ok heres the story: i have a windows so i am attempting to use the macs at school, and ive never jailbroken with a mac before. i went through the process and saved the custom firmware that pwnage makes. 1st question: after i save the custom firmware to the desktop, do i need the program anymore, or can i just update it with that firmware in itunes? im asking because im wondering if i can transfer the custom firmware to my windows machine and just update in itunes with the custom firmware. ( i have the firmware saved with cydia created from pwnage) ------ now i already tried what i did in question 1, but it didnt work. so i attempted to do it on the mac. DO I need to erase my iphone before i do this? i attempted updating my iphone on the mac with the custom firmware and it did not work for some reason. i updated to 3.1 IN itunes on windows. ------ ive never done it on a mac, and its really different than windows + i havent jb anything in months. i get about 10 minutes into the restore on the mac before i get an error message. but my main question is #1 thanks ------------------double post merged------------------actually just saw the thread about windows and 8.2, seems like alota work, but im gonna try it and see since i already have the custom firmware from a mac.