Microphone not working in call/recording - Xiaomi Redmi 4 Prime Questions & Answers

Hello,
I am currently with the rom crDroid 3.8.6 from 4pda.ru
As soon as I put a custom rom (any 6.0, 7.1, 8.1, treble, no treble) my Microphone not working in call/recording (even with the speaker) but it works perfectly with an official Global miui ROM from miui website.
I tried everything: put an original Global miui ROM where it's works, unlock the phone, install twrp recovery, clean install any custom rom : Microphone still not working.
I have find the problem who probably come from the firmware :
Here https://translate.google.fr/translate?hl=fr&sl=auto&tl=en&u=https%3A%2F%2F4pda.ru%2Fforum%2Findex.php%3Fshowtopic%3D794653%26st%3D8320%23entry68320897
"It is desirable to use a 48 modem and more, firmware not inferior to version 49 - proof of the need to update the firmware will be the absence of sound during the conversation / call !!"
Click to expand...
Click to collapse
unfortunately the link for firmware 49 is dead (markw_firmware_49.zip) and I can not find it anywhere else.
And what I do not understand is when I clean install a new rom (any 6.0, 7.1, 8.1, treble, no treble), the firmware should not be changed with new one ?
an idea ? thank you in advance

I have the same problem. However it doesnt seem to be software related for me. I found some modems on the russian site 4pda.
cloud.mail. ru/public/Kn98/nHgzW1fqR/

