app correct??
Lw00d said:
sweet i was looking in the viper4android main thread..i saw ur post. with link.. now i could install viper on my N9..
one question... its better if i flash into system app correct??
Click to expand...
Click to collapse
That's the one I'm using, so I don't have to be in permissive mode...
I'm getting " unfortunately V4a has stopped" after flashing super quality on Lollipopalooza Rom. any suggestions?
dom2684 said:
I'm getting " unfortunately V4a has stopped" after flashing super quality on Lollipopalooza Rom. any suggestions?
Click to expand...
Click to collapse
I got a similar response with the pure AOSP build, but not with these zips. I used the zips mentioned in the Q&A V4A thread. I think this only works with stock?
igothacked1 said:
I got a similar response with the pure AOSP build, but not with these zips. I used the zips mentioned in the Q&A V4A thread. I think this only works with stock?
Click to expand...
Click to collapse
Ahh gotcha thanks
this work great for me..
what are some preferred settings??
I got around to flashing the Super Quality zip and the V4A_conf.zip on the pure AOSP build. NuPlayer in Dev options is disabled and I'm running SELinux in permissive mode. I still can't get the driver to stick.
igothacked1 said:
I got around to flashing the Super Quality zip and the V4A_conf.zip on the pure AOSP build. NuPlayer in Dev options is disabled and I'm running SELinux in permissive mode. I still can't get the driver to stick.
Click to expand...
Click to collapse
I had to edit the audio_effects.conf file in the Vendor folder to get the driver to stick. Add the lines in Step 6 of the following link: http://www.hacktabs.com/how-to-impr...ity-with-viper4android-audio-drivers-effects/
Leave out the lines for xhifi and look at the screenshot for the location in the file to add the lines.
After you do this, try to add the driver again, then restart.
cor_mann said:
I had to edit the audio_effects.conf file in the Vendor folder to get the driver to stick. Add the lines in Step 6 of the following link: http://www.hacktabs.com/how-to-impr...ity-with-viper4android-audio-drivers-effects/
Leave out the lines for xhifi and look at the screenshot for the location in the file to add the lines.
After you do this, try to add the driver again, then restart.
Click to expand...
Click to collapse
I reverted to a backup before I flashed the Super Quality zip.
Which vendor folder? The /system/vendor/ folder that the driver creates or the /vendor/ folder in root? And the .conf file in /system/vendor/ already contains those lines. Even then, the driver won't stick.
If this provides more information, I'm using Dilligaf's kernel. But I'm positive that wouldn't affect the driver installation.
EDIT: Got it. I copied the audio_effects.conf in the /system/vendor/ folder and replaced the one in the /vendor/ folder. Driver sticks now
igothacked1 said:
I reverted to a backup before I flashed the Super Quality zip.
Which vendor folder? The /system/vendor/ folder that the driver creates or the /vendor/ folder in root? And the .conf file in /system/vendor/ already contains those lines. Even then, the driver won't stick.
If this provides more information, I'm using Dilligaf's kernel. But I'm positive that wouldn't affect the driver installation.
EDIT: Got it. I copied the audio_effects.conf in the /system/vendor/ folder and replaced the one in the /vendor/ folder. Driver sticks now
Click to expand...
Click to collapse
Good to hear. I'm not sure why some people have to add the lines and others don't.
Hmmm... The /system/vendor folder is just a shortcut to the /vendor/ folder on my device, so it should be the same...?
I'm on pure stock and as I see the posts, the ones having problems is on other roms or kernels.
trackloading said:
Hmmm... The /system/vendor folder is just a shortcut to the /vendor/ folder on my device, so it should be the same...?
I'm on pure stock and as I see the posts, the ones having problems is on other roms or kernels.
Click to expand...
Click to collapse
You're right: I'm running Lollipopalooza ROM. That explains it.
Has anyone got convolver to work? The app sees all my irs files in the kernel folder, just has zero effect. Everything else works for me.
Swift keyed from my N9
mrshades812 said:
Has anyone got convolver to work? The app sees all my irs files in the kernel folder, just has zero effect. Everything else works for me.
Swift keyed from my N9
Click to expand...
Click to collapse
I haven't gotten mine to work either. I just noticed it. However, my Oneplus One has IRS working on 5.0.1. It could be how the driver is behaving?
trackloading said:
Hmmm... The /system/vendor folder is just a shortcut to the /vendor/ folder on my device, so it should be the same...?
I'm on pure stock and as I see the posts, the ones having problems is on other roms or kernels.
Click to expand...
Click to collapse
Igothacked said he was using my kernel/ramdisk, I'm not sure what ROM, but the kernel in my boot.img is completely stock, the only edits were to the ramdisk, and I'm positive that would not effect anything with this. I'm not sure about what Roms were being used, I guess it could make a difference, maybe permissions are slightly different or there is a difference with some symlinks with different roms and stock.
Thanks, also working on stock Acer A1-810 too.
I'm also running theLollipopalooza ROM and had to edit the file manually before the driver would install. All seems to be working fine now though. Thanks☺
Nevermind I re-read

