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 ...

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 ...

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, ...

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 ...

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 ...

While I was in Europe last year, I brought along an unlocked phone and purchased refillable SIM cards as I hopped from one country to the next. It was incredibly simple: I bought a SIM card from a ...

The cellular provider that your company uses can determine if you must use cellphones proprietary to that provider, or if you can switch to a cellphone from another provider, while under your current ...

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 ...