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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. In Germany only Telekom offers data tariffs for eSIMs so far.

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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