Viper4Android on the max

Hi to all. I manage to install viper4android on my new mi max. But the problem is i cannot find a way to disable xiaomi's dirac or headphone sound effects. I manage to disable musicfx but i cannot find audiofx(xiaomi's headphone effects). If using phones speaker or bluetooth viper is working properly . But i plug on any headphones the dirac or headphone effect will activate and viper will not work. Any one manage to fix this headphone effect?
Thanks
Update: i manage to install v4a and working 100%
Steps:
-must be rooted with superSu
-install v4a via twrp (flashable v4a)
-install busybox (after install, reboot)
-find musicfx in settings/installed apps/musicfx and disable it, then reboot
-install SELinuxMode changer set to permissive
-run/open v4a and let it install drivers. After that reboot.
-open music player, open v4a. Ignore the processing : NO
-on v4a open Lock effect mode and adjust the settings to your preferences. Close.
-clear all on your task manager and open music player(play a song), open v4a and on lock effect mode choose disabled, now v4a is working on both on headphones and bluetooth etc.
How were you able to root?
Sent from my MI MAX
Link to download this viper?
gejenn said:
How were you able to root?
Sent from my MI MAX
Click to expand...
Click to collapse
By flashing the SuperSU in TWRP (probably unlocked bootloader, that's how I have done)
SuperSu doesn't unlock bootloader... I wish it was that simple... Only disables encryption verify at boot for system and userdata.
gejenn said:
How were you able to root?
Sent from my MI MAX
Click to expand...
Click to collapse
Firstly unlock mi max via xiaomi request so that you can install recovery. I root it via twrp by installing supersu
viper4Android 2.5.0.5?Close the selinux
link or files?
can you provide files please ? it will be nice if you provide us links or files
Not able to set the selinux, and I have installed the apk not the zip file, since I am not able set the selinux I am not able to install the drivers any help would be appreciated, Thanks.

