Does iOS 12 improve battery life?

Related questions

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

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2. #battery
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7. #might
8. #quickly
9. #needed
10. #dying
11. #model
12. #looking
13. #speed
14. #faster
15. #iphone