Originally Posted by
Ipheuria If you have Blacksnow your phone is Jailbroken not unlocked so if the SIM belongs to the network the phone is locked to put it in and bam away you go. I always power my phone off when I put the SIM in or out. If the SIM is not for the carrier your phone is locked to it will not work you need to unlock it for it to work.
umm i'm confused
BlackRa1n jailbreaks the device
Blacksn0w unlocks the device, which i already downloaded from Cydia