What happens if I update my iPhone?

Related questions

1. How many GB is iOS 12?
2. Why is my phone so slow iPhone?
3. Why do iPhone updates take so long?
4. Does Apple slow your phone down?
5. Can I update iOS without WIFI?
6. Which iPhones will get iOS 12?
7. Is push or fetch faster?
8. Does iOS 12 give more storage?
9. Why do iPhones slow down after 2 years?
10. Can iPhone 5s get iOS 12?

Tags

1. #itunes
2. #reinstall
3. #message
4. #removed
5. #install
6. #icloud
7. #space
8. #device
9. #later
10. #cancel
11. #continue
12. #temporarily
13. #because
14. #needs
15. #available
16. #remove
17. #backup
18. #update
19. #using