...bootrom ("MC") be Jailroken? No I didnt upgrade anything , I bought the iPhone and it was already like this
Before I knew anything I tried jailbreaking with Spirit and it said "Succeeded" , I got Cydia and tried to install Installous but I kept getting the error "Size mismatch" + some errors about chache fail from "apt.modmyi.com" something about host unreachable.....

Am desperate , any help is appreciated