Redmi 7A no sound in Lineage OS 17 - Redmi 7A Questions & Answers

I have a lot of problems with this device.
After installing Lineage OS 17, everything works, except the wifi. Then i installed the 17.1 version.
The wifi was fixed, but then, i lose every sound. the phone is literally muted.
Can you help me?

RazorNitro74717 said:
I have a lot of problems with this device.
After installing Lineage OS 17, everything works, except the wifi. Then i installed the 17.1 version.
The wifi was fixed, but then, i lose every sound. the phone is literally muted.
Can you help me?
Click to expand...
Click to collapse
when you installed it did you have the firmware of miui 10.2.5? The same thing happened to me with all the roms until I discovered that was why, install that version with xiaomi flash tool, then flash the recovery and install it

neo.alarrode said:
when you installed it did you have the firmware of miui 10.2.5? The same thing happened to me with all the roms until I discovered that was why, install that version with xiaomi flash tool, then flash the recovery and install it
Click to expand...
Click to collapse
try dirty flashing the rom, or go ahead and go back to stock rom and re flash LOS.

mightLy said:
try dirty flashing the rom, or go ahead and go back to stock rom and re flash LOS.
Click to expand...
Click to collapse
he needs firmware version 10.2.5, so he has to do it by flashing the original phone fimware from the computer

RazorNitro74717 said:
I have a lot of problems with this device.
After installing Lineage OS 17, everything works, except the wifi. Then i installed the 17.1 version.
The wifi was fixed, but then, i lose every sound. the phone is literally muted.
Can you help me?
Click to expand...
Click to collapse
I have also that problem. No sound even when i back to previously build MIUI 10 and flash Lineage.
Also on MK rom (23.03.2020).

