Free your phones

Unlocking phones lets you use phones bought from anyone with GSM carriers. It means you can use Cingular phone under T-Mobile network. It doesn’t have any benefit when you use the phone in u.s. However, it is really benefit when you travel to overseas. You just need to buy a prepaid SIM cards and stick it in your phone. You will get much lower rate than the $1 to $2 per minutes you will be charged roaming with U.S. carriers, and you will also get free incoming calls. You can unlock your phone by requesting the code from your phone carrier; or paying the phone stores to do it for you.