After the one ui core 2.5 version updates recently my a21s battery drains too fast and earphone sound some time stops what is the problem? And pls give us to all a21s users slow motion video mode and night mode with secure folder

We're really needed slow motion video mode because we're pay 15000 rupees and get Samsungs best 48mp camera so as usually we're expecting a slow motion video mode pls give us.in may family and other members desperately need this so Samsung we're very...