Viper4Android MTCD Discussion

Okay wanted to make a thread specifically for sharing V4a settings profiles irs etc
v4a is the best sound mod for our units since we don't have to make hardware modifications to be able to have subwoofer controls etc.
This thread is to serve the purpose of creating a space for those using V4A with car audio systems as the threads for V4a don't really address car audio much.
Before I install V4a I flash the XtremeBeats Aural Maximizer 2 zip https://forum.xda-developers.com/showthread.php?t=2634729
for V4a I use ARISE Sound Systems zip package, which includes V4a and other sound add-ons, I flash it via FlashFire
https://forum.xda-developers.com/android/software/r-s-e-sound-systems-auditory-research-t3379709
Sometimes it works better if you extract the v4arise 2.3.4.0 version (that's the best one due to the sound driver is superior than 2.5.0.5 or 2.4.0.1)
I have 13 kicker speakers including a 10'' kicker free air sub.
Here are my Settings for V4A
Enable & Force Enable are both checked
Playback Gain Control is enabled, effect is sight, strength is 4x, Max Output is at -3db
Spectrum Extension is enabled, strength is at .5 (great for spotify streaming)
Convolver - IRS is Samsung SoundAlive Clarity - Cross Channel is @ 15%
Dynamic System enabled , device is high end headphone v2 , dynamic bass @ 15%
Viper clarity enabled , cclarity mode is natural, set at 6db
All the IRS files I have loaded are located in zip attachment.
It sounds amazing now
I am playing around with listening device settings to see if i can find a compatible setting too
masri1987 said:
Okay wanted to make a thread specifically for sharing V4a settings profiles irs etc
v4a is the best sound mod for our units since we don't have to make hardware modifications to be able to have subwoofer controls etc.
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Click to collapse
First check your MCU and Android version from manufacturer is up-to-date - as some introduced sub control in updates. E.g. JY from MCU v.1.90
marchnz said:
First check your MCU and Android version from manufacturer is up-to-date - as some introduced sub control in updates. E.g. JY from MCU v.1.90
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Click to collapse
running 2.0-1 MCU and sub controls do not work.
Hardware modifications are needed for them to work from all my research so far, unless you have something up ya sleeve
masri1987 said:
running 2.0-1 MCU and sub controls do not work.
Hardware modifications are needed for them to work from all my research so far, unless you have something up ya sleeve
Click to expand...
Click to collapse
Works just fine in my experience on JY-UL135. UI provides sub control which works with the correct MCU - JY 1.90 or greater. Nothing wrong with hardware control either - on these units if sub control isnt supported by the MCU, v4a control is limited to android apps, i.e. radio unaffected.
Please share your research.
marchnz said:
Works just fine in my experience on JY-UL135. UI provides sub control which works with the correct MCU - JY 1.90 or greater. Nothing wrong with hardware control either - on these units if sub control isnt supported by the MCU, v4a control is limited to android apps, i.e. radio unaffected.
Please share your research.
Click to expand...
Click to collapse
Regardless of the MCU (i have a gs unit), the sub controls do not work period.
Maybe it's due to my setup, i have a 16 channel, harmon kardon amplifier...
V4A is processing on all applications OEM and aftermarket.
Do I have the steps correct??
1. Boot recovery
2. Install Aural Maximizer zip
3. Boot normal, make sure settings take effect
4. Boot recovery
5. Instal V4A arise zip
6.....
7. Profit
no , do this
1) root or be on malaysk rom
2) install flash fire
3) via flashfire flash aural maximizer zip
4) reboot test it out
5) either flash the v4a zip or extract the apk and isntall it as a user app and reboot
6 profit
ericcire said:
Do I have the steps correct??
1. Boot recovery
2. Install Aural Maximizer zip
3. Boot normal, make sure settings take effect
4. Boot recovery
5. Instal V4A arise zip
6.....
7. Profit
Click to expand...
Click to collapse
Does flash fire depend on Google play services or similar? I was able to install the apk, however when selecting the flash fire icon, it would try to open the program and then immediately quit.
Tried both .24 and .2 flash fire.
I have the MTCD_KGL with the malaysak rom flashed
ericcire said:
Does flash fire depend on Google play services or similar? I was able to install the apk, however when selecting the flash fire icon, it would try to open the program and then immediately quit.
Tried both .24 and .2 flash fire.
I have the MTCD_KGL with the malaysak rom flashed
Click to expand...
Click to collapse
i don't know, my google play services aren't disabled. re-enable it and retry
Thanks for sharing, but where to put the IRS files in your .zip attachment?
here is johnny said:
Thanks for sharing, but where to put the IRS files in your .zip attachment?
Click to expand...
Click to collapse
go to your internal flash storage, Viper4Android\Kernel
put it in the kernel folder
masri1987 said:
go to your internal flash storage, Viper4Android\Kernel
put it in the kernel folder
Click to expand...
Click to collapse
Thnx, I'm gonna try it tomorrow combined with Malaysk V10 rom.
has anyone found a viper ddc to work with car speakers?
I have to open viper every time I turn on my car to get the audio processing to kick in, once I do that it works just fine, until I turn off the car and turn it on again. Do I need to convert it to a system app for it to start automatically? Have the Bonroad 7" Intel Sofia off aliexpress.
carrsteven said:
I have to open viper every time I turn on my car to get the audio processing to kick in, once I do that it works just fine, until I turn off the car and turn it on again. Do I need to convert it to a system app for it to start automatically? Have the Bonroad 7" Intel Sofia off aliexpress.
Click to expand...
Click to collapse
If you install it as a user app, and lock effect mode and show notification it will process normally upon boot.
When you flash it via fireflash for some reason it then does not process until you open it and uncheck and re-check enable.
make sure you have busybox installed and updated too!
has anyone found any good IRS files that they can recommend? i'm always looking for more.
has anyone played with any more IRS files or setups?
Does flashing ARISE zip with FlashFire installs ALL the modules? I only need V4A
Orisai said:
Does flashing ARISE zip with FlashFire installs ALL the modules? I only need V4A
Click to expand...
Click to collapse
The Aroma installer gives you the options to install whatever you want.
I go with the 2.3.4.0 version because of the superior audio driver.

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