Related

MIUI not upgrading to lollipop

I was running Mokee based on MM on the Kitkat bootloader. I wanted to revert to Miui so i flashed the lollipop MIUI Rom via the bootloader. It flashed without any errors and when I opened my phone, i went to settings just to check the lollipop easter egg. When I opened about phone, instead of lollipop, it showed that it was on Kitkat. I, at first, thought that maybe I flashed the wrong ROM and I checked every forum in the books and every forum proved that the ROM version I had was based on Lollipop. I used the Kitkat ROM that I had flashed and I got the MIUI 8 OTA upgrade. I downloaded it in the hopes that maybe that might upgrade it to Lollipop. However, it didnt. I then flashed the Kitkat MIUI ROM and did an OTA update to MIUI 8 and it is still on Kitkat. I gave up and I flashed AICP based on Nougat. Now the thing is, VoLTE works on AICP and VoLTE is not a feature of the KITKAT MIUI ROM. In fact, I checked whether VoLTE was there on MIUI 8 that I had and I couldn't find the VoLTE option. I took a nandroid backup via TWRP of the MIUI 8 ROM and a lot of features weren't there that should be there in the ROM.
Just to be clear, my bootloader is not locked.
My question is, how do i get the lollipop MIUI ROM ? Where am i going wrong?
Simple.....go to xiaomi.eu site.Download miui 8 ROM for your device .Flash it by the t.w.r.p provided at that site only and don't wipe system before flashing.
You must have to flash miui ROM by fastboot....that is not true.
raymond_bqg said:
Simple.....go to xiaomi.eu site.Download miui 8 ROM for your device .Flash it by the t.w.r.p provided at that site only and don't wipe system before flashing.
You must have to flash miui ROM by fastboot....that is not true.
Click to expand...
Click to collapse
does that mean i have to reflash twrp and then flash the miui ROM?
Also, are these ROM's official ROMs? As in, do they come with OTA updates and are they the same(feature wise) as the MIUI ROM available on the official MI forums?
One more thing, does this version of twrp support other roms as well? As in, if I want to flash a custom ROM in the future, will it support those ROMs?
anshikohri said:
does that mean i have to reflash twrp and then flash the miui ROM?
Also, are these ROM's official ROMs? As in, do they come with OTA updates and are they the same(feature wise) as the MIUI ROM available on the official MI forums?
One more thing, does this version of twrp support other roms as well? As in, if I want to flash a custom ROM in the future, will it support those ROMs?
Click to expand...
Click to collapse
1)Yes u have to reflash t.w.r.p ( found in xiaomi.eu site) for miui ROM .
2)Those are not official. But OTA is there(weekly and monthly)Go to the site and read about more OTA facts.
3)You can flash other miui ROM(from miui official site) and other custom ROM by that tw.r.p.But in the case of custom ROM(like lineage) u may face isuues.So flashing custom ROM by t.w.r.p(found in XDA by kumajay sir) is best.
But reflashing Different t.w.r.p is not so irritating bcz there is option of flashing image file in both t.w.r.p.
raymond_bqg said:
1)Yes u have to reflash t.w.r.p ( found in xiaomi.eu site) for miui ROM .
2)Those are not official. But OTA is there(weekly and monthly)Go to the site and read about more OTA facts.
3)You can flash other miui ROM(from miui official site) and other custom ROM by that tw.r.p.But in the case of custom ROM(like lineage) u may face isuues.So flashing custom ROM by t.w.r.p(found in XDA by kumajay sir) is best.
But reflashing Different t.w.r.p is not so irritating bcz there is option of flashing image file in both t.w.r.p.
Click to expand...
Click to collapse
In your third point, you mentioned that I can flash the official MIUI from the official MIUI forums. So, if I just download the recovery MIUI 8 ROM from the official forums of MI, it'll work?
My question is, if I need to flash a fastboot ROM after doing the above steps, will I face the same issue of me getting a Kitkat based ROM instead of a Lollipop based ROM? Also and this is something that I have always wanted to try but because of fear of my device getting bricked and I never tried, what happens if I flash the official MIUI recovery ROM from kumaya sir's twrp build? Will that do the trick? If it is, how do I do it?
anshikohri said:
In your third point, you mentioned that I can flash the official MIUI from the official MIUI forums. So, if I just download the recovery MIUI 8 ROM from the official forums of MI, it'll work?
My question is, if I need to flash a fastboot ROM after doing the above steps, will I face the same issue of me getting a Kitkat based ROM instead of a Lollipop based ROM? Also and this is something that I have always wanted to try but because of fear of my device getting bricked and I never tried, what happens if I flash the official MIUI recovery ROM from kumaya sir's twrp build? Will that do the trick? If it is, how do I do it?
Click to expand...
Click to collapse
Oops.... I have misinformed u a little accidentally.
What is your need ?
To be on lolypop firmware? Or trying miui ROM.
There are two types of miui ROM(I am only talking about recovery flash able) on miui official site. Global and developers.
U can't flash any global ROM by any custom recovery (like t.w.r.p) for sign. Issue.You have to flash it by stock recovery.
U can flash developers ROM by t.w.r.p(me) found on xiaomi.EU site or miui site.
Just take back up of your current ROM before doing anything.ANd u will be fine.
But I suggest you to try miui ROM by xiaomi.eu .Bc they're far better than official miui .
And also if u flash official miui rom and then u want flash custom ROM again .Then u have to root it and flash t.w.r.p again as it is not rooted and it come with stock recovery.
But miui ROM by xiaomi.eu is prerooted and come with t.w.r.p.
Is your Redmi 2 the 1GB version? If yes, stick in KK or upgrade to custom ROMs. I tried to use a LP MIUI and it wasn't a good experience. The low RAM + MIUI + Lollipop really brings performance lags. I was on Xiaomu.eu's MIUI 8.1 + Premaca Kernel MK for KitKat and now I'm at RR 5.8 + Premaca's Cosmos kernel. Both are good to RAM.
