After jailbreak my phone dont work at all

[fiffw]

After I try to jailbreak my iphone with redsn0w my phone do not work. When I connect to itunes i get the following message: The sim card is not supported get a replacement sim. Everthing else work fine before except for the message. My phone were bought in America with a extra piggy card. Now i need to get my phone back to his original state. The best what i get is to be able to dial emergency numbers.
3G 8Gb
Model: A1241
itunes: 8.02
not sure of firmware

 

[bytethese]

After I try to jailbreak my iphone with redsn0w my phone do not work. When I connect to itunes i get the following message: The sim card is not supported get a replacement sim. Everthing else work fine before except for the message. My phone were bought in America with a extra piggy card. Now i need to get my phone back to his original state. The best what i get is to be able to dial emergency numbers.

Unfortunately you failed to let us know a few things in order to help:

1. What iPhone model do you have?
2. What OS are you using?
3. What Firmware is on the device?
4. Just in case, what version iTunes do you have?

After that, someone will be able to help more effectively.