![]() ![]() UICCs are considered “universal” since their delivery platforms work with virtually any 3G or 4G device and support multiple cellular networks and applications. That way, the service provider knows your plan and the services you’ve subscribed to. Each card also has a unique identifier that links the specific device it is to its corresponding wireless carrier. These tiny cards – smaller than the size of a thumbnail –have a built-in integrated circuit that contains a processor, RAM, ROM, and non-volatile memory (NVRAM). Early 2G and 3G systems used Integrated Circuit Cards (ICCs), which UICCs have since replaced. Although UICCs have a wide variety of applications, they are largely used as mobile phone SIM cards. A Universal Integrated Circuit Card, or UICC for short, is a new-generation smart card designed to work with 3G, 4G, and LTE technologies. ![]()
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