Galaxy S9/S9+: Why has the screen being turned on/off continuously during calls?
While on the call, screen is turned on or off automatically based on detecting some subjects on the display by proximity sensor.
If devices like headset, earphone, and so on are connected on your phone, screen is continuously turned on as proximity sensor is deactivated.
It is an intended operation and your phone is not faulty. In this case please check whether that proximity sensor of your device is working well or not during a call without any Bluetooth or physical connection of headset, earphone and so on.
If screen is turned on continuously without any connection, please visit the authorized service center and check your device.
Otherwise if home key was pressed while on the call, screen may be turned on.
In this case you can check that proximity sensor is working well by detaching the phone from your ear and closing it.
If screen will be turned off when you close your device to ear again, proximity sensor is working well.
Not finding what you're looking for? We're here to help.
Live Chat support with a Samsung product expert.
Support Timing : 8AM to 10PM GMT+4
We'll respond your query quickly.
Contact the dedicated CEO's Office.
Log in with your Samsung Account and join the Samsung Members community! Peer to peer support for mobile phones.
UAE : 8AM to 10PM / 7 days a week
Qatar : 7AM to 9PM / 7 days a week
Kuwait : 7AM to 9PM / 7 days a week
Bahrain : 7AM to 9PM / 7 days a week
Oman : 8AM - 10PM / 7 days a week
UAE only : 24/7
* For any printer related enquiries please visit the HP website .
Search the nearest Samsung Service Centers in your area.