This cool tutorial walks you through how to unlock and overclock a WiFi enabled T-Mobile phone to run Skype. Unlocking your phone will also allow it to be used with other mobile providers such as Cingular, Verizon, any provider with SIM cards. To get started you will needÂ…
A PC running Windows (Windows XP is best, if you can swing it)
Your T-Mobile SDA
A USB-to-Mini USB cable (the one that connects your SDA to your computer)
Some amount of sanity
A desire to be free of (or have the ability to be free of) your current network
The only downside of unlocking your phone is that it will void your warranty, so proceed with caution. via Make Magazine
http://oregonstate.edu/~keiterk/?p=9
A PC running Windows (Windows XP is best, if you can swing it)
Your T-Mobile SDA
A USB-to-Mini USB cable (the one that connects your SDA to your computer)
Some amount of sanity
A desire to be free of (or have the ability to be free of) your current network
The only downside of unlocking your phone is that it will void your warranty, so proceed with caution. via Make Magazine
http://oregonstate.edu/~keiterk/?p=9