We have featured quite a few different cases for the new iPhone 4 here at Geeky Gadgets. This new one has an interesting function: the iPhone 4 Dual Sim Adapter Case. As the name suggests, the iPhone ...

If for some reason you find yourself toting around one cellphone and two sim cards at the same time, you might want to look into purchasing a dual sim adapter like the one on the right. The Powerful ...

Are there any smartphones worth using that can take two SIM cards? I've been toying with getting a smartphone, and being able to consolidate my 2 phones into 1 would definitely be a plus.

The iPhone 4 can do plenty, even play nicely on other GSM networks when you've unlocked it with ultrasn0w, but up until now you couldn't put two SIM cards inside it. USBfever's new iPhone 4 Dual SIM ...

This transparent iPhone 4 case doesn’t exactly look great, but it comes with a clever feature: A dual-SIM adapter. It means that you can keep two SIM cards attached to your iPhone and toggle between ...

If you use a smartphone for work and you don't have access to a dual-SIM handset, this usually means carrying two phones around. A new device aims to provide a simple alternative: Piece is an adapter ...

What does the next ten years hold for the smartphone? Here's a few ideas. This small box, which fits neatly into the palm of your hand, allows you to make and receive calls, surf the internet at high ...

A company called Vaveliero has developed an iPhone 4 case that gives you easy access to two different mobile accounts. The kit replaces the iPhone 4’s microSIM tray with an external dual SIM adapter ...

Although there are lots of dual SIM phones in the world today, few make the compromise of offering the second SIM card slot with a microSD card slot. This means that you can either use a second SIM ...

If you are currently carrying more than one smartphone to answer calls from more than one number, you may be interested in a new triple SIM adapter which is being created by a team based in ...

SIM – the Subscriber Identity Module – is an ever-shrinking card that acts as your access pass to the carrier’s cell network. Once it was used to store your phone book and text messages, now it’s ...