in this video, we go over How To DOWNGRADE iPhone 4S from iOS 9.3.6 to iOS 6.1.3 in 2024 using 3uTools! for Mac use version 3.03 for Windows try the latest, v2.55, v2.38, or v 2.17.
Links:
Jailbreak - jailbreak.app/legacy.html
Cydia Repo - repo.tihmstar.net
3uTools - https://www.3u.com
Previous versions for Windows - https://www.3u.com/update-log/2
iPhone 4S iOS 6.1.3 IPSW - https://www.3u.com/tutorial/articles/4207/downgrade-iphone-4s-ipad-2-to-ios-613-with-3utools