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It is important that a working SIM card is inserted in the device.

Code Block
# Verification of the SIM card
>	 AT+CPIN?
<	 +CPIN: READY
<	 OK

# Disable Echo
>	 ATE0
<	 OK

# Enable result code and use numeric values
>	 AT+CMEE=1
<	 OK

# Disable the UE from both transmitting and receiving RF signals
>	 AT+CFUN=4
<	 OK

# Manual deregister from network
>	 AT+COPS=2
<	 OK

# DiasableDisable power save mode
>	 AT+QPSMS=0
<	OK

# PSM Feature and Minimum Threshold Value Setting 
// ???
>	AT+QPSMCFG=20,4
<	OK

# Restore MAIN_RI Behavior to Inactive // ???
>	AT+QCFG="psm/enter",0
<	OK

# Restore MAIN_RI Behavior to Inactive
// ???
>	AT+QCFG="psm/urc",1
<	OK

# Configure URC Indication Option
// ???
>	> AT+QURCCFG="urcport","uart1usbmodem"
<	 OK

# AT+QINDCFG
// ???
>	Enable all URCs
> AT+QINDCFG="all",1,1
<	 OK

# Configuring Restorethe MAIN_RInetwork Behaviorcategory to Inactive
// ???
>	 search for under LTE RAT
# AT+QCFG="iotopmode",20,1 <	OK
for LTE-M
# Restore MAIN_RI Behavior to Inactive
// ???
>	AT+QCFG="iotopmode",1,1  for NB IoT
# AT+QCFG="bandiotopmode",02,0,80000
<	OK

# Restore MAIN_RI Behavior to Inactive
// ???
>	1  for LTE-M and NB-IoT
> AT+QCFG="nwscanseqiotopmode",002,1
<	 OK

# Restore MAIN_RI Behavior to Inactive
# // ???
>	AT+QCFG="servicedomain",2,1
<	OK


# Configure URC Indication Option
// ???
>	AT+QURCCFG="urcport","usbmodem"
<	bands 3 + 8 + 20 = 0x80084
> AT+QCFG="band",0,0x80084,0x80084
< OK

# URCConfigure IndicationService ConfigurationDomain
// ???
>	> AT+QINDCFGQCFG="allservicedomain",2,1
<	 OK

# Set UE Functionality
// ???
>	> AT+CFUN=1
<	 OK

# Configure parameters of a TCP/IP context
// ???
>	.
> AT+QICSGP=1,1,""
<	 OK

# AT+COPS=0 ? Enable automatic mode. or 
>	 AT+COPS=1,2,"26201",80
<	OK

// LTE-M or NB-IoT, Bänder, PLMN ??? OK