Unlock your Cell Phone
If you own a GSM type cellphone that you purchased at a discounted price when you signed up for service, the chances are that the cell phone company has 'locked' your phone so it will only work with their service.
Phones are naturally unlocked, but a service provider might lock them.
When originally manufactured, all GSM cell phones are unlocked. That is, they can be used with any SIM from any cellphone service provider - always assuming, of course, that the cellphone service provider has compatible GSM service on the same frequency bands that the phone can operate on. Fortunately, this locking is reversible. With some phones, it is possible to simply enter an unlocking password code into the phone and it is immediately then unlocked. Other phones need to be connected up to a special unlocking data terminal.
The GSM Unlocked Cell Phone
GSM is implemented on different frequencies across the planet. Your international destination(s) will determine which frequencies you will need. In summary:
Some phones switch between bands automatically while others must be set manually (this is no big deal). The Motorola Timeport demonstrates a manualband selection. The 2 options are GSM 900/1800 (for your trip to London) or GSM 1900 (for when you return to North America). There are many cell phones for your review at China Mobile Phones or the Cell Phone Sale link on the navigation bar.
Have A Story About Unlock Cell Phone ?Share your story, tips or review about unlock cell phone ? Help others on their international trip or at home. More Service for Your International Trip: PC Aircard
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