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Continue to ChatTutoriel - Downgrade iPhone 3G/3GS FW iOS 4.0 en FW 3.1.3 https://www.appsystem.fr/12081/tutoriel-downgrade-iphone-3g3gs-fw-ios-4-0-en-fw-3-1-3/
Tutoriel - Downgrade iPhone 3G/3GS FW iOS 4.0 en FW 3.1.3 https://www.appsystem.fr/12081/tutoriel-downgrade-iphone-3g3gs-fw-ios-4-0-en-fw-3-1-3/