After updating July Security patch battery draining very fast

Hi, check the solutions in the link below, let me know if any of the solutions works:
https://www.google.com/url?sa=i&source=web&cd=&ved=2ahUKEwiRnur599DjAhVsx4UKHcoeCUMQzPwBegQIARAC&url=https%3A%2F%2Fthedroidguy.com%2F2019%2F06%2Fhow-to-fix-a-samsung-galaxy-note-9-battery-that-drains-so-quickly-after-an-update-troubleshooting-guide-1090483&psig=AOvVaw0nPRGhtFdOovOI2iqJQAKp&ust=1564173889837714

after clearing catche it is slightly improved, now it is lasting for 15 -16hrs, still earlier was much better, may be I can try last option reset to factory dedault n check.