Hi,
i'm not getting any signal with a fresh DK and the latest modem driver.
AT+CESQ +CESQ: 99,99,255,255,255,255 OK
entering AT+COPS=? will make it unresponsive forever. (nordic LTE Link monitor times out, and no AT commands are possible before hard reset).
does not matter which simcard i use. The one i'm testing right now from telekom works just fine in a simcom lte-m modem.
unfortunately the devzone has no way to attach files, so i uploaded the trace file here:
Hi a3p,
Which network are you trying to connect to? LTE-M or NB-IoT?
You can switch this by the AT command: xsystemmode
Please share the full output from LTE link monitor.
Best Regards,
Martin L.
thats with CAT-M1 which i know works with the same sim, same antenna, different modem.
i also tried NB-IOT with the same result.
***** Booting Zephyr OS v1.14.99-ncs1-rc1-4-g94b7d5affeea ***** Flash region Domain Permissions 00 0x00000 0x02000 Secure rwxl 01 0x02000 0x04000 Non-Secure rwxl 02 0x04000 0x06000 Non-Secure rwxl 03 0x06000 0x08000 Non-Secure rwxl 04 0x08000 0x0a000 Non-Secure rwxl 05 0x0a000 0x0c000 Non-Secure rwxl 06 0x0c000 0x0e000 Non-Secure rwxl 07 0x0e000 0x10000 Non-Secure rwxl 08 0x10000 0x12000 Non-Secure rwxl 09 0x12000 0x14000 Non-Secure rwxl 10 0x14000 0x16000 Non-Secure rwxl 11 0x16000 0x18000 Non-Secure rwxl 12 0x18000 0x1a000 Non-Secure rwxl 13 0x1a000 0x1c000 Non-Secure rwxl 14 0x1c000 0x1e000 Non-Secure rwxl 15 0x1e000 0x20000 Non-Secure rwxl 16 0x20000 0x22000 Non-Secure rwxl 17 0x22000 0x24000 Non-Secure rwxl 18 0x24000 0x26000 Non-Secure rwxl 19 0x26000 0x28000 Non-Secure rwxl 20 0x28000 0x2a000 Non-Secure rwxl 21 0x2a000 0x2c000 Non-Secure rwxl 22 0x2c000 0x2e000 Non-Secure rwxl 23 0x2e000 0x30000 Non-Secure rwxl 24 0x30000 0x32000 Non-Secure rwxl 25 0x32000 0x34000 Non-Secure rwxl 26 0x34000 0x36000 Non-Secure rwxl 27 0x36000 0x38000 Non-Secure rwxl 28 0x38000 0x3a000 Non-Secure rwxl 29 0x3a000 0x3c000 Non-Secure rwxl 30 0x3c000 0x3e000 Non-Secure rwxl 31 0x3e000 0x40000 Non-Secure rwxl SRAM region Domain Permissions 00 0x00000 0x01000 Secure rwxl 01 0x01000 0x02000 Secure rwxl 02 0x02000 0x03000 Secure rwxl 03 0x03000 0x04000 Secure rwxl 04 0x04000 0x05000 Secure rwxl 05 0x05000 0x06000 Secure rwxl 06 0x06000 0x07000 Secure rwxl 07 0x07000 0x08000 Secure rwxl 08 0x08000 0x09000 Non-Secure rwxl 09 