Before asking our questions, we want to make few things clear:

1. Our iSmart unlock sim cards unlock any iPhone 3G worldwide. You sholdn't worry about whether it will work in your countries.

2. Our company is located in the U.S, for countries outside the U.S, the price for the iSmart unlock sim card is $45.99 including the USPS international priority shipping cost.

3. For tmobile internet users, you need to have tmobile tzone or $19.99 data plan. If you already have tzone on your tmobile plan, you need to jailbreak your iphone 3G in order to use the internet.

4. There are two ways to activate your iPhone 3G, you can activate the iPhone 3G by connecting the iPhone 3G to the itunes with an At&t sim card, or you can jailbreak your iPhone 3G and you it will be activated automatically.

5. We test every single unlock sim card before we ship it out, so every unlock sim card will work perfectly.

6. Our iSmart unlock sim card won't do anything that affects the functions of your iphone 3G except unlocking it. Every features of your iPhone 3G will work normally as original.