Wondering if there was a way to know if an iphone 4 has the 1.59.00 baseband before i unboxed it. I wanna purchase one that is sealed but before i buy it i wannna know if it has the 1.59.00 baseband. which iphone 4 were sold with the 1.59.00 baseband?? could i tell with imei what the production date was?? any help is appreciated.