my iphone 4 is running 5.0.1 jailbroken and i would like to upgrade to 5.1. do i just need to make a list of the apps i got from cydia, update through itunes and then re-jailbreak/ resinstall my apps? also which ispw do i need for redsn0w? 5.0, 5.0.1 or 5.1? thanks everyone for your help