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A subscriber identity module or subscriber identification module ( SIM ) is an integrated circuit chip that is intended to securely store the international mobile subscriber identity (IMSI) number and its related key , which are used to identify and authenticate subscribers on mobile telephony devices (such as mobile phones and computers ). It is also possible to store contacts on many SIM cards. SIM cards are always used on GSM phones; for CDMA phones, they are only needed for newer LTE -capable handsets.
The SIM circuit is part of the function of a Universal Integrated Circuit Card (UICC) physical smart card , which is usually made of PVC with embedded contacts and semiconductors . "SIM cards" are designed to be transferable between different mobile devices. The first UICC smart cards were the size of credit and bank cards; the development of physically smaller mobile devices has prompted the development of smaller SIM cards, where the size of the plastic carrier is reduced while keeping electrical contacts
Un bonus dans lequel on décortique une carte SIM pour téléphone portable afin d'en faire l'analyse de la surface du circuit intégré qu'elle renferme. - Deus Ex Silicium - Site web _____________________ http://www.dexsilicium.com Facebook ____________________ https://www.facebook.com/dexsilicium Twitter _______________________ https://twitter.com/dexsilicium Soundcloud __________________ https://bit.ly/3e2brVf