Sim Cards - Explanation
SIM Card Type Physical Size Year of Introduction Generation Name (Form Factor) Terminology
SIM - Subscriber Identity Module ICCID
Full Size 85.6mm × 53.98mm × 0.76 mm 1991 FF1 IMSI
Standard / Mini 25mm x 15mm x 0.76mm 1996 FF2 IMEI
Micro 15mm x 12mm x 0.76mm 2003 FF3 MSISDN
Nano 12.3mm × 8.8mm × 0.67mm 2012 FF4 KI AND ADM KEYS
eSim (Non-Removable) 6mm x 5mm x <1mm 2016 eUICCID (embedded Universal Integrated Circuit Card) OPC
ICCID (Integrated Circuit Card Identifier) This is a number located on a SIM card itself that acts as a personal identifier

 

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