Can you upgrade your ipod touch/Iphone to iOS 4 and keep your jailbreak?

Kurt

Member
The reason I ask this is because i have an ipod touch that is on 3.1.3 that is jailbroken and it is pretty much the best thing to do to an ipod touch but anyways since when you upgrade your ipod touch doesnt it not restore. Since it doesnt restore then your jailbreak apps wont be lost so it shouldnt effect your ipod, would it?
So can someone let me know if I am right or if it will take the jailbreak off of my ipod touch
Thank you for your help
 
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