Hi, Based
The only way to use the US blackberry 9320 is by unlocking the phone .Once the phone is unlocked you can use any other GSM SIM on the phone.If you are interested in unlocking the phone then visit Unbblock.com as they are providing the unlock codes for the mobile at low cost.You can get the unlock code by providing some4 basic information about the phone like the country and the network to which the phone is locked to.After providing this information you will get the unlock code via mail,using the code you can unlock your phone.