i have no idea how to downgrade 1.1.3 or add app tap... please help me!

[foxrider82991]

i have an iphone...firmware 1.1.3 and i have been trying since november to put apptapp or even anything on it...i have windows PC and i have no idea wat im doing... i really need some advice... please help me... THNX

[freshfitz]

Download ziphone and you have to jailbreak the phone to get 3rd party apps on it