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MX4 pro lost conversation voice after flash OMNI ROM 5.1.1.

Hi folks,
Thanks every developer in xda forum to let all of technology enthusiasts find his loves ROMs.
I have flashed OMNI 5.1.1 (omni-5.1.1-20151008-mx4pro-FINAL) on my new MX4 pro via TWRP 2.8.7.0 installed by install.sh.
All function is good, such open Gapps, supersu 2.46, busybox & terminal, except phone have no voice & sound during conversation .
Even I have rebooted and cleared cache more times, every one call me use difference mobile ISPs still can't hear my sound and I can't hear his sound.
Did I lose some step of flashing ROM processes? Any one has encountered this bug and knows how to solve?
Any comments are highly appreciated.

No media sound after flashing custom rom (crdroid or lineage) with loud speaker, why

I have a sound issue with my moto g4 plus, it has stock oreo, the new twrp-file, and those gapps data.
I tried with lineage 15.1 and Crdroid! no matter which rom i choose, there is a sound issue:
1. when i phone with somebody, loudspeaker are working, but ONLY with those LS. Wihtout you cannot hear anything!
2. i have no mediasound with loudspeaker, only with headset!
So are you familiar with these kind of sound issues and could you help please? I sure tried to adjust the options, searched for sound configuration, no way!!!
Is it about those called "Kernel", i dont know anything about it!!
Thank you.

Did you have sounds from your loud speaker on the stock firmware?
Do you get sound if you flash LineageOS (which build are you flashing) and gapps, then reboot? Do not restore data. Which gapps are you flashing?
How are you flashing LineageOS, are you erasing data, system and cache before flashing?

echo92 said:
Did you have sounds from your loud speaker on the stock firmware?
Do you get sound if you flash LineageOS (which build are you flashing) and gapps, then reboot? Do not restore data. Which gapps are you flashing?
How are you flashing LineageOS, are you erasing data, system and cache before flashing?
Click to expand...
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Hello,
i still did not find any direct solution for this dilemma, but i think i found a less elegant way by downloading an sound-output/input App, i dont know the english word exactly.
therefore the system (.... I guess in the Kernel? or in the Stock Android? or something like this... ) has wrong settings. I had to switch output to speaker permantly. Again, for me it is not a permanent solution.
And the problem described is just a symptom, whether it is zdroid or lingeage, does not matter (+ which version i installed), the system ist not absolute stabil! Sometimes it is, and then the apps close by thereself or system is rebooting without any reason!
And beyond that i feel angry by allways carrying about cleaning app-cache because Apps (e.g. Tinder) are slowing my system extremly! I think this is not normal, allthough i understand 2 GB RAM ist not that much - but OK , i am not a gamer or a power user by means i install many apps.
I do have just a douzen apps, you know. So i just need a os which is very stable and very easy (performance first) and an hint from you all regarding the main cause (see above)?
Can you advice me, thanks Sir

Any Custom ROM without "no audio during call" bug in Asus Max Pro M1(3GB Ram variant)

Any Custom ROM without "no audio during call" bug in Asus Max Pro M1(3GB Ram variant)
Story: Installed LineageOS 4 months back, Had a good working mobile with latest build, & then I tried RR & AEX,
Resurrection OS & AEX latest builds had same "no audio during call" problem
Tried to restore but , facing the same problem in LineageOS too, I checked by installing all the available builds on website.
I checked speakers & mic via whatsapp call ,they working fine
Resurrection OS older builds (7.0.0s) don't have this problem but still they have lots of bugs & crash a lot.
I tried "build.prop" method didn't worked because there were no lines to change.
I tried installing "dolby plus oero patch" it wasn't getting installed via TWRP.
So basically this critical bug exists in every rom I'm trying. U know any rom which doesn't has this problem,
& I was thinking if anyone saved a twrp backup of most perfectly running device online for rescuing other devices later,

hi,
please see this thread
https://forum.xda-developers.com/asus-zenfone-max-pro-m1/help/call-sound-oreo-rom-t3848196
flash DoblyPlus with magisk not twrp.
after that you can restore to stock official roms for permanent fix audio without dobly