Related

VOLTE bricked via miui 9 by nurujjaman

Hey guys plzz help Volte had been not working now to every single user of this rom and doesn't working in any rom and some flashed miui official by lfastboo still voLTE not working plzz developers help us we tried everything.If u wanna take a look at miui 9 by nurujjaman pollab
update de firmware and flash miuipro, that works for me.
My phone contacts are merging with other contacts
Hi Guys,
I'm using 3S prime.
My phone contacts are merging with other contacts. I tried to delete some, but I lost some contacts. Please help me on this........
mannequiin said:
update de firmware and flash miuipro, that works for me.
Click to expand...
Click to collapse
Wait what if I flash miui 9 via fastboot it will work right?
Sunny Za said:
Wait what if I flash miui 9 via fastboot it will work right?
Click to expand...
Click to collapse
Exactly flashing Fastboot image solve mostly
Abhijeet Rajgor said:
Exactly flashing Fastboot image solve mostly
Click to expand...
Click to collapse
It it solved my voLTE works now
Having a serious problem.....I'm running pixel experience ROM now but I have a tried nitrogen OS, ressurection remix ROM, Lineage OS 15.1, Viper OS (nougat), Lineage OS 14.1 and many other ROMs. Volte was working fine few days ago but for the past 3-4 days it was not working. I thought it was a problem with the ROM so I changed the ROM but still got the issue. And today I came to know that my device is showing IMS registration: unavailable
Voice-over LTE: not available and some other things
I tried messing with APNs and flashed some volte patches but still got no luck. Then I tried searching on XDA forum and know what I tried every possible method in almost all the threads and still not able to get volte. Tried searching YouTube for IMS registration and tried googling it also but still the problem is there.
Help me out plzzzz....
Allison 1123 said:
Having a serious problem.....I'm running pixel experience ROM now but I have a tried nitrogen OS, ressurection remix ROM, Lineage OS 15.1, Viper OS (nougat), Lineage OS 14.1 and many other ROMs. Volte was working fine few days ago but for the past 3-4 days it was not working. I thought it was a problem with the ROM so I changed the ROM but still got the issue. And today I came to know that my device is showing IMS registration: unavailable
Voice-over LTE: not available and some other things
I tried messing with APNs and flashed some volte patches but still got no luck. Then I tried searching on XDA forum and know what I tried every possible method in almost all the threads and still not able to get volte. Tried searching YouTube for IMS registration and tried googling it also but still the problem is there.
Help me out plzzzz....
Click to expand...
Click to collapse
Faced same problem just flash fastboot rom it will work for sure.
Allison 1123 said:
Having a serious problem.....I'm running pixel experience ROM now but I have a tried nitrogen OS, ressurection remix ROM, Lineage OS 15.1, Viper OS (nougat), Lineage OS 14.1 and many other ROMs. Volte was working fine few days ago but for the past 3-4 days it was not working. I thought it was a problem with the ROM so I changed the ROM but still got the issue. And today I came to know that my device is showing IMS registration: unavailable
Voice-over LTE: not available and some other things
I tried messing with APNs and flashed some volte patches but still got no luck. Then I tried searching on XDA forum and know what I tried every possible method in almost all the threads and still not able to get volte. Tried searching YouTube for IMS registration and tried googling it also but still the problem is there.
Help me out plzzzz....
Click to expand...
Click to collapse
Wait first delete all apns present now create new APN name:ims,APN:ims,APN type:ims that's it save it (it won't show in APN) now create your old APN settings (don't restore to deafult create the old again that's important) save and that's it if it's not rom problem it will bring ur voLTE back
Try restoring EFS in twrp back up
Allison 1123 said:
Having a serious problem.....I'm running pixel experience ROM now but I have a tried nitrogen OS, ressurection remix ROM, Lineage OS 15.1, Viper OS (nougat), Lineage OS 14.1 and many other ROMs. Volte was working fine few days ago but for the past 3-4 days it was not working. I thought it was a problem with the ROM so I changed the ROM but still got the issue. And today I came to know that my device is showing IMS registration: unavailable
Voice-over LTE: not available and some other things
I tried messing with APNs and flashed some volte patches but still got no luck. Then I tried searching on XDA forum and know what I tried every possible method in almost all the threads and still not able to get volte. Tried searching YouTube for IMS registration and tried googling it also but still the problem is there.
Help me out plzzzz....
Click to expand...
Click to collapse
Maybe you need to write IMEI number again?
Does it show there when pressing *#06#* ?
U may try going back to MIUI 9
And then back to your favorite ROM
I did every single step mentioned above. Even my IMEI number is all good. But VOLTE problem reamins the same.
During the first boot...VOLTE was there, and it was working. Even when I Rebooted, it was again there and still working. But when I Power Off the device and then powered it on, VOLTE was gone and I was unable to call.
Rajshe25 said:
I did every single step mentioned above. Even my IMEI number is all good. But VOLTE problem reamins the same.
During the first boot...VOLTE was there, and it was working. Even when I Rebooted, it was again there and still working. But when I Power Off the device and then powered it on, VOLTE was gone and I was unable to call.
Click to expand...
Click to collapse
Yeah u have to flash fastboot it solved mine
Sunny Za said:
Yeah u have to flash fastboot it solved mine
Click to expand...
Click to collapse
I did that too and thrice bt the problem remained unsolved. As I mentioned, it worked during the initial boot of any custom rom, even after rebooting it. Bt when I powered it off and then booted it up, VOLTE was gone.
Rajshe25 said:
I did that too and thrice bt the problem remained unsolved. As I mentioned, it worked during the initial boot of any custom rom, even after rebooting it. Bt when I powered it off and then booted it up, VOLTE was gone.
Click to expand...
Click to collapse
Yeah happens with me to but now m using Xiaomi.eu miui 9 ROM bro use it for some days and flash another ROM voLTE will work fine as it creates a strong bond between firmware and ROM that miui 9 official doesn't and it has more features than it miui 9. So give it a try
Sunny Za said:
Yeah happens with me to but now m using Xiaomi.eu miui 9 ROM bro use it for some days and flash another ROM voLTE will work fine as it creates a strong bond between firmware and ROM that miui 9 official doesn't and it has more features than it miui 9. So give it a try
Click to expand...
Click to collapse
Could u plz provide the link
---------- Post added at 03:31 PM ---------- Previous post was at 03:30 PM ----------
Rajshe25 said:
Could u plz provide the link
Click to expand...
Click to collapse
Will Jio work?
Use this trick:-
Flash any miui rom v8 or v9 & boot into system..
Now go to recovery wipe all except storage.
Now flash any custom rom i suggest lineage 14.1 & boot into system..
Now again go to recovery go to wipe , advance wipe & wipe only system
Now flash any MIUI rom then wipe cache & dalvik
Now reboot...
Volla your volte now works...
I tried 2 times & all time it works....
If it works for u hit thanks..

