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•Jul 7, 2019
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What SIM does stand for? It means
subscriber identity module or subscriber identification module.
The first SIM card in the world was developed in 1991 by the German company
Giesecke & Devrient. They sold 300 SIM cards to Radiolinja, a Finnish
wireless network operator. In 1992, they sold the first GSM mobile phone with a
SIM card; it was a Nokia 1101. Today, it’s hard to find a person who’s never
used a SIM card – over 7 billion gadgets around the world use them to make
calls, send SMS and surf the web. Why do I need a SIM card? Can my phone work
without a SIM card? How does a SIM card work? Can someone track my location
with the help of a SIM card? Do SIM cards break? Why are SIM cards getting
smaller? The future of SIM cards #simcard #phone #brightside Music by Epidemic Sound https://www.epidemicsound.com/
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