Can you downgrade to an unsigned iOS?

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Tags

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2. #older
3. #stops
4. #apple
5. #jailbreak
6. #ability
7. #unsigned
8. #useful
9. #version
10. #downgrade
11. #usually
12. #firmware
13. #update
14. #weeks
15. #signing
16. #software
17. #upgrade
18. #releasing
19. #iphone
20. #after