For cultural reasons, Apple have to allow the downgrade for unsupported iOS devices like the iPhone 3GS (New Bootrom); iPhone 4; iPhone 4s; iPad; iPad 2; iPad 3; iPod touch 3; iPod touch 4; iPod touch 5.

Pour des raisons culturelles, Apple devrait autoriser le downgrade sur les appareils iOS non supportés comme l'iPhone 3GS (Nouveau Bootrom); l'iPhone 4; l'iPhone 4s; l'iPad; l'iPad 2; l'iPad 3; l'iPod touch 3; l'iPod touch 4; l'iPod touch 5.