[Solved] No sound during calls

I've been using LineageOS 15 (Oreo) for about two years. A few days ago, I flashed the stock Oreo ROM and then the stock Pie ROM, to see how the stock Pie ROM looks like. After this, I flashed LOS 16 (Pie) and found that there is no sound during phone calls. When I dial someone, there is no sound of the ring going through, and once the other person picks up, again no sound either way. Call recording during this time gives a file with no sounds. I played a Youtube video and it plays with the audio working; I also used the sound recorder to record my voice, and it recorded the audio, so I doubt this is a hardware issue (unless calling uses different hardware). Everything else works.
After this, I have flashed LOS 15 Oreo again, but it didn't solve the problem. I've tried restoring old working TWRP backups, but the problems remains. Today, I flashed the stock Android 10 ROM, but once it boots, it gets stuck at the Zenfone logo. After this, I flashed the CrDroid Android 10 ROM, but again, no sound during calls.
When flashing the various ROMs, I wiped everything (Dalvik, Cache, System, Vendor, Internal Storage) - everything except the Micro SDCard and USB OTG, so that nothing of the previous ROMs remained, and then flashed the new ROMs from the SDCard. Also, the touchscreen doesn't work when in TWRP, so I have to use an OTG mouse.
While searching on google, I came across a post on the XDA HTC 11 thread about flashing dsp.img, and I asked that person, but he was not able to help with this phone. Here's his post:
[ROM] Unofficial Lineage 16.0 (updated 2021-4-18)
Post 1 - Introduction, download, and changelog Post 2 - How to report bugs Post 3 - How to build LineageOS from my sources Disclaimer /* * Your warranty is now void. * * We are not responsible for bricked devices, dead SD cards, * thermonuclear...
forum.xda-developers.com
I've been stuck for almost a week now. Please help.
Edit:
I was able to solve the problem by following @AVinaSh_S's guide here:
[GUIDE] [UNBRICK] [BACK_TO_STOCK] Flash Stock ROM - Relock Bootloader - Remove TWRP
NOTE : PROCEED AT YOUR OWN RISK. Guide tested successfully to flash Stock WW-15.2016.1810.334 on primary device. Also I will try to help out in case of issues. This GUIDE is useful to achieve following, Unbrick your device Flash Stock Rom...
forum.xda-developers.com
Got a huge weight off my head.

Sound issue after wiping "data" from custom recovery

Hello, I'm having sound quality issue after wiping "data" from my custom recovery (Orange Fox)
So basically i disabled a lot of "system" app so it doesn't run in the background and waste my battery, but I think I might disable something important that make my phone become so laggy and restarted it self to recovery. I read the log and it say “Android Rescue Party trigger! Wipe data and caches and/or clean-flash you ROM!" So I wiped the data and caches and it basically didn't work, after entering the system my phone restarted back to recovery. So I decided to rename the "package-restrictions.xml" to "package-restrictions1.xml" just in case I make things worse. And it's worked, I booted to system. I need to Setup my phone again and lost all my installed app but it's not a big deal since the internal storage data is untouched. I decided to install ViPER4AndroidFX as before and downloaded Fiio music app and take a listen to some track and it's sound odd. The sound it's completely different from the sound before I wiped my "data". Even with the exact same audio settings in viper it's sound way more quiet and less punchy.
I'm thinking to downgrading from the current MiUi 12.5.1 to MiUi 12 so I can adjust the sound from Mi Sound Enhancer since they removed it from MiUi 12.5.1 due to performance issue.
But im worried to brick my phone If I tried to downgrade the MiUi since I don't have a pc to check my device rollback index.
Can anyone give me a suggestion to fix these sound issue? Or maybe you could tell me is it safe to downgrade my device to MiUi 12.
Thank you.
Heres my device info.

Look YouTube "Redmi Note 7 rollback". No problem
SupXposed said:
Hello, I'm having sound quality issue after wiping "data" from my custom recovery (Orange Fox)
So basically i disabled a lot of "system" app so it doesn't run in the background and waste my battery, but I think I might disable something important that make my phone become so laggy and restarted it self to recovery. I read the log and it say “Android Rescue Party trigger! Wipe data and caches and/or clean-flash you ROM!" So I wiped the data and caches and it basically didn't work, after entering the system my phone restarted back to recovery. So I decided to rename the "package-restrictions.xml" to "package-restrictions1.xml" just in case I make things worse. And it's worked, I booted to system. I need to Setup my phone again and lost all my installed app but it's not a big deal since the internal storage data is untouched. I decided to install ViPER4AndroidFX as before and downloaded Fiio music app and take a listen to some track and it's sound odd. The sound it's completely different from the sound before I wiped my "data". Even with the exact same audio settings in viper it's sound way more quiet and less punchy.
I'm thinking to downgrading from the current MiUi 12.5.1 to MiUi 12 so I can adjust the sound from Mi Sound Enhancer since they removed it from MiUi 12.5.1 due to performance issue.
But im worried to brick my phone If I tried to downgrade the MiUi since I don't have a pc to check my device rollback index.
Can anyone give me a suggestion to fix these sound issue? Or maybe you could tell me is it safe to downgrade my device to MiUi 12.
Thank you.
Heres my device info.
Click to expand...
Click to collapse