How can I upgrade my phone version?

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Tags

1. #system
2. #reboot
3. #phone
4. #installation
5. #completed
6. #device
7. #install
8. #updates
9. #version
10. #upgrade
11. #download
12. #android
13. #check
14. #about
15. #automatically
16. #update
17. #latest
18. #settings