Calling issues - Xiaomi Redmi Note 7 Questions & Answers

I am experiencing 3 issues while calling.
1. When on call the proximity sensor does not work correctly. It doesn't turn off the screen even when phone is touch on my cheek and ear.
2. I don't know if it's only problem with my lavender or everyone's but call sound is too low! I have to close my 2nd ear while talking on phone. Them I can listen properly.
3. It's related to proximity sensor I assume. After ending a call, my clock app is opened on screen.

About point 1 and 3 I must admit I had to adjust the position of the ear in order to make the proximity sensor work correctly. I don't make phone calls usually but with WhatsApp it took a while at the beginning to prevent everyone from hearing my personal voice messages

!!!!!!!Root2!!!!!! said:
I am experiencing 3 issues while calling.
1. When on call the proximity sensor does not work correctly. It doesn't turn off the screen even when phone is touch on my cheek and ear.
2. I don't know if it's only problem with my lavender or everyone's but call sound is too low! I have to close my 2nd ear while talking on phone. Them I can listen properly.
3. It's related to proximity sensor I assume. After ending a call, my clock app is opened on screen.
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about point 3. while your phone touches your ear especially after call disconnects your ear may touch the clock app (icon) which may be the reason of starting clock app
for other 2 points check is there any dirt/dust etc. on proximity sensor, you can counter check via some app that can check the functionality of all the sensors

I have a weird problem... 2 Redmi note 7 phones, when we call each other call quality is awful. If one of the phones switches manually to 2G network, call quality is good. We got replacement SIM cards, problem is still here. If I put other SIM card to one of the phones, problem is still here... except if I put SIM card of specific operator, then call quality is good. I guess that maybe is problem between switching from 4G to 3G for calls, because one of the operators does not support VoLTE. Is there something in settings that I can change? BTW, when those 2 RN7 phones call anybody else on any network, any phone... Call quality is good.

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In call, persons can barely hear me

Hi.
while on call, everyone is having problems hearing me, i even did the test myself with one friend, and the micro cannot have one perceptible reception.
But, while in sound recorder mode, it works ok.
Is there any way to improve the microphone volume while in call? (patches, software, etc)
It might help
SandStorm said:
Hi.
while on call, everyone is having problems hearing me, i even did the test myself with one friend, and the micro cannot have one perceptible reception.
But, while in sound recorder mode, it works ok.
Is there any way to improve the microphone volume while in call? (patches, software, etc)
Click to expand...
Click to collapse
I enabled the microphone auto gain control. So far, I have not received any complaint from the people I talk to, on the phone.
but i have that option enabled :/
without it, is even worse
It was always like this, or started suddenly? Maybe it's an hardware problem?
i never used this device often, but only noticed this when i changed to wm6
it is happening too on wm5.
anyone have spare mics?
strange, the voice recorder is working
same problem
found it :
http://forum.xda-developers.com/showthread.php?t=256734
i ordered one new mic and replaced it, it is all ok now

[Q] Using other apps during call and proximty sensor issues

Is it normal for the proximity sensor to work only while the phone app is open. So for instance, while im in a call and want to go check an email, do i have to reopen the phone app before putting the phone to my ear? Currently while in a call, if anything besides the phone app is on the scrren, the proximity sensor won't work. Is there a setting that i'm missing or is that just the way it is? Thanks in advance.
So i just got off the phone wtih someone from samsung and this is normal. This makes relaying info from email, txt message, etc very cumbersome when speakerphone is not an option. I know i sound like a spoiled brat when i say this but i don't understand why the sensor is deactivated when outside the phone app. For people who use bluetooth or speakerphone, do you find yourself covering the prox. sensor when multitasking? Is this an android issue or just a samsung thing? If its only samsung, can they fix this via a firmware update? Is anyone frustrated about this like me? Maybe im just crazy....

Mic muting and speaker switching during call

Hello,
I have a big and annoying problem during making calls.
It occurs very often, that the mic will mute or the speaker mode will switch on during call.
Looks like telephone doesn't know when the proximity sensor is on, but I have no display switching on during this. Seems like switching it with my ear, but proximity sensor should avoid this.
Has anyone occured also this? Is there any Xposed to remove these buttons ?

other end can't hear me, I'm on tmobile

So I've had this issue with several calls. One going to t-mobile, another to Verizon and another to a land line. All three said that I have constant call loss. All they hear is static, and my voice goes in and out. I was in my truck for two of the calls and in a home Depot for another. I can hear the caller on the other end, but they can't hear me. Anyone else have this issue and maybe a fix? Thanks.
Turn off VoLTE and see if it persists
Go to your phone - 3 dot menu top right corner - Call settings - VoLTE slider to off
We're you moving? Maybe slow transfer of towers. And also what other poster said.
Ya I went in and disabled volte, so far it has helped. I'll do some more calls and see if it's a good fix. Thanks.
Update, I turned off volte and I still have the same issue where they can't hear me on the other end.
Bad antennas and or mic. Try sim in another phone before exchange.
@rbiter said:
Bad antennas and or mic. Try sim in another phone before exchange.
Click to expand...
Click to collapse
This, you may have a bad unit. I know mine did that issue a couple of times but I was in a bad LTE area and had VoLTE on.
So I found out why my phone calls kept getting really muffled. Apparently the way I hold my phone my pinky would cover the mic... So now I feel dumb, but I didn't think that the mic would get muffled this easily. So if anyone has the same problem watch your finger placed.

Call switching to loud speaker by itself

Hi
Has anyone else encountered this bug on the European version?
It's only been happening recently since the latest update.
As far as I can tell the screen is off when it happens so it shouldn't be a case of me touching the button with my face.
Further more, the loudspeaker button is not active even though the sound is coming from it!
I have to press it once for it to turn green (loud speaker mode) then once again to return the call to the ear speaker.
Weird!
This is probably not it but just an idea because a similar thing happened to me on my last phone. It turns out I had an app (AutomateIt) which is like tasker in that it does things in response to other things. In this case, I didn't realize it had a task setup that was supposed to automatically activate speakerphone based on the proximity sensor, and it just did not work reliably, activating speakerphone mode excessively.

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