Proximity sensor not working properly

check in phone diagonistic

My dear check it in phone diagnostic, reset assesbility settings and also all settings of your's device in general management settings. Thanks.

I tried buddy, and this issue happens once in while not every time

Same problem in F14 also after restart the issue gone.

Dear Samsung Customer,

Greetings from Samsung Customer Support!

Thank you for sharing your concern. We acknowledge your query and apologize for the same. And please follow the easy troubleshooting steps which might help to solve the issue.

https://www.samsung.com/in/support/mobile-devices/how-does-the-proximity-sensor-

It is placed near the earpiece of a phone. During a call, this sensor lets the system know that you're most probably in a call and that the screen has to be turned off.
1. From a Home screen, tap Phone (lower-left).
2. Tap Menu.
3. Tap Call settings or Settings. If needed, tap Call on the settings page.
4. Tap Turn off screen during calls to enable or disable. Enabled when a checkmark is present.
If the still issue persists, kindly remove accessories.
Protective films, cases, stickers, or glass screen protectors can block the sensor. Only use Samsung-approved accessories.
Clean the sensor with a soft cloth.

Update software: Menu>apps>settings>software update>install.

If the issue has not been resolved then reset the device:
Apps>settings> general management>reset.
Note:- Kindly create a data backup of your device via smart switch mobile application or http://www.samsung.com/in/support/smartswitch pc suite.
Remember the google password before resetting the device because it is required during the initial setup.
Factory data reset: Reset your device to its factory default settings. This will erase all data, including files and downloaded apps.

In case the issue still occurs. Please visit the service center for a physical inspection of your device. You can locate your nearest service center with this given link:
https://www.samsung.com/in/support/service-center/

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support

 

I tried with all troubleshoots still sometimes facing same issue and proximity sensor is slow also it's take little more time to display on and off while on call

Hlo