Wi-Fi does not work on LineageOS 16.0 (Pie 9)

Hi guys,
Everything was working great with LineageOS 15.1 (Android 8.1), but they have discontinued the support for this version and switched to 16.0, and a FOTA update of Lineage from 15 to 16 isn't possible, so I had to download the zip manually, and flashed it using TWRP, around the end of April. Since then the Wi-Fi does not work.
I should explain what this "does not work" mean: I turn it on (either from the pull-down curtain, or from the Settings -> Network -> Wi-Fi menu), it pretends to switch on for 1-2 seconds, and then the switch turns off by itself, so it doesn't even have time to scan the available networks.
I have tried to burn a newer image again, around the beginning of May, but it didn't fix the Wi-Fi problem. I was googling a lot, but seems like nobody reports such a problem.
Any ideas how to fix it, other than going back to Android 8.1? Preferably I'd like to stay with LOS, but if I have no choice, I can consider moving to RR, or AOSP Extended or whatever.
Thanks!
I think its a boot.img problem. I have seen this error in stock too. The wifi/bluetooth used to turn off immediately after i turned them on and the error was because i flashed the wrong boot.img . If i were you i would clean flash the rom again
What do you mean by "wrong boot.img"? I don't flash any boot.img separately, I just flash the whole LineageOS rom (and then Gapps) from TWRP. Should I flash anything else? I don't think so...
Well, in my case at least the Bluetooth works properly (with both headphones and smart watch).
SOLVED!
Surprisingly, the problem seems to be solved now.
After flashing lineage-16.0-20190426 and later lineage-16.0-20190530 versions, where the Wi-Fi didn't work - today I have flashed lineage-16.0-20190704, and guess what? It is back now!
Thought it should be important to update the thread here.
xdauseril said:
Surprisingly, the problem seems to be solved now.
After flashing lineage-16.0-20190426 and later lineage-16.0-20190530 versions, where the Wi-Fi didn't work - today I have flashed lineage-16.0-20190704, and guess what? It is back now!
Thought it should be important to update the thread here.
Click to expand...
Click to collapse
It would be safer to update to stock pie first then flash custom pie roms..
Jt380p said:
It would be safer to update to stock pie first then flash custom pie roms..
Click to expand...
Click to collapse
You mean, even if I upgrade from Lineage 15.1 to 16 I need to flash the stock rom first? Why?
BTW I saw some reports on Wi-Fi problem while going back from custom to stock rom too, and there was some patch suggested to fix it.
xdauseril said:
You mean, even if I upgrade from Lineage 15.1 to 16 I need to flash the stock rom first? Why?
BTW I saw some reports on Wi-Fi problem while going back from custom to stock rom too, and there was some patch suggested to fix it.
Click to expand...
Click to collapse
Because its a prerequisite on Lineage 16, it depends on parts of stock Pie rom being installed.
The LO16 thread also listed a migration step if you didn't flash the stock Pie rom beforehand.
barrack1 said:
Because its a prerequisite on Lineage 16, it depends on parts of stock Pie rom being installed.
The LO16 thread also listed a migration step if you didn't flash the stock Pie rom beforehand.
Click to expand...
Click to collapse
Probably I have missed it.
Still can't find it neither on "install" nor "update" page:
https://wiki.lineageos.org/devices/tissot/install
https://wiki.lineageos.org/devices/tissot/update
xdauseril said:
Probably I have missed it.
Still can't find it neither on "install" nor "update" page:
https://wiki.lineageos.org/devices/tissot/install
https://wiki.lineageos.org/devices/tissot/update
Click to expand...
Click to collapse
Its on the xda thread, not on the lineageos website.
Xiaomi made some changes during the upgrade from Oreo->Pie and introduced ARB. Now you cannot downgrade back to Oreo easily. Just flashing back to Oreo(stock or custom rom) will cause the phone to bootloop. For the same reason your phone probably faced issues when you flashed (Pie) LO16 without the Pie firmware.
barrack1 said:
Its on the xda thread, not on the lineageos website.
Xiaomi made some changes during the upgrade from Oreo->Pie and introduced ARB. Now you cannot downgrade back to Oreo easily. Just flashing back to Oreo(stock or custom rom) will cause the phone to bootloop. For the same reason your phone probably faced issues when you flashed (Pie) LO16 without the Pie firmware.
Click to expand...
Click to collapse
Well, I did not try to downgrade from Pie to Oreo. All I tried to do was an upgrade from LOS 15.1 to LOS 16 (15.1 worked excellent). And I had no idea I needed to flash the stock rom in between, so I just flashed 16 over 15.1, without wiping the data partition (only wiped dalvik cache).
Can you please point me to the XDA thread you mention, where it says I had to flash the stock rom first?
Anyway, since everything works OK now (or, at least, I don't find any malfunctioning, probably except for the native camera app, so I use an external app), I don't think I should play around with it again, right?
xdauseril said:
Well, I did not try to downgrade from Pie to Oreo. All I tried to do was an upgrade from LOS 15.1 to LOS 16 (15.1 worked excellent). And I had no idea I needed to flash the stock rom in between, so I just flashed 16 over 15.1, without wiping the data partition (only wiped dalvik cache).
Can you please point me to the XDA thread you mention, where it says I had to flash the stock rom first?
Anyway, since everything works OK now (or, at least, I don't find any malfunctioning, probably except for the native camera app, so I use an external app), I don't think I should play around with it again, right?
Click to expand...
Click to collapse
Some parts of the firmware might not be overwritten by LOS/stock depending on the version. The original LO16 used Oreo firmware iirc. The thread is not hard to find, just look for it.

