Questions:
-do i have to unlock my iphone to intall the app.tap software on my iphone.

-Secondly do i have to switch to T-mobile to istall this.

-can i install app.tapp on my iphone with firmware 1.1.2 (OTB) or do i have to downgrade (what one do i have to downgrade to).

Im extremly sorry for the noobish questions but i guess im a noob to these things.