raymond_bqg said:
Oops.... I have misinformed u a little accidentally.
What is your need ?
To be on lolypop firmware? Or trying miui ROM.
There are two types of miui ROM(I am only talking about recovery flash able) on miui official site. Global and developers.
U can't flash any global ROM by any custom recovery (like t.w.r.p) for sign. Issue.You have to flash it by stock recovery.
U can flash developers ROM by t.w.r.p(me) found on xiaomi.EU site or miui site.
Just take back up of your current ROM before doing anything.ANd u will be fine.
But I suggest you to try miui ROM by xiaomi.eu .Bc they're far better than official miui .
And also if u flash official miui rom and then u want flash custom ROM again .Then u have to root it and flash t.w.r.p again as it is not rooted and it come with stock recovery.
But miui ROM by xiaomi.eu is prerooted and come with t.w.r.p.
Click to expand...
Click to collapse
since you mentioned that the roms at xiaomi.eu are better, in what respects are they better? What are the major differences?
To answer your earlier question, I want the lollipop firmware, I flashed the MIUI 8 official ROM based on lollipop, but I got Kitkat instead of Lollipop. I flashed MIUI 7 based on Kitkat and MIUI 7.5 based on Lollipop, updated them via OTA to MIUI 8 and still,it was on Kitkat. I just want MIUI to be on lollipop so that i can flash other mods which I can't on a Kitkat based ROM. My bootloader came unlocked and it was unlocked when I did all this(i checked it just to be sure).
Dan_Jacques said:
Is your Redmi 2 the 1GB version? If yes, stick in KK or upgrade to custom ROMs. I tried to use a LP MIUI and it wasn't a good experience. The low RAM + MIUI + Lollipop really brings performance lags. I was on Xiaomu.eu's MIUI 8.1 + Premaca Kernel MK for KitKat and now I'm at RR 5.8 + Premaca's Cosmos kernel. Both are good to RAM.
Click to expand...
Click to collapse
I have a Redmi 2 Prime(2GB + 16 GB). I flashed RR based on Nougat but I faced a lot of random reboots and since sound is a top priority for me, the sound output was bad, both via the headphone jack and the speaker. How is Premaca's Cosmos Kernel with RR? Can you give me an in-depth review on the following areas:- sound, performance, battery(with/without heavy usage) and any unique features that you find great(I'm aware of the customization options that come with RR,so in that area, i don't doubt it)?
anshikohri said:
since you mentioned that the roms at xiaomi.eu are better, in what respects are they better? What are the major differences?
To answer your earlier question, I want the lollipop firmware, I flashed the MIUI 8 official ROM based on lollipop, but I got Kitkat instead of Lollipop. I flashed MIUI 7 based on Kitkat and MIUI 7.5 based on Lollipop, updated them via OTA to MIUI 8 and still,it was on Kitkat. I just want MIUI to be on lollipop so that i can flash other mods which I can't on a Kitkat based ROM. My bootloader came unlocked and it was unlocked when I did all this(i checked it just to be sure).
Click to expand...
Click to collapse
Better for me ....As...No Chinese apps,Rooted,5-5.15 hrs sot on LTE.More free RAM(though doesn't matter).But RAM management is good and not sluggish on heavy usage.And of course Volte.
Look....if u want just to be on lolypop firmware....just flash it .You will not regreat. ...I am sure.
There are other options also to be on lolypop firmware:-
U can flash lolypop firmware from lineage OS.(try it first).
U can flash also miui Hellas by gkalen.
raymond_bqg said:
Better for me ....As...No Chinese apps,Rooted,5-5.15 hrs sot on LTE.More free RAM(though doesn't matter).But RAM management is good and not sluggish on heavy usage.And of course Volte.
Look....if u want just to be on lolypop firmware....just flash it .You will not regreat. ...I am sure.
There are other options also to be on lolypop firmware:-
U can flash lolypop firmware from lineage OS.(try it first).
U can flash also miui Hellas by gkalen.
Click to expand...
Click to collapse
I'll give it a shot. Thanks for answering my questions.
anshikohri said:
I have a Redmi 2 Prime(2GB + 16 GB). I flashed RR based on Nougat but I faced a lot of random reboots and since sound is a top priority for me, the sound output was bad, both via the headphone jack and the speaker. How is Premaca's Cosmos Kernel with RR? Can you give me an in-depth review on the following areas:- sound, performance, battery(with/without heavy usage) and any unique features that you find great(I'm aware of the customization options that come with RR,so in that area, i don't doubt it)?
Click to expand...
Click to collapse
Sound: Great (louder than stock)
Performance: Very good
Beauty: OMG!
Stabilty: a issue here: The phone reboot or power off at night (I don't know exactly happens, I just see the phone off, with charging screen. So, I can't use it as alarm clock). I will try RR with only stock kernel (not cosmos) to see if it persists.
I like the ROM. It's surprisingly light. I'm using 2 Whatsapp (through Parallel Space), Facebook Lite, Spotify and I doesnt have the "kill spotify" issue. When I was at MIUI, opened Spotify, opened Swipe/Whatsapp, the Spotify simply was wiped from memory. Yes, I couldn't listen a music and take a look in facebook. In the RR 5.8 I can do this without issues.
Dan_Jacques said:
Sound: Great (louder than stock)
Performance: Very good
Beauty: OMG!
Stabilty: a issue here: The phone reboot or power off at night (I don't know exactly happens, I just see the phone off, with charging screen. So, I can't use it as alarm clock). I will try RR with only stock kernel (not cosmos) to see if it persists.
I like the ROM. It's surprisingly light. I'm using 2 Whatsapp (through Parallel Space), Facebook Lite, Spotify and I doesnt have the "kill spotify" issue. When I was at MIUI, opened Spotify, opened Swipe/Whatsapp, the Spotify simply was wiped from memory. Yes, I couldn't listen a music and take a look in facebook. In the RR 5.8 I can do this without issues.
Click to expand...
Click to collapse
Thanks a lot!

