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SIM Cards


Mobile phones are usable worldwide in different cellular networks. To let the network providers provide their customers access to their networks and assign a phone number SIM cards are used. Over the years the cards became smaller and smaller. From Full-size SIM via Mini-SIM, Mico-SIM and Nano-SIM and finally the Embedded SIM (eSIM). This page shows an overview.

The latest development is the eSIM. It is a chip which is fix installed within the mobile. Thus the user can choos the cellular network and a tariff directly from the mobile. Inserting a physical SIM is no longer needed.

Card Types

SIM Card size comparison


Type Introduced Size in mm First device
Full-size SIM 1992 85,60 x 53,98 x 0,76 >Motorola International 3200
Mini-SIM 1992 25,00 x 15,00 x 0,76 >Nokia 1011
Micro-SIM 2010 15,00 x 12,00 x 0,76 >Apple iPhone 4 & iPad
Nano-SIM 2012 12,30 x 8,80 x 0,67 >Apple iPhone 5
Embedded SIM 2014 6,00 x 5,00 x 0,67 >Xiaomi Mi 5

Recommended Links

>The Skyynet Mobile Phones Database shows the used SIM type for all devices


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