I need help about a serious problem causing with custom roms

Recently i'm facing no sound in call from other side in every rom expect arrow os, tried with flashin nxp still no solution.
Always did clean flash and have latest firmware. Never tried sound mods.
Can't hear anything neither anyone from another side
tried flashing nxp didn't worked.
Now i'm stucked in arrowos and can't even update rom. Any solution?
Flash dolby plus,it should fixed
DinIslamJoy said:
Recently i'm facing no sound in call from other side in every rom expect arrow os, tried with flashin nxp still no solution.
Always did clean flash and have latest firmware. Never tried sound mods.
Can't hear anything neither anyone from another side
tried flashing nxp didn't worked.
Now i'm stucked in arrowos and can't even update rom. Any solution?
Click to expand...
Click to collapse
Just download and flash permissive zip in magisk manager
jesh1 said:
Just download and flash permissive zip in magisk manager
Click to expand...
Click to collapse
not working. disabled, switched did all things possible, now using another rom which have premissive selinux by defaulf
Have you solved the problem? I also have the same problem
I unlocked the bootloader 2 weeks back. I have tried havoc os 2.9 3.3 rr pie lineage 17.1 miui by rinku, op5 port etc. I took backup all most every rom. I think I also made a couple of calls(call was working on havoc 2.9 previously). Yesterday while I was on havoc 2.9, I received a call. I attended the call. I was not able to hear any thing from the other side. The other side was unable to hear anything. Same with speaker also. Then reinstall (fresh install, restoring backup fresh install with gapps also) havoc 2.9, 3.3, rr pie, lineage 17.1. but same result. But no problem with miui. And no problem with superior OS Q. I have searched xda and found certain foxes for gsi's and dolby patch for oreo. But my problem is not with gsi or oreo rom. Does anybody have the same problem. Any solutions?

