A micro SIM-card is inserted into an Apple iphone 4 smartphone.
A SIM-card is inserted into an Apple iphone 4 smartphone. The SIM ("Subscriber Identity Module") card holds security keys to identify and authenticate mobile telephony data.
Size: 3855px × 4912px
Location: Switzerland
Photo credit: © EThamPhoto / Alamy / Afripics
License: Licensed
Model Released: No
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