Apple ipod

Unlocking the iPhone 3G (3.1.3 firmware) after jailbreaking with the Spirit?

I jailbreak my iPhone 3G (3.1.3 firmware) Spirit in the jailbreak. Everything went well except I can not use my card now. Can anyone tell me about the next step to unlock my iPhone?

Unlock your iPhone can be used with any SIM card from any telephone operator. The output operation is not difficult, but you must use the right software and a guide very detailed.

Jailbreak & Unlock NEW 3.1.3 Firmware For iPhone 3Gs old Boot Rom