No audio during calls

I unlocked the bootloader 2 weeks back. I have tried havoc os 2.9 3.3 rr pie lineage 17.1 miui by rinku, op5 port etc. I took the backup of all most every rom. I think I also made a couple of calls(call was working on havoc 2.9 previously). Yesterday while I was on havoc 2.9, I received a call. I attended the call. I was not able to hear any thing from the other side. The other side was unable to hear anything. Same with speaker also. Then reinstalled (fresh install, restoring backup fresh install without gapps also) havoc 2.9, 3.3, rr pie, lineage 17.1. but same result. But no problem with miui. And no problem with superior OS Q. I have searched xda and found certain foxes for gsi's and dolby patch for oreo. But my problem is not with gsi or oreo rom. Also tried making SElinux permissive. But no luck. I think the problem might have happened when I switched back to a pie rom from a Q rom. Does anybody have the same problem. Any solutions?
reddevils4017 said:
I unlocked the bootloader 2 weeks back. I have tried havoc os 2.9 3.3 rr pie lineage 17.1 miui by rinku, op5 port etc. I took the backup of all most every rom. I think I also made a couple of calls(call was working on havoc 2.9 previously). Yesterday while I was on havoc 2.9, I received a call. I attended the call. I was not able to hear any thing from the other side. The other side was unable to hear anything. Same with speaker also. Then reinstalled (fresh install, restoring backup fresh install without gapps also) havoc 2.9, 3.3, rr pie, lineage 17.1. but same result. But no problem with miui. And no problem with superior OS Q. I have searched xda and found certain foxes for gsi's and dolby patch for oreo. But my problem is not with gsi or oreo rom. Also tried making SElinux permissive. But no luck. I think the problem might have happened when I switched back to a pie rom from a Q rom. Does anybody have the same problem. Any solutions?
Click to expand...
Click to collapse
Is imei gone? If not gone try flash an AFT rom. If still not work you must backup persist, modem, qcn file and flash QFIL, restore qcn, persist, then up to 340. I helped a guy recovered his phone in that situation with this method.
Sent from my ZenFone Max Pro M1 using Tapatalk
RedGreenBlue123 said:
Is imei gone? If not g....
Thanks 4 the reply. 1. Imei number is still there. I can make call with miui and with the initial build of superior os rom. Not the with the latest build. Do you know why this happened.
2.Anyway the guide 4 flashing aft rom this right https://forum.xda-developers.com/asus-zenfone-max-pro-m1/how-to/how-to-asus-flash-tool-aft-t3923941. May i will try it on Saturday.
3. For QFIL. How to take backup of persist .. Etc.
Click to expand...
Click to collapse
RedGreenBlue123 said:
Is imei gone? If not gone try flash an AFT rom. If still not work you must backup persist, modem, qcn file and flash QFIL, restore qcn, persist, then up to 340. I helped a guy recovered his phone in that situation with this method.
Sent from my ZenFone Max Pro M1 using Tapatalk
Click to expand...
Click to collapse
Thanks 4 the reply. 1. Imei number is still there. I can make call with miui and with the initial build of superior os rom. Not the with the latest build. Do you know why this happened.
2.Anyway the guide 4 flashing aft rom this right https://forum.xda-developers.com/asu...l-aft-t3923941. May i will try it on Saturday.
3. For QFIL. How to take backup of persist .. Etc.
reddevils4017 said:
Thanks 4 the reply. 1. Imei number is still there. I can make call with miui and with the initial build of superior os rom. Not the with the latest build. Do you know why this happened.
2.Anyway the guide 4 flashing aft rom this right https://forum.xda-developers.com/asu...l-aft-t3923941. May i will try it on Saturday.
3. For QFIL. How to take backup of persist .. Etc.
Click to expand...
Click to collapse
Use an app named "PartitionsBackups" on play store. Go to the app's settings, choose backup type "RAW" then return, choose Persist, press backup button. Also use QFIL to backup QCN. I will help you if AFT rom don't work.
Sent from my ZenFone Max Pro M1 using Tapatalk
Navigate to /vendor/etc/acdbdata/QRD and delete QRD_Handset_cal.acdb. After doing this, you will NOT be able to control in-call volume(will always be at max) but this should fix your problem.
Though this should not break your phone, always have a backup of the file and set permissions to 0664(octal) while restoring.
I tried this quite a while back on havoc pie and it did work back then. You can still give this a go if everything else fails.
I also have same problem I m on pixel experience rom
Few days back I received an ota to update the rom
After claen flashing the latest build no audio from any speakers
digvijaygabhane said:
I also have same problem I m on pixel experience rom
Few days back I received an ota to update the rom
After claen flashing the latest build no audio from any speakers
Click to expand...
Click to collapse
So just try to install AFT rom it will restore firnware for you. That can help fixes some issues.
Sent from my ZenFone Max Pro M1 using Tapatalk

My Redmi Note 7 Repeatedly Freezes.

