Yesterday I received the Feb Security Patch level for My Samsung Galaxy A52s.It was on Jan Security Update from 2 to 3 months

I am not getting enough battery backup for my galaxy A52s, I charged my phone to full 100% at 2pm and at 10pm it became to 30%.Does anybody facing the issue and do you have any workaround for itPlease share your thoughts 

I am not getting enough battery backup for my galaxy A52s, I charged my phone to full 100% at 2pm and at 10pm it became to 30%.Does anybody facing the issue and do you have any workaround for itPlease share your thoughts 

In the Samsung Galaxy A series if someone Calls instead of showing small circle image over a different Background instead it show full screen image of the caller like in Whatsapp Call or Duo Call.Is there any option available?

How to do App lock without installing any third party app in Samsung Galaxy  A52s