I am not sure if anyone else is having this problem , but since updating the carrier settings my phone will show 3g netweok status until I try using any app that requires the Internet. It will then switch from 3g to edge ( sometimes constantly switching between the two). I live in Chicago so I don't know if it is something specific to this area. My phone is jailbroken but I only have cydia, poof, and rename installed. Very frustrating. Ive tried restarting but not a factory restore yet. What's everyone think?