hello,
Its nice to see you here.you have asked which is the best way to unlock blackberry,whether through hardware or else other service...here i need to explain you, as i have worked in a Mobile shop it is always better to get the unlocking codes through online providers.there are many online providers to get the unlock codes.i am using one of the provider who is giving codes at reasonable price and also i am getting it fast with guidelines to enter the code easily.the provider name is
http://www.****************.com/blackberry/rs17wp8/ think this provider will be the better to get the codes.....