To unlock your device you need your device serial number (IMEI).
To view information about unlocking including using your device overseas, charges and more, please read this article.
Charges apply for unlocking some devices. Unlocking your device online saves you $25.00.
If you experience difficulties, or to unlock your device with Vodafone Customer Support assistance, please contact Vodafone Customer Support on 1300 650 410 or 1555 from your mobile if you are already a Vodafone customer.