On incoming calls the screen goes black after 4 secs - Android Q&A, Help & Troubleshooting

I recently updated Nokia 6 to Oreo and I noticed that during incoming calls the screens stays on only for 4 seconds and then it goes black. It's still possible to answer the call by unlocking the phone first but it requires an additional action now. Is it just me, is it phone specific or is it the same for all Oreo users? Is it possible to prevent the screen from going black?

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After phone call proximity I get the lock screen

I am a new android owner. When I make a phone call the proximity sensor turns the screen off... great, no accidental screen pressing. However, when I finish the phone call or take the phone away from my ear... I get the lock screen. Why? Why doesn't the screen just go back on to whatever screen was on before the phone call... like the dial pad.
I find this annoying. To hang up a phone call, I have to unlock the screen first.
What phone are you using? Software version etc and are you rooted? This doesn't happen to me so it's not a general android issue.
Sent from my Galaxy Nexus
I have the Moto Droid X. Running CyanogenMod 7.1. Also using exDialer as a dialer replacement.
Does it happen with the stock dialer? If not that's your answer
Sent from my Galaxy Nexus
RTContent said:
Does it happen with the stock dialer? If not that's your answer
Sent from my Galaxy Nexus
Click to expand...
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Yep it happened with the stock dialer on ICS and it is happening with JB as well. I am really surprised it doesn't bother more people. What is most annoying is that, I initiated a new call and put my phone to my ear to only that the call did not even establish (e.g., due to network iss ue) and when I want to place the call again, it is already locked. It is definitely due to the proximity sensor, as the same thing doesn't happen if i never put the phone to my ear and just keep watching the screen to confirm that the call did get established (and started ringing).
njmsmith said:
I am a new android owner. When I make a phone call the proximity sensor turns the screen off... great, no accidental screen pressing. However, when I finish the phone call or take the phone away from my ear... I get the lock screen. Why? Why doesn't the screen just go back on to whatever screen was on before the phone call... like the dial pad.
I find this annoying. To hang up a phone call, I have to unlock the screen first.
Click to expand...
Click to collapse
If you are rooted, disable your Proximity Sensor in a call. To do so, add following line to /system/build.prop file:
Code:
gsm.proximity.enable=false
.
Plus, make sure to make screen timeout period long. You can use Widgetsoid app (or, other toggle apps) to make it infinite.
SachinShekhar said:
If you are rooted, disable your Proximity Sensor in a call. To do so, add following line to /system/build.prop file:
Code:
gsm.proximity.enable=false
.
Plus, make sure to make screen timeout period long. You can use Widgetsoid app (or, other toggle apps) to make it infinite.
Click to expand...
Click to collapse
I have display timeout set to 2 minutes, so that can't be the problem, as the whole experience when the call is not connected only takes 10 or 15 seconds to complete. However I have security setting to lock the screen in 5 seconds after the display goes to sleep. Perhaps that is somehow related, so I just increased it to 30 seconds, I will see if the problem goes away.

Phone screen stays black temporarily at random times

Not always but at random times when I receive a text or a call the screen would stay black and wouldn't allow me to receive the call etc. The rings would keep going but the screen stays black. I am using Cyanogenmod latest nightly and AGNi kernel. Is there any way to fix this?
But if I give some time, the screen is back up. Happens during and after calls too. It's not a regular thing but it would happen randomly once a day or so.
It sounds as though the screen sensor isn't detecting the call. I know this is a common issue in a few lollipop based roms. One reason I personally haven't stayed on an LP rom. I believe that you can change certain settings in the build.prop file but as to what they are exactly I'm not familiar. You would need to search a few sites to confirm.

Incoming Calls on Second Screen & Main Screen?

I am looking to get my calls to come in on both the second screen and home screen. I dont want to miss the calls which i sometimes can when its so small on the second screen but i also want it to show on the second screen aswell in case i need to use the phone while on a call. In the settings there only seems to be 3 options - Show voice calls while in app :
Second Screen
Pop Up
Main Screen for incoming only
Is it not possible for the call to show in the second screen always and also incoming on the main screen? Thanks
Not to sound snarky ... but are you asking for the phone to tell you there's a call coming in 2 times in the same 5 inches?
I don't think you're going to find this in the stock version of the phone. Maybe an app might offer that to you, but even then it's asking for redundancy when most are looking for multi-tasking.
No sorry i must not be explaining myself correctly. I like the feature of the call being shown on the second screen. However it is a bit of a pain to hang up the call and answer sometimes. So i would like to receive the notification in both the tiny second screen area and the main screen. Say i am using an app on the call then i can either switch back to the call on the main screen again or use the second screen to end the call. Currently if i choose for the second screen to show the incoming call then i cannot receive the call to the main screen at all. Perhaps it is asking for too much, though i would actually have assumed this would be relatively normal.
I "think" I understand you now.
If you're on the phone, you want any incoming call notification to be shown as if it's the first call on the big screen with all the options to cancel, auto-reply or pick up while putting the first caller on hold.
I haven't figured out the nuances of that scenario yet - it doesn't work the same as my previous phones, and I've screwed up the connection with the first caller when taking a second call ... I guess I'll have to borrow another phone and play with the settings till I get it down.
If I get it figured out, I'll post back. It might be a few days till I can get to it.
That's it! Kind of hard to explain Thanks and if i figure it out i will also post here.

How to Keep phone screen on during calls?

I got my Mate 20 last week and I have a nagging issue that I am trying to find a solution for. When I am in the car i have my Mate 20 in a cradle. When I make or receive a call the call screen appears, then about a minute later it will turn off (go black). When I touch the screen it will come back on. I have my screen timeout set to a minute so I understand why this may happen. However, the screen time out I don't think should do this when using the phone call app. Is there a way to keep the screen on during a call? I have looked at the settings and found nothing. I am coming from a Blackberry Priv running andriod and there was a setting the allowed to keep screen on during calls.
On my last 4 Android phones (Samsung) I had the same behavior...which I actually liked as it saves battery. There is no setting AFAIK to disable that on M20P, I mean besides extending the screen timeout.
You could use MacroDroid to set a couple of rules: one to increase screen timeout while a call is active and another to change it back when a call ends.
There are also some apps that are supposed to let you keep the screen on while a specified app is running (like Keep Screen) so don't know if that would work.
denaliman said:
I got my Mate 20 last week and I have a nagging issue that I am trying to find a solution for. When I am in the car i have my Mate 20 in a cradle. When I make or receive a call the call screen appears, then about a minute later it will turn off (go black). When I touch the screen it will come back on. I have my screen timeout set to a minute so I understand why this may happen. However, the screen time out I don't think should do this when using the phone call app. Is there a way to keep the screen on during a call? I have looked at the settings and found nothing. I am coming from a Blackberry Priv running andriod and there was a setting the allowed to keep screen on during calls.
Click to expand...
Click to collapse
https://play.google.com/store/apps/details?id=com.openappinfo.keepscreenon
Sent from my [device_name] using XDA-Developers Legacy app

Question 12T Pro - screen goes dark when starting video call

The phone is running on MIUI 14.0.9.0 TLFEUXM, not rooted, bootloader unlocked. The issue I had happened couple of times already. When starting a video call in signal app, the screen goes completely dark when call recipient answers. The display doesn't react on any touch input or buttons. Even when other party ends the call, screen still remains dark. The front camera is meanwhile running, but the camera LED indicator is also dark. Only when holding the power button for 20 sec to reboot the phone makes the screen working again. Has anyone else had this issue also? How to diagnose in this situation if it's a hardware or os/app related problem?

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