Upgrade iPhone to 2.1 Firmware IPSW
Pwnage 2.1 and QuickPwn tools have been circulating on the internet, Mac users can create a custom IPSW firmware 2.1 and had OWN iPhonenya. For Windows users, without WinPwn or QuickPwn for Windows, you can not upgrade the iPhone firmware to version 2.1 unless you use a provider AT & T and does not require unlocking or activation.
If it does not require unlocking you can even upgrade to the last firmware version 2.2 via iTunes easily. For Mac users how to upgrade to 2.1 see here. But don’t worry, there are ways you can do to upgrade the firmware to 2.1. Namely by using a custom IPSW firmware 2.1 that has been “made” and has diunlock to providers other than AT & T. 2.1 custom firmware can be used for iPhone 2G and 3G and can be downloaded by Torent at some sites. Pwnage Tool allows you to 1) create a custom IPSW firmware to jalibroken apps, and 2) to OWN your iPhone that can be used with GSM providers other than AT & T. Because the custom IPSW been made by the MAC user then you live install to get the iPhone to firmware 2.1.
