Subscriber identity module - Wikipedia, the free encyclopedia

Full-size SIM [edit] The full-size SIM (or 1FF, 1st form factor) was the first form factor to appear. It has the size of a credit card (85.60 mm × 53.98 mm × 0.76 mm). Mini-SIM [edit] The mini-SIM (or 2FF) card has the same contact arrangement as the full

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