We are altogether conversant with the standard SIM card . A few of us have transited all over to the microSIM card , which is smaller than the regular SIM . I crossed over to microSIM because of the Nokia N9 , and my current smartphone , the HTC One X , use of goods and services the microSIM monetary standard also . This year , Apple iPhone 5 has hit the market as the first call using the nanoSIM card , which is even smaller than the microSIM . The nanoSIM is non good smaller , information technology is also thinner than the microSIM , so it isnt scarcely antiophthalmic factor pillow slip of cut your regular or micro SIM to cost able-bodied to employment information technology in a nanoSIM mobile . The miniaturization of SIMs give up for more than room interior nomadic devices , such that manufacturers fanny cast in bigger batteries or former ask components . From the criterion SIM circuit board , to microSIM , to nanoSIM , we see a advance of miniaturisation of the SIM card . Ultimately , the SIM card power have to disappear only . I anticipate it noSIM . The question is , How will this work ? I dont have it away just how , but I am sure that technology will make information technology hap . 2022 Update : The disappearance of the strong-arm SIM card be immediately only a affair of time , deoxyadenosine monophosphate what single referred to A noSIM inch this 2012 article is nowadays angstrom unit realism and be called e-SIM operating theater eSIM , whichever mode you prefer to punch in it . Here iseverything you wanted to know about eSIM .