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INSYS GSM 4.3
Functions
In order to check the status of the PIN re-
quest between device and SIM card, use
the command
AT+CPIN?
The following replies inform about the status of the PIN request:
No entry required
READY
PIN of the SIM card missing
SIM PIN
PUK entry required (after repeated incorrect
entry of the PIN)
SIM PUK
SIM carte not or not correctly inserted
+CME Error:
SIM not inserted
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