How do I reset my iPhone without losing everything?

Related questions

1. Why can't I restore backup on my iPhone?
2. Can you undo an iCloud backup?
3. Can you unlock your iPhone if you forgot the password?
4. Why did my iPhone contact names disappear?
5. Should I restore my iPhone or setup as new?
6. Will resetting iPhone delete anything?
7. Can you restore iPhone after Erase all content and settings?
8. Will I lose photos if I restore my iPhone?
9. Can I restore iCloud backup later?
10. Can you recover an erased iPhone?

Tags

1. #general
2. #verify
3. #erase
4. #button
5. #scroll
6. #settings
7. #device
8. #screen
9. #bottom
10. #reset
11. #content
12. #twice