Many novice cellular users who have tried to change service providers have been frustrated when trying to change service providers. Most cell phones are locked by the company that issues the phones by using a special Subscriber Identity Module (SIM) card to encode your proprietary access code.
A locked cell phone has a code embedded in the SIM card that locks it to a specific carrier. The cell phone owner does not have access to modify these software settings on the SIM card, so the subscriber is tied to the phone service provider. Many people find it incredibly difficult to change their lock feature. The biggest advantage of an unlocked cell phone is that it allows you to change carriers on the fly simply by inserting a new SIM card.
Some people have the ability to unlock their current cell phone, and usually all it takes is a computer, your phone in hand, and Internet access. You can unlock them if you have that ability by contacting your service provider and for a small fee they will give you the access code. There are also software programs that will unlock your phone for you. You can find many online by doing a search.
These mobile phones can be used with various GSM compatible carriers around the world. Most cell phones can be used within the US with carriers like T-Mobile, Cingular/AT&T and other carriers and many other GSM service providers around the world. GSM, which leads the world as the fastest growing advanced digital technology available today. Using state-of-the-art GSM technology, they provide integrated voice mail, high-speed data, fax paging, and short message services. Users can call home, across town, across the continent or the world, as long as cellular coverage is available. Many of the popular manufacturers are Nokia, Motorola, Sony Ericsson, Samsung, LG and Alcatel.
There are many different types of unlocked cell phones that can meet the needs of any individual user. Nokia, Motorola and Sony Ericsson have some of the most popular diverse unlocked cell phones. Nokia, which is one of the leading manufacturers of music, navigation, video, TV, imaging, gaming and business mobility through cellular devices, releases new models almost every quarter.
Starting at $689.99 at most stores, the Nokia N95 8 GB cell phone is a wonderful phone from the Nokia line. If you love playing games and listening to music on your cell phone, you should consider a Nokia N81 8GB cell phone. The Nokia E65 Quadband GSM cell phone is perfect for mobile users who need mobile business capabilities. It has a variety of radiant colors for someone who wants a colorful phone. The Nokia E61i GSM smartphone has amazing email features that any user addicted to their email is a must have. The Nokia 7390 L’Amour cell phone is designed to suit the more classic cell phone user with an elegant built-in foldable design. Pioneers in wireless communications, Motorola’s best phones are designed to suit any individual need, for example, the Motorola W375 Triband GSM model or the Motorola V31 RaZR GSM. The Motorola A1200 Quadband smartphone and the Motorola KRZR K1 Quadband cell phone that retail for between $130 and $328. Sony Ericsson, which is known for its excellence in images and design, created the Sony Ericsson z-558i Triband with handwriting recognition functions on the touch screen. The Sony Ericsson z-710i Quadband is an incredible value with 3-click music download features and Bluetooth, all in the $200-$350 price range at retailers.
