what is an unlocked cell phone

What is an unlocked cell phone ?
Unlocked cell phones for Dummies,by a Dummy

BlackBerry 8800 GSM Cell Phone Why unlock your Cell phone Theres many reason to want to unlock your current cell phone,or buy

an unlocked phone.

1st a little foundation

Some cell phones offered in the USA use a Subscriber Identification Module ,we know it as a sim card,At&T Wireless and

T-Mobile are two that do.Sprint and Verizon Wireless use Code Division Multiple Access or called CDMA A Sim card is sorta like a memory chip for your PC,it stores your information including your phone number.

Lets say you just cannot stand being with out an iPhone,as you are like my son and dream of it every nite.The iPhone is only

offered thru AT&T,and curses Red Baron,you can only get T-Mobile cell service where you live.That could be a big

problem.Enter in the unlocked iPhone Cell phone.

You can remove the sim card from your existing cell phone,place it into the new iPhone and presto,you are in business using

your current cell phone provider.All calls made from the unlocked iPhone will of course be picked up by your cell service

provider just as if you were using your old phone.A 17 year old just done this(hack into a iPhone) in New york the story is

on foxnews

Theres more reason to unlock your cell phone.

Say you are traveling abroad on business or pleasure,using your USA provider for calls will be expenisve beacuse of

international roaming charges.You can buy a pre-paid sim card that will have the loacl exchnage number and make all your

calls without paying a roaming charge.

* The resell value of your unlocked phone is apx 300% more than an locked cell phone.
* Grab phones that are not available thru major cell service providers.
* Did you know that Sony makes 50 phones?you never get to see how many differant models that are being made because the

Cell Carriers only offer a few phones.