Lock screen not turning off

[AnjanaA207F]

Hi. I am using samsung A20s. My lock screen is not turning off and the phone is constantly on even I try to press the side button, it does not turn off. Can someone help please. Thanks

[SHINAN-EpFBz]

open settings- search for stay awake ( in Developer option) turn off stay awake

[Samsung_specialist]

Hi, 

For assistance, please visit one of our authorized Service Centers to check it for you. You may refer to the link it will guide you to the nearest service center to your location https://www.samsung.com/ae/support/service-center/