What is reboot to bootloader Android?

Related questions

1. Is there an app to mirror another phone?
2. How can I mirror my phone to my computer wirelessly?
3. What are ADB tools?
4. What is ADB command for Android?
5. Why do ghost touches happen?
6. Is Cracked Phone Screen dangerous?
7. How much does phone screen repair cost?
8. How do I enable ADB on Android?
9. How do I project my screen?
10. Why is ADB device not found?

Tags

1. #rebooting
2. #download
3. #system
4. #bootloader
5. #volume
6. #updates
7. #stuff
8. #nothing
9. #usually
10. #phone
11. #factory
12. #normal
13. #varies
14. #android
15. #install
16. #special
17. #reset
18. #recovery
19. #power
20. #press