
RYZ014 Modules
Use Cases with AT Commands
R19AN0075EU0150 Rev.1.50
Page 8 of 76
Mar.15.22
2.1.2.6 Enter PIN Code to Unlock SIM
Command
Response
Comment
Check current SIM card state
AT+CPIN?
CPIN: SIM PIN
OK
SIM PIN is required to unlock SIM card
Type PIN code to unlock with "1234" PIN code
AT+CPIN="1234"
ERROR
PIN code is not correct, SIM card is still locked
Type PIN code to unlock with "0000" PIN code
AT+CPIN="0000"
OK
PIN code is correct, SIM card unlocked
Check SIM card state
AT+CPIN?
+CPIN: READY
SIM card is present and unlocked, ready to use
2.1.2.7 Enter PUK Code to Unlock SIM
Command
Response
Comment
Check current SIM card state
AT+CPIN?
+CPIN: SIM PUK
OK
Require SIM PUK to unlock SIM card
Type PUK code to unlock with "12345678" PUK code
AT+CPIN="12345678"
ERROR
PUK code is not correct, SIM card is still locked
Type PUK code to unlock with "00000000" PUK code
AT+CPIN="00000000"
OK
PUK code is correct, SIM card unlocked
Check SIM card state
AT+CPIN?
+CPIN: READY
OK
SIM card is present and unlocked, ready to use