My xiaomi redmi note 7 device is currently running Android 11 Lineage OS 18.1, and I've been facing an issue in which the phone just freezes randomly, and I'm unable to use it until I force a restart. I faced a similar issue when I was using Cherish OS A12 but it was less frequent. Does anyone have an idea on what the problem could be or how to fix it?
One day something similar happened to me, I recommend you flashing the original firmware of the Redmi Note 7, you can download it from mi community.
I was using cherish, and i didn't have any problem. Before you flash the original firmware, i recommend you to try Project Arcana, it is a good custom rom
ernestowolabi said:
My xiaomi redmi note 7 device is currently running Android 11 Lineage OS 18.1, and I've been facing an issue in which the phone just freezes randomly, and I'm unable to use it until I force a restart. I faced a similar issue when I was using Cherish OS A12 but it was less frequent. Does anyone have an idea on what the problem could be or how to fix it?
Click to expand...
Click to collapse
Flash only the last firmware without wipe, before you test to flash stock rom and begin new.
Xiaomi Firmware Updater
The ultimate script that provides firmware packages for Xiaomi devices.
xiaomifirmwareupdater.com
Gregorio187 said:
One day something similar happened to me, I recommend you flashing the original firmware of the Redmi Note 7, you can download it from mi community.
I was using cherish, and i didn't have any problem. Before you flash the original firmware, i recommend you to try Project Arcana, it is a good custom rom
Click to expand...
Click to collapse
Alright, thanks, I'll check Project Arcana out. Currently on Nusantara Project ROM and it's happening less frequently now.
joke19 said:
Flash only the last firmware without wipe, before you test to flash stock rom and begin new.
https://xiaomifirmwareupdater.com/firmware/lavender/[/URL
Click to expand...
Click to collapse
joke19 said:
Flash only the last firmware without wipe, before you test to flash stock rom and begin new.
Xiaomi Firmware Updater
The ultimate script that provides firmware packages for Xiaomi devices.
xiaomifirmwareupdater.com
Click to expand...
Click to collapse
Thank you. I actually already flashed the stock MIUI ROM and I didn't notice it anymore. But I don't want to stick with MIUI. I've been using custom ROMs for a while without experiencing this issue. I just don't know why it's an issue now.
ernestowolabi said:
Thank you. I actually already flashed the stock MIUI ROM and I didn't notice it anymore. But I don't want to stick with MIUI. I've been using custom ROMs for a while without experiencing this issue. I just don't know why it's an issue now.
Click to expand...
Click to collapse
Firmware not rom, but okay
joke19 said:
Firmware not rom, but okay
Click to expand...
Click to collapse
What exactly do you mean by firmware please, I'd appreciate an explanation. I downloaded the latest recovery firmware from that site, but it's a 2gb zip file. I assumed it's the ROM.
ernestowolabi said:
What exactly do you mean by firmware please, I'd appreciate an explanation. I downloaded the latest recovery firmware from that site, but it's a 2gb zip file. I assumed it's the ROM.
Click to expand...
Click to collapse
Xiaomi Firmware Updater
The ultimate script that provides firmware packages for Xiaomi devices.
xiaomifirmwareupdater.com
https://www.digitalcitizen.life/simple-questions-what-firmware-what-does-it-do/
joke19 said:
Xiaomi Firmware Updater
The ultimate script that provides firmware packages for Xiaomi devices.
xiaomifirmwareupdater.com
https://www.digitalcitizen.life/simple-questions-what-firmware-what-does-it-do/
Click to expand...
Click to collapse
Test stable or the newer chinese version. Dont worry chinese work with global too and you can roll back to global
joke19 said:
Test stable or the newer chinese version. Dont worry chinese work with global too and you can roll back to global
Click to expand...
Click to collapse
Thank you very much. I think I understand now. I'll do that.
UPDATE
I have since flashed the latest firmware and the issue still persists. I also flashed the fastboot ROM of the device to have a fresh start per se, but the issue still returns when I install a custom ROM. Currently on Project Arcana OS, and it's still happening. I have decided to use the ROM without Magisk, because it seems to be the only thing I haven't tried yet, and there haven't been any freezes for almost 24 hours now. I will update this if it happens again.

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