Samsung Galaxy S20 battery lifetime was up to 20 hours per one charge. The I have probably installed some apps, and the time is dropped to less than 15 hours. The phone is clearly warm during the day. It is definitely doing something. How to know what namely?
GSam battery monitor told it can't determine power consumption on per application basis.
Can I see processor usage or something?
I gave permissions to
GSam and it showed, that most consumption is from
Android system itself. Can some application add module to the system, which consumes power?