The SIM cards that fit into those tiny slots in your cell phone and tell your cellular network to whom your calls are to be charged come in four different sizes. With the only real difference between ...

Ever get a new phone and have a completely different sized SIM card that needs to fit inside versus the one you already own? Sometimes network operators are nice enough to just give you a new sized ...

Piece is about the size of a credit card, albeit it a little thicker, measuring 83 x 55 x 4 mm (3.3 x 2.2 x 0.2 in). Users slot a secondary SIM card (either a Micro SIM or a Nano SIM if used with a ...

Apple wants to take the SIM cards used in GSM phones even smaller. The iPhone-maker has proposed the smaller format to the European telecoms standards body and French carrier Orange is behind the ...

A Switzerland-based smartphone solutions company called SIMore has developed a new multi-SIM adapter that lets people make use three SIM cards in smartphones that support a single SIM. Apart from the ...