Download Sn0wbreeze 1.4 to Jailbreak iPhone 3.1.3 Firmware Sn0wbreeze released the new and final version 1.4 to Jailbreak iPhone 3.1.3 Firmware. Sn0wbreeze will work on iPod Touch 1G, 2G and iPhone 2G, 3G, and 3G[S] (old bootrom & non MC). After the Jailbreak you can unlock your iPhone with Ultrasn0w. To Jailbreak iPhone OS 3.1.3 [...]