[Q] Micromax Canvas 2 Audio and Microphone Problem after Flashing - Android Q&A, Help & Troubleshooting

Hi,
I Have tried many custom Rom for my canvas 2 but i am getting same kind of issues with audio and microphone after flashing it.
I have tried almost 8 different types of ROMs using CWM recovery mode.
1 .First its shows that Invalid IMEI & simcard not getting signal i fix it with Engineermode and manually enter the imei codes so its working.
2. Audio and Microphone not working. I can't hear anything and also can't record.
I need to know why am i getting this issues . Unfortunately i have not make any backup of my old ROM
Please help.

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Hello everybody, I have a GT-I9300 that I have bought from China. I have been running Slim ROM for a while and this weird issue appeared: When I call someone or someone calls me I cannot hear anything and the other side can't hear me. I would like to note that Skype and viber work just fine.
I have tried the following:
1. Changing to Omega ROM.
2. Flashing new firmware that got my efs folder unreadable.
3. Flashing couple more firmwares until I got my imei back.
4. Flashing modems and cscs for my country.
5. Random settings that people on the net recommended changing.
At this moment I am still stuck with this in Call issue. Any help would be appreciated.

[Q] Mobile network error

Signal is full but sometimes i cant make a call and send sms message. i tried many things
: install a stock rom , custom rom and factory reset many times . But not working :crying: :crying:
What makes you think it's a phone-side or firmware/software issue & not a carrier-side issue (which it sounds like) ? Or even a hardware problem ? (a lot less likely than something carrier-side, but still possible).

Redmi Note 3 stuck in earphone mode

Hi
Few days back my redmi note 3 phone got stuck in earphone mode and have been like this. I have tried many methods to fix it like-
1) Rebooting mobile several times
2) Inserting and removing earphone quickly
3) Changing types of earphones from headphone and audio effects
but all this did no effect on mobile.
So, kindly suggest any effective method to fix the problem.
Thank you in advance
Its not your mobiles problem xiaomi miui 8.5.7 update messed up with the kernel the bug is because you must have flashed after wards miui 8.5.7 ROM sometime
That is a fairly common problem with the Redmi Note 3.
Cleaning the headphone jack with a swab and then restarting the phone did the trick for me .
It can also be a problem with the ROM (already happened to me too), however you would only know that if flash another ROM, so try the cleaning method first.
Hope I could help
Flash agni kernel with agni jack modification on
Hope it will work

Redmi Note 4 : wifi,bluetooth, speaker, microphone not working

For some reason, i had to wipe my phone clean so i did that by fastboot -w . Then i flashed various ROMs available for my device. All of them boot up fine but the wifi doesn't stay on. sim card is just not being detected. Bluetooth keeps crashing when i turn it on . Speaker and microphone are just not working. Can someone please help me out?

Microphone Problem in Android 11

Hi there
Since I updated my MI A3 to Android 11 the microphone sometimes doesn't record voices !
( I reset and flashed my phone so many times but didn't solve )
Upppppp
If you flashed stock with miflash... Probably the problem is hardware. I have flashed many stock and custom a11 firmware. And my microphone work well. A question. When you reflashed stock rom... You have changed the active slot? All updates are installed on slot b. So if want to make a good clean istallation... In my opinion is better set active slot to a via fastboot before flash. Try this. Also you can try a custom stable rom with oss drivers. But is important to make a good installation. Or the software problems may not be solved
Recently after owning a new car that is my first using Bluetooth handsfree option, I discovered this issue.
It seems the mic got somehow "stuck" to the car when I leave it, as the phone's normal mic then is okay. Just when trying to use the phone's handsfree mic in a call oder video calling in signal or hangouts it doesnt work. Even recording videos using the camera app is fine, but any handsfree option for any communication does not work.
Restarting the device or restarting bluetooth does not work. Somehow the phone recovers after sometime. When, why and how I do not know.
It definitely breaks down again once reconnected to the car.
with other bt devices have same problem?
Sadly I don't have any other bt device that is handsfree mic capable, I just own a speaker that is connected every now and then - it was my first idea to recover it by connecting to another bt device (the said speaker), but it does not work. Of course, the speaker is not connected using the same bt variant, the icon in the phone's settings is different.
mmmm... for this issue, the solution are: try delete all bt connection. if dont work try install latest software update. if dont work the definitive solution is wipe data and make a new clean installation. i suggest do this via miflash
wetito said:
If you flashed stock with miflash... Probably the problem is hardware. I have flashed many stock and custom a11 firmware. And my microphone work well. A question. When you reflashed stock rom... You have changed the active slot? All updates are installed on slot b. So if want to make a good clean istallation... In my opinion is better set active slot to a via fastboot before flash. Try this. Also you can try a custom stable rom with oss drivers. But is important to make a good installation. Or the software problems may not be solved
Click to expand...
Click to collapse
is there a guide to do a good factory reset without unlock the bootloader?
boot into recovery and wipe data

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