0x09000 0x0a000 Non-Secure rwxl 10 0x0a000 0x0b000 Non-Secure rwxl 11 0x0b000 0x0c000 Non-Secure rwxl 12 0x0c000 0x0d000 Non-Secure rwxl 13 0x0d000 0x0e000 Non-Secure rwxl 14 0x0e000 0x0f000 Non-Secure rwxl 15 0x0f000 0x10000 Non-Secure rwxl 16 0x10000 0x11000 Non-Secure rwxl 17 0x11000 0x12000 Non-Secure rwxl 18 0x12000 0x13000 Non-Secure rwxl 19 0x13000 0x14000 Non-Secure rwxl 20 0x14000 0x15000 Non-Secure rwxl 21 0x15000 0x16000 Non-Secure rwxl 22 0x16000 0x17000 Non-Secure rwxl 23 0x17000 0x18000 Non-Secure rwxl 24 0x18000 0x19000 Non-Secure rwxl 25 0x19000 0x1a000 Non-Secure rwxl 26 0x1a000 0x1b000 Non-Secure rwxl 27 0x1b000 0x1c000 Non-Secure rwxl 28 0x1c000 0x1d000 Non-Secure rwxl 29 0x1d000 0x1e000 Non-Secure rwxl 30 0x1e000 0x1f000 Non-Secure rwxl 31 0x1f000 0x20000 Non-Secure rwxl Peripheral Domain Status 00 NRF_P0 Non-Secure OK 01 NRF_CLOCK Non-Secure OK 02 NRF_RTC1 Non-Secure OK 03 NRF_NVMC Non-Secure OK 04 NRF_UARTE1 Non-Secure OK 05 NRF_UARTE2 Secure SKIP 06 NRF_IPC Non-Secure OK 07 NRF_VMC Non-Secure OK 08 NRF_FPU Non-Secure ERROR 09 NRF_EGU1 Non-Secure OK 10 NRF_EGU2 Non-Secure OK 11 NRF_TWIM2 Non-Secure OK 12 NRF_SPIM3 Non-Secure OK 13 NRF_TIMER0 Non-Secure OK 14 NRF_TIMER1 Non-Secure OK 15 NRF_TIMER2 Non-Secure OK 16 NRF_SAADC Non-Secure OK 17 NRF_GPIOTE1 Non-Secure OK SPM: MSP_NS 20023af0 SPM: prepare to jump to Non-Secure image ***** Booting Zephyr OS v1.14.99-ncs1-rc1-4-g94b7d5affeea ***** The AT host sample with modem Tracing enabled STARTED Modem Trace Enabled: OK AT+COPS? +COPS: 0 OK AT+COPS=? ERROR AT+COPS? +COPS: 0 OK AT+COPS=? ERROR AT+%xsystemmode ERROR AT+xsystemmode ERROR AT+xsystemmode=? ERROR AT+xsystemmode? ERROR AT+CFUN? +CFUN: 4 OK AT+CFUN=1 OK AT+CFUN=? +CFUN: (0,1,4,44) OK AT+CFUN ERROR AT+CFUN? +CFUN: 1 OK AT+CGSN=1 +CGSN: "352656100049496" OK AT+CGMI Nordic Semiconductor ASA OK AT+CGMM nRF9160-SICA OK AT+CGMR mfw_nrf9160_1.0.0 OK AT+CEMODE? +CEMODE: 2 OK AT%XCBAND=? %XCBAND: (1,2,3,4,5,8,12,13,14,17,18,19,20,25,26,28,66) OK AT+CMEE? +CMEE: 0 OK AT+CMEE=1 OK AT+CNEC? +CNEC: 0 OK AT+CNEC=24 OK AT+CGEREP? +CGEREP: 0,0 OK AT+CGDCONT? OK AT+CGACT? OK AT+CGEREP=1 OK AT+CIND=1,1,1 OK AT+CEREG=2 OK AT+CEREG? +CEREG: 2,4,"FFFE","FFFFFFFF",7 OK AT%CESQ=1 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT%XSIM=1 OK AT%XSIM? %XSIM: 1 OK AT+CPIN? +CPIN: