Can/Should i update+jailreak ipodtouch 3g from 3.1.3 to ios4? Currently spirit jailbroken ipod touch 3gs 3.1.3. Can/should i update ios4? if i update, will i be able to jailbreak? ========================= regarding shsh blobs, i'm unable to open autoshsh exe file in my laptop windows vista.. any other way to save shsh blobs?