In line with the general trend of SIM card update, the company has improved the card punching and cutting technology and introduced reliable NanoSIM(4FF) and MicroSIM(3FF) card products.NanoSIM is 25% smaller than MicroSIM and contains all the functions of a standard traditional SIM card;The advanced punching and cutting technology is used to realize one card and multiple cutting. Meanwhile, the seamless punching and cutting technology enables the 3FF/4FF to be closely connected with the card cover. When the 3FF/4FF is restored to the card cover, it will become the size of the traditional 2FF card and can be used in the traditional ordinary mobile phone.Its smaller size will free up space for increased memory, larger batteries and a denser motherboard arrangement, helping handset makers make thinner products.
The 4FF card is short for the Fourth Form Factor SIM, or Nano SIM.
The 3FF card is short for the Third Form Factor SIM, also known as Micro SIM or mini-uicc.
The 2FF card is short for 2nd Form Factor SIM, the standard size plug-in SIM card.
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