READY OK AT+CPINR="SIM PIN" +CPINR: "SIM PIN",3 OK AT+CIMI 901405100339470 OK AT%XSYSTEMMODE? %XSYSTEMMODE: 1,0,0,0 OK %CESQ: 255,0 +CEREG: 2,"FFFE","FFFFFFFF",7 AT%XSYSTEMMODE=1,1,1,1 +CME ERROR: 518 AT%XSYSTEMMODE=1,1,1,0 +CME ERROR: 518 AT+CFUN? +CFUN: 1 OK AT+CGSN=1 +CGSN: "352656100049496" OK AT+CGMI Nordic Semiconductor ASA OK AT+CGMM nRF9160-SICA OK AT+CGMR mfw_nrf9160_1.0.0 OK AT+CEMODE? +CEMODE: 2 OK AT%XCBAND=? %XCBAND: (1,2,3,4,5,8,12,13,14,17,18,19,20,25,26,28,66) OK AT+CMEE? +CMEE: 1 OK AT+CNEC? +CNEC: 24 OK AT+CGEREP? +CGEREP: 1,0 OK AT+CIND=1,1,1 OK AT+CEREG=2 OK AT+CEREG? +CEREG: 2,2,"FFFE","FFFFFFFF",7 OK AT%CESQ=1 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT%XSIM=1 OK AT%XSIM? %XSIM: 1 OK AT+CPIN? +CPIN: READY OK AT+CPINR="SIM PIN" +CPINR: "SIM PIN",3 OK AT+CIMI 901405100339470 OK ***** Booting Zephyr OS v1.14.99-ncs1-rc1-4-g94b7d5affeea ***** Flash region Domain Permissions 00 0x00000 0x02000 Secure rwxl 01 0x02000 0x04000 Non-Secure rwxl 02 0x04000 0x06000 Non-Secure rwxl 03 0x06000 0x08000 Non-Secure rwxl 04 0x08000 0x0a000 Non-Secure rwxl 05 0x0a000 0x0c000 Non-Secure rwxl 06 0x0c000 0x0e000 Non-Secure rwxl 07 0x0e000 0x10000 Non-Secure rwxl 08 0x10000 0x12000 Non-Secure rwxl 09 0x12000 0x14000 Non-Secure rwxl 10 0x14000 0x16000 Non-Secure rwxl 11 0x16000 0x18000 Non-Secure rwxl 12 0x18000 0x1a000 Non-Secure rwxl 13 0x1a000 0x1c000 Non-Secure rwxl 14 0x1c000 0x1e000 Non-Secure rwxl 15 0x1e000 0x20000 Non-Secure rwxl 16 0x20000 0x22000 Non-Secure rwxl 17 0x22000 0x24000 Non-Secure rwxl 18 0x24000 0x26000 Non-Secure rwxl 19 0x26000 0x28000 Non-Secure rwxl 20 0x28000 0x2a000 Non-Secure rwxl 21 0x2a000 0x2c000 Non-Secure rwxl 22 0x2c000 0x2e000 Non-Secure rwxl 23 0x2e000 0x30000 Non-Secure rwxl 24 0x30000 0x32000 Non-Secure rwxl 25 0x32000 0x34000 Non-Secure rwxl 26 0x34000 0x36000 Non-Secure rwxl 27 0x36000 0x38000 Non-Secure rwxl 28 0x38000 0x3a000 Non-Secure rwxl 29 0x3a000 0x3c000 Non-Secure rwxl 30 0x3c000 0x3e000 Non-Secure rwxl 31 0x3e000 0x40000 Non-Secure rwxl SRAM region Domain Permissions 00 0x00000 0x01000 Secure rwxl 01 0x01000 0x02000 Secure rwxl 02 0x02000 0x03000 Secure rwxl 03 0x03000 0x04000 Secure rwxl 04 0x04000 0x05000 Secure rwxl 05 0x05000 0x06000 Secure rwxl 06 0x06000 0x07000 Secure rwxl 07 0x07000 0x08000 Secure rwxl 08 