If Apple has not yet launched the new iPhone in your country, but if could somehow you managed to get one.You can unlock it to use it on any GSM Network using a tool called Pwange.It can also unlock/jailbreak iPhone 2G or iPod Touch on Firm ware 2.0

What is JailBreaking an iPhone??

Jailbreaking is the means of modifying the iPhone’s file system in order to install other application that are not provided or approved by Apple to be used with the iPhone, but remember that this can cause problems and void the warranty.

Currently, Pwnage Tool 2.0 is compatible with Mac and supports the following devices and firmwares:

1. iPhone (1st Gen) with 2.0: Activated, Unlocked & Jailbroken, (with support for third party applications).
2. iPod Touch with 2.0: Activated & Jailbroken, (with support for third party applications).
3. iPhone (3G) with 2.0: Activated, Jailbroken (with  support for third party applications).

Download Pwnage Tool 2.0 (Mirror 1 | Mirror 2)

Check out the tutorial by SizzedCore on How to unlock the iPhone using the Pwnage Tool.

Via – Sizlopedia.