Hey @saeed, finally got around the time and money to get a new HAT to finish this IoT module… but I’m still having the same issue with a brand new HAT! 
Output of sudo ./quectel-CM -s <apn> which is still showing SIM_ABSENT:
pi@raspberrypi:~/files/quectel-CM $ sudo ./quectel-CM -s internet.emt.ee
[07-09_19:32:49:180] Quectel_QConnectManager_Linux_V1.6.0.12
[07-09_19:32:49:182] Find /sys/bus/usb/devices/1-1.1 idVendor=0x2c7c idProduct=0x306, bus=0x001, dev=0x004
[07-09_19:32:49:182] Auto find qmichannel = /dev/cdc-wdm0
[07-09_19:32:49:182] Auto find usbnet_adapter = wwan0
[07-09_19:32:49:182] netcard driver = qmi_wwan, driver version = 5.10.17-v7l+
[07-09_19:32:49:183] ioctl(0x89f3, qmap_settings) failed: Operation not supported, rc=-1
[07-09_19:32:49:183] Modem works in QMI mode
[07-09_19:32:49:196] cdc_wdm_fd = 7
[07-09_19:32:49:517] Get clientWDS = 20
[07-09_19:32:49:581] Get clientDMS = 1
[07-09_19:32:49:645] Get clientNAS = 2
[07-09_19:32:49:709] Get clientUIM = 2
[07-09_19:32:49:773] Get clientWDA = 1
[07-09_19:32:49:837] requestBaseBandVersion EP06ELAR03A06M4G
[07-09_19:32:50:093] requestGetSIMStatus SIMStatus: SIM_ABSENT
[07-09_19:32:50:093] requestSetProfile[1] internet.emt.ee///0
[07-09_19:32:50:221] requestGetProfile[1] internet.emt.ee///0
[07-09_19:32:50:285] requestRegistrationState2 MCC: 248, MNC: 1, PS: Detached, DataCap: UNKNOW
[07-09_19:32:50:349] requestQueryDataCall IPv4ConnectionStatus: DISCONNECTED
[07-09_19:32:50:349] ifconfig wwan0 down
[07-09_19:32:50:362] ifconfig wwan0 0.0.0.0
^C[07-09_19:32:56:398] QmiWwanThread exit
[07-09_19:32:56:400] qmi_main exit
Output of AT+CPIN? also still returning that the SIM not inserted:
pi@raspberrypi:~ $ sudo minicom -b 115200 -D /dev/ttyUSB2
Welcome to minicom 2.7.1
OPTIONS: I18n
Compiled on Aug 13 2017, 15:25:34.
Port /dev/ttyUSB2, 20:01:29
Press CTRL-A Z for help on special keys
AT
OK
ATI
Quectel
EP06
Revision: EP06ELAR03A06M4G
OK
AT+CMEE=2
OK
AT+CPIN?
+CME ERROR: SIM not inserted
And here are some pics…
Any ideas? Thanks in advance.