Does iOS 12 fix battery drain?

Related questions

1. Does iOS 12 improve battery life?
2. Is it bad to update your iPhone?
3. Do you need a iTunes card to update your iPhone?
4. Can I replace iPad battery?
5. Will there be an iPhone 11?
6. Is 64gb enough for iPhone?
7. How do I know which iOS my iPhone has?
8. Which iPhone has more battery life?
9. How long does it take to update iPhone?
10. Which is the better iPhone XS or XR?

Tags

1. #experience
2. #device
3. #should
4. #check
5. #prolong
6. #seconds
7. #drain
8. #battery
9. #issue
10. #could
11. #performance
12. #minute
13. #power
14. #improved
15. #first
16. #things