Hi, today i have upgraded my iphone to 1.1.4
after i jailbraked and everything worked fine, but i didn't get a "radio link" with my carrier! (T-Mobil)

i hope you know what i mean ^^ my english is bad! if you want i can make a photo!

plz help me!

a friend said that there is an app (like iWorld), which fixxes that problem. but he didn't know the name of it, and i can't find something!