Why can't I restore my iPhone from backup?

Related questions

1. Why can't I restore from iCloud backup?
2. Should I restore my iPhone from backup or Setup as new?
3. When restoring iPhone from backup what password is it asking for?
4. Can you stop restore iPhone?
5. How do I restore from iCloud iOS 12?
6. Does Setup as new iPhone delete everything?
7. Can you backup iPhone after setting up as new phone?
8. What is a restore backup password?
9. What is the default iPhone backup password?
10. How long does it take to restore iPhone?

Tags

1. #still
2. #update
3. #restore
4. #might
5. #because
6. #software
7. #updated
8. #backup
9. #itunes
10. #corrupt
11. #device
12. #incompatible
13. #error