The things you have suggest i have done all this even though same problem, battery not last for a 6 7 hours also

No i am not satisfied if I am not able to experience all the feature as you told me to use 60hz instead 120hz then what's is the point of purchasing this phone people purchase as they want to experience its user interface if he Has to switch off all ...

If am not able to use all the features what is the point of buying a such phone as you are suggesting me to optimize all the things, for your information is have Reset the setting whatever you have suggested still facing same issue

I have not updated yet still m facing battery draining issue