How to Fix the iPhone's Dreaded Recovery Loop and Downgrade Back to iOS 4.3.3
If you can't update or restore your iPhone or iPod touch - Apple Support
Sauvegarder restaurer mettre à jour son iPhone 4S sur iTunes - Mobidocs
Apple iPhone 4S - Reset device - AT&T
Comment réinitialiser iPhone 4s - Restaurer et supprimer les données
Question] got a jailbroken 7.1.2 iPhone 4S, can I restore it without updating and can I get some suggestions about some cool stuff I can do with it? :) : r/jailbreak