Follow few steps. 1. Clear opened recent apps 2. Check and kill background apps if any running using device care 3. Switch to automatic brightness 4. Switch ON mobile data when required
All this will help to solve battery drain partially....
if your phone battery getting drain rapidly.. visit service center to check your mobile
u can save battery life by sleeping the unused apps. open device care and click on battery. open the top settings and slick on sleeping apps and add the apps manually which u don't use regularly