7.1.1 aosp stable version 8 - Camera and flash don't works

I've just installed the new stable versione 8 of android 7.1.1 20170213 aosp nogart. Everithing is ok except the camera and the flash, they don't work.
Is there enybody should help me to understand way?
I have flashed the zip file dowloaded from this site directly by the ricovery and It was OK.

KTLEDUOS SM-G900FD Lineageos 14.1 Builds 080217 - 080917

Hi there,
just to give a feedback. DUALSIM is not working on both builds. LTE function fails. Made complete new flash, nothing helps...
Same applies to crDroid - build 20170802 - 7.1.2
I would kindly ask for help around here
Thanks,
Light of Magic
after one day....
Hi,
I don´t know why dualsim function stopped working... I tried 2 builds each - Lineageos, Ressurection OS, crDroid ... going back to stock ROM, everthing works fine. I even searched through the net to get a suitable pit file.
Only thing - I wanted to update like https://forum.xda-developers.com/galaxy-s5/development/rom-lineage-os-samsung-galaxy-s5-lte-t3534283
And I could not find TWRP 3.0.0 as recommended, so I use 3.1.0 - I could not install SkiesROM, since it was maybe to large....
For any help I would be greatful,
Light of Magic
LightofMagic said:
Hi,
I don´t know why dualsim function stopped working... I tried 2 builds each - Lineageos, Ressurection OS, crDroid ... going back to stock ROM, everthing works fine. I even searched through the net to get a suitable pit file.
Only thing - I wanted to update like https://forum.xda-developers.com/galaxy-s5/development/rom-lineage-os-samsung-galaxy-s5-lte-t3534283
And I could not find TWRP 3.0.0 as recommended, so I use 3.1.0 - I could not install SkiesROM, since it was maybe to large....
For any help I would be greatful,
Light of Magic
Click to expand...
Click to collapse
Here u get TWRP 3.0.0.0 for klte as recommended. Extract the zip before use. Use the .tar for Odin flash or the .img for flash through recovery. Tip: download twrp-app from Playstore. You'll find all downloadable content there.
I've read that going back from LOS / AOSP to SkiesROM is not possible without flashing a Stock Rom first. Make sure u have flashed the fitting bootloaders via Odin before u flash the Stock ROM. Suitable are the ROMS from ALEXNDR. They're prerooted and a good base to go further.
Good luck
still
I wounder, does anyone have the same issue? Using the builds in May I did not have this issue.
Thanks to ottili81 for TWRP 3.0.0.0 !!!
Greetings,
Light of Magic

