Choosing your handset independently of your network operator is fairly novel in the U.S. Once you get your unlocked Nokia phone (at an unsubsidized cost in the $700-ish range), you pop the ...

It's the easiest to just get it unlocked here and bring it over and get a prepaid SIM while there. It'll cost like $30 to unlock it, as opposed to the cost of a phone over there.<BR><BR>Most ...

Unlocked phones are also available only for GSM networks. In the U.S. market, that means they can be used on two of the four large nationwide carriers, Cingular and T-Mobile.

There are often very specific rules that you have to follow before you can unlock a phone. For example, the phone can't be reported stolen or missing, needs to have been paid for in full, and might ...

Sprint and Verizon Wireless will both offer iPhone 4S handsets that will be GSM-unlocked, a new report states. Macworld on Tuesday confirmed that iPhone 4S units sold by Sprint will be GSM ...

Researchers have demonstrated an alarmingly simple technique for eavesdropping on individual GSM mobile calls without the need to use expensive, specialised equipment. During a session at the ...

That means that 2.4 million handsets have been sold and registered. That leaves 1.3 million handsets unaccounted for. That's a whopping 35% of all iPhones sold.

There is also an inter-carrier arrangement for the blocking of GSM mobiles. Before 2002, the carrier only blocked a user's SIM card, meaning a handset could simply be re-used with a new SIM card.

Apple on Tuesday began selling unlocked iPhone 4 handsets in the U.S. a day earlier than expected. The smartphone is now available in 16GB for $649 or 32GB for $749, and both models come in black ...

At CES, we suspect that unlocked phones will be plentiful. On a similar note, there should be more CDMA/GSM handsets like the Motorola Z6c. Smartphones ...