Why do I get an error installing iOS 12?

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Tags

1. #problem
2. #settings
3. #network
4. #general
5. #cellular
6. #turned
7. #under
8. #installing
9. #occurred
10. #cause
11. #check
12. #there
13. #update
14. #chances
15. #install
16. #unable
17. #error
18. #reset