如果是澳洲鎖版, 你可以致電你合約的公司要求他們為你的電話進行解鎖, iPhone 4 在合約期的任何時間也是免費, 買後也可以即時致電解鎖. 我的 4g 買後三天也解鎖了 ( Vodafone ), 如果是 3g or 3gs 通常合約過了12 個月後是免費, 這樣便不需要 bb 的解鎖方式.

以上是澳洲公平交易的法例, 客人要求一定要解鎖.

如果你的 iPhone 是 Vodafone 合約更易辦, 到 Vodafone 的綱址輸入 IMEI 号碼自行解鎖.

http://vodafone.custhelp.com/app/ans...tail/a_id/2909

Vodafone can only unlock devices purchased from a Vodafone outlet in Australia.
Your device may be locked to the Vodafone Australia network. If you wish to use your mobile on other networks, Vodafone will supply your device unlock code.
There may be a charge associated with unlocking your device.
The unlock code can be obtained online via the vodafone.com.au/unlock website or by calling Vodafone on 1555 or dialling 1300650410 and selecting the device unlock option. Both options require you to have a credit card to make the payment. Accepted cards are Visa, MasterCard, AMEX, Diners.
Issues Unlocking?
If you experience any issues once the Handset Unlock instruction page is presented, please click on the grey 'Difficulties' button to submit your issue for resolution by the Unlock team.
By requesting to have your device unlocked online you'll save $25 on any unlocking fees.
The unlock fee is structured as follows for devices:
A basic fee of $50 to unlock the device at any time, reduced to $25 if you obtain your unlock code using Vodafone's website at vodafone.com.au/unlock. Plus additional $50 to unlock your device within six months of purchase.
See below for Apple® iPhone™ 3G Unlocking.
If Apple® iPhone™ 3G is less than 6 months old and if:
Unlock is via self-service on website, the charge is $75 dollars
Customer care completes unlock request, the charge is $100 dollars
If Apple® iPhone™ 3G is Older than 6 months and if:
Unlock is via self-service on website, then charge is $25 dollars
Customer care completes unlock request, the charge is $50 dollars
For Prepaid Mobile Broadband Customers:
If you unlock your Prepaid Mobile Broadband device online within the first six months of purchase, your unlock fee will be $75.
If you unlock your Prepaid Mobile Broadband device online at any time after the first six months of purchase, your unlock fee will be $25.