Add Yahoo as a preferred source to see more of our stories on Google. When dealing with an unlocked or locked phone, the question is whether or not the device can work on a specific wireless network ...

White Plains. N.Y. – Nokia has begun to aggressively market its premium N series of GSM network cellular phones on an unlocked basis to online retailers, independent wireless specialists and national ...

Nokia has begun to aggressively market its premium N series of GSM network cellular phones on an unlocked basis to online retailers, independent wireless specialists and national and regional CE ...

I currently use T-mobile To Go, and am looking for a new phone. Previously on Ars someone told me i could use any unlocked GSM phone with my Sim and it would work. <BR><BR>I found a nice phone I like, ...

Nokia and Sony Ericsson are looking to crack the unlocked phone market in the U.S., but their quest will be an uphill battle. Marguerite Reardon started as a CNET News reporter in 2004, covering ...

Apple iPhone 6s As with the iPhone 7, if you want a truly unlocked iPhone 6s or iPhone 6s Plus, you'll need to get a Verizon or Sprint-compatible phone. These will also work on a GSM network. The AT&T ...

I am toying with the idea of buying my goat of a sister a new phone for Christmas. She is on Tmobile and I am fairly competent geek for most everything. If I am understanding correctly, a lot of the ...

Visitors to China are often perplexed to find that they can't access Twitter, Facebook or other sites. The reason isn't that they don't have access to cellular or WiFi networks; instead, it's state ...

Smartphone reviews often ignore an increasingly important feature: the ability to switch from one cellular carrier to another. Here's why that capability matters. The decline of long-term cellular ...