might be a stupid question, though used the search engine a lot :)
Can i use redsn0w to upgrade to 3.1.3 on my 3GS?
Got 3.1.2 installed and unfortunately its fucked up now. Don't have the 3.1.2 SHSH, but the 3.1.3 SHSH, thats why i ask.
Ultrasn0w should then do the unlock, right?