Is there a way to upgrade to 1.1.2 without...

[TyrannoJack]

Having to wipe out all your apps and music and stuff?

I heard that in order to update it has to restore or something. Is there a way to upgrade without restoring?

[cmcbridejr]

I am not sure.

Try downloading Independence and read the help menu, as this software allows for jailbreak update to 1.1.2.