ROM 7.1 does not start

Hello. I have a problem, I wanted to upload rom in version 7.1.2 but unfortunately it did not work, when I first started I was constantly loading and charging. So I installed an unofficial 8.X. rom. and this works (the phone is booting) but it does not work in camera, operator services and more. I do not know what's going on, why do not I get ANY rom in version 7.1.2 and lower? I also uploaded clean rom 7.0 via fastboot but at the first start it stops at "bootloader is unlocked" and nothing happens. I have the latest TWRP installed, I am asking for help for 2 days without a phone call, I am depressed. sorry for my English
emiloski94 said:
Hello. I have a problem, I wanted to upload rom in version 7.1.2 but unfortunately it did not work, when I first started I was constantly loading and charging. So I installed an unofficial 8.X. rom. and this works (the phone is booting) but it does not work in camera, operator services and more. I do not know what's going on, why do not I get ANY rom in version 7.1.2 and lower? I also uploaded clean rom 7.0 via fastboot but at the first start it stops at "bootloader is unlocked" and nothing happens. I have the latest TWRP installed, I am asking for help for 2 days without a phone call, I am depressed. sorry for my English
Click to expand...
Click to collapse
Okay if your operator services aren't working on the unofficial 8.0 Rom then you might have the wrong phone model or your modem is mismatched. Because I know the one you're talking about it's the GZOSP 8.0 rom I installed that one and my cell service worked but the rom was very buggy. If you're using a XT1575 US variant of the Moto X Pure then it's likely your modem if you came from Marshmallow or didn't OTA Nougat to the latest version. See the stock Nougat firmwares you can flash over fastboot have a different modem than the latest Nougat OTA this will cause a dead modem and bootloop on custom roms like NucleaROM or Lineage Unoffical 16.0. Some roms on XDA are for Marshmallow only and your phone won't boot them if you're on a Nougat modem and vice versa. Here's what I recommend flash stock Nougat over fastboot then OTA your phone to the latest version of Nougat it should be on a October 1st, 2017 security patch once you get on that flash the latest TWRP then flash Unofficial Lineage OS 14.1 from hashbang173.
Customs Roms and TWRP for Nougat Modem
https://forum.xda-developers.com/moto-x-style/general/custom-roms-nougat-modem-t3733105
Threads with stock firmware:
[XT1575] https://forum.xda-developers.com/moto-x-style/general/moto-x-pure-xt1575-flash-nougat-t3922367

Note 7 Lavender no wifi/bluetooth/gsmRadio working after upgrade to MIUI 12.5.3

need help note 7 global updated to miui 12.5.3 after auto update and now wifi camera gsm not working for any rom downgraded from 12.5.3. none of these are working for even custom rom and official roms, only with official global miui 12.5.3 does the wifi camera and gsm work again. please need desperate help have looked for solution everywhere but couldnt find help even after flashing oldcam new cam kernels and separately installing foirmware files for the drivers.
nothing is working flashing via miFlash tool or twrp or anything for that matter flashing official rom via the official way absolutely nothing. please need help must downgrade back to anything but MIUI 12 it is a nightmare using such a horribly made rom
Test to flash vendor image https://xiaomifirmwareupdater.com/vendor/lavender/
Or miui.eu and then your customer rom
joke19 said:
Test to flash vendor image https://xiaomifirmwareupdater.com/vendor/lavender/
Or miui.eu and then your customer rom
Click to expand...
Click to collapse
before i do im not quite sure what vendor images are. my note 7 is the global version, which image should i be flashing? thanks
flashed vendor imgae of the version i want installed still the same situation, gsm wifi camera only working on layest miui 12.5.3 only, need help
even tried xiaomi.eu roms nothing works no way to downgrade and get camera wifi or anything signal based working!

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