PC UE
OK
OK
AT+CLIP=1
Incoming call number display settings
AT^SCPBR=1,50
Read records in the name card holder
AT+CMGR=1
Read short messages
AT+CREG=1
Report network state and location information
AT+CPBS="SM"
phone book memory selection
AT+CSQ
Query signal strength
^SCPBR: 1,"123",129,"",129,"",129,"",129,"123",0,""
OK
OK
+CSQ: 100,99
OK
OK
AT^SYSINFO
Query system information
^SYSINFO: 2,3,0,3,1,,3
AT+CPIN="1234"
Verify PIN1 code
OK
AT+CPIN?
Query the current PIN code state
+CPIN: SIM PIN
AT+CGREG=1
Report GPRS network state
OK
AT^SCPBR=?
Read phone book records
^SCPBR: (1-250),32,14,0
AT+CNMI=2,1,2,2,0
Short message receiving mode settings
AT+CMGF=0
Short message format settings
OK
AT+CPMS="SM","SM","SM"
Short message storage selection
+CPMS:10,60,10,60,10,60
Query
IMSI
Verify
PIN1
code
Incoming
call
display
and
network
state
settings
Basic
short
message
settings
phone
book
settings
and
reading
Short
message
settings
and
reading
Poll
system
and
network
informati
on
OK
+CMGR: 1,,160
5F0640D916851505261628023A0050008254E83442291482
AT
AT+CMEE=1
Set error code report mode
OK
OK
AT+CLCK="SC",2
Query enabling state of the PIN1 code
ATE0
Not return characters received from MS
AT+CIMI
Query IMSI
+CME ERROR:11
OK
AT+CFUN?
Query CFUN state
AT+CFUN=1
Protocol stack opens radio frequency, initializes card and searches network
OK
OK
Power-on
initialized
settings
Power on
+CLCK: 0
+CFUN: 0
OK
OK
OK
AT+CIMI
Query IMSI (poll until succeed)
+CIMI: 460029520430007
OK
OK
OK
AT+CPBS?
Query the number of phone book records
+CPBS: "SM",1,60
OK
AT+CPMS?
Query the number of short message records
+CPMS:"SM",1,60,"SM",1,60,"SM",1,60
OK
AT+CMGD=?
Query the number of short message records and then read short messages according to the result returned by CMGD
+CMGD: (1-9,11),(0-4)
OK
AT+COPS=3,0
Set network report format
OK
AT+COPS?
Query registration network
+COPS: 0,0,"CHINA MOBILE",0
OK
AT+COPS=3,2
Set network report format
OK
AT+COPS?
Query registration network
+COPS: 0,0,"46000",0
OK
^CARDMODE:1
AT^CARDMODE
Query card type
OK
AT+CPIN="12345678","1234"
Verify PUK1 code and modify PIN1
OK
+CPIN: SIM PUK1
OK
Verify
PUK1
code
Query
whether
the PIN1
code is
enabled
If it is a
PIN1
code, skip
the code;
if it is a
PUK1
code, skip
the PIN1
code
verificatio
n.
PC UE
+CPIN: READY
+CIMI: 460029520430007
+CLCK: 1
OK
OK
PIN code
PIN code exists
PIN code exists
Continue
Continue
Continue
PIN code exists
Continue
OK
PC UE
AT^SYSINFO
Query system information
^SYSINFO: 1,0,0,15,0,,5
AT+CPBS="SM"
Set storage
+CME ERROR: 10
Power-on
initialized
settings
Power on
Poll and
check
whether
network is
successful
ly
registered
+CME ERROR: 10
OK
AT^SCPBR=?
Query phone book attributes
+CME ERROR: 10
+CME ERROR: 10
AT+CSQ
Query signal strength information
+CSQ: 132,99
OK
AT+COPS=3,0
Set network report format
OK
AT+COPS?
Query registration network
+COPS: 0
OK
AT+COPS=3,2
Set network report format
OK
AT+COPS?
Query registration network
+COPS: 0
OK
No card
Continue
No card
Poll and
check
whether
the card is
initialized
successful
ly
AT+CLCK="SC",2
Query the enabling state of PIN1 code
PUK1 code exist
AT+CPIN="1234"
Verify PIN1 code
OK
+CPIN: SIM PIN
OK
If PIN
code or
PUK1
code fails
to pass
verificatio
n, re-
query the
enabling
state until
the input
is correct.
AT+CPIN?
Query the current PIN state
+CLCK: 1
AT+CLCK="SC",2
Query the enabling state of PIN1 code
OK
OK
AT+CGDCONT=1,"IP"
PDP environment settings
+ZICCID: 89860460020298888265
+ZICCID: 89860460020298888265
+ZICCID: 89860460020298888265
AT+CLCK="SC",0,"1234"
unlock SIM Card
OK