25 Abbreviationsand Explanations - Silvercrest SH-100 Instructions Manual

Silvercrest SH-100
25 Abbreviationsand explanations
GSM Global System for Mobile Communications
SIM Subscriber Identity Module
PIN Personal Identity Number. Usually refers to the PIN1.
Supplied together with the SIM card. Serves to unlock the
SIM card.
PUK Personal Unlock Key. Supplied together with the SIM
card. Serves to unlock the SIM card if the wrong PIN is
entered three times. Can also be used to change the PIN.
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