Ipod Touch 4Th Generation - Best Us Prices

https://www.goodreads.com/topic/show/19904093-15-best-ios-jailbreak-bloggers-you-need-to-follow

2 Insert your DVD disc in your DVD-Rom (Make sure that you have sufficient space on hard disk to store the DVD). After the installation is completed, your iOS device will be jailbroken on iOS 4.3.1.