0x08000 0x09000 Non-Secure rwxl 09 0x09000 0x0a000 Non-Secure rwxl 10 0x0a000 0x0b000 Non-Secure rwxl 11 0x0b000 0x0c000 Non-Secure rwxl 12 0x0c000 0x0d000 Non-Secure rwxl 13 0x0d000 0x0e000 Non-Secure rwxl 14 0x0e000 0x0f000 Non-Secure rwxl 15 0x0f000 0x10000 Non-Secure rwxl 16 0x10000 0x11000 Non-Secure rwxl 17 0x11000 0x12000 Non-Secure rwxl 18 0x12000 0x13000 Non-Secure rwxl 19 0x13000 0x14000 Non-Secure rwxl 20 0x14000 0x15000 Non-Secure rwxl 21 0x15000 0x16000 Non-Secure rwxl 22 0x16000 0x17000 Non-Secure rwxl 23 0x17000 0x18000 Non-Secure rwxl 24 0x18000 0x19000 Non-Secure rwxl 25 0x19000 0x1a000 Non-Secure rwxl 26 0x1a000 0x1b000 Non-Secure rwxl 27 0x1b000 0x1c000 Non-Secure rwxl 28 0x1c000 0x1d000 Non-Secure rwxl 29 0x1d000 0x1e000 Non-Secure rwxl 30 0x1e000 0x1f000 Non-Secure rwxl 31 0x1f000 0x20000 Non-Secure rwxl Peripheral Domain Status 00 NRF_P0 Non-Secure OK 01 NRF_CLOCK Non-Secure OK 02 NRF_RTC1 Non-Secure OK 03 NRF_NVMC Non-Secure OK 04 NRF_UARTE1 Non-Secure OK 05 NRF_UARTE2 Secure SKIP 06 NRF_IPC Non-Secure OK 07 NRF_VMC Non-Secure OK 08 NRF_FPU Non-Secure ERROR 09 NRF_EGU1 Non-Secure OK 10 NRF_EGU2 Non-Secure OK 11 NRF_TWIM2 Non-Secure OK 12 NRF_SPIM3 Non-Secure OK 13 NRF_TIMER0 Non-Secure OK 14 NRF_TIMER1 Non-Secure OK 15 NRF_TIMER2 Non-Secure OK 16 NRF_SAADC Non-Secure OK 17 NRF_GPIOTE1 Non-Secure OK SPM: MSP_NS 20023af0 SPM: prepare to jump to Non-Secure image ***** Booting Zephyr OS v1.14.99-ncs1-rc1-4-g94b7d5affeea ***** The AT host sample with modem Tracing enabled STARTED Modem Trace Enabled: OK AT%XSYSTEMMODE=1,1,1,2 ERROR AT%XSYSTEMMODE=1,1,0,2 ERROR AT%XSYSTEMMODE=0,1,0,0 OK AT+CFUN ERROR AT+CFUN? +CFUN: 4 OK AT+CFUN=1 OK AT+CFUN ERROR AT+CFUN=1 OK AT+CFUN? +CFUN: 1 OK AT+CGSN=1 +CGSN: "352656100049496" OK AT+CGMI Nordic Semiconductor ASA OK AT+CGMM nRF9160-SICA OK AT+CGMR mfw_nrf9160_1.0.0 OK AT+CEMODE? +CEMODE: 0 OK AT%XCBAND=? %XCBAND: (1,2,3,4,5,8,12,13,17,19,20,25,26,28,66) OK AT+CMEE? +CMEE: 0 OK AT+CMEE=1 OK AT+CNEC? +CNEC: 0 OK AT+CNEC=24 OK AT+CGEREP? +CGEREP: 0,0 OK AT+CGDCONT? OK AT+CGACT? OK AT+CGEREP=1 OK AT+CIND=1,1,1 OK AT+CEREG=2 OK AT+CEREG? +CEREG: 2,4,"FFFE","FFFFFFFF",9 OK AT%CESQ=1 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT%XSIM=1 OK AT%XSIM? %XSIM: 1 OK AT+CPIN? +CPIN: READY OK AT+CPINR="SIM PIN" +CPINR: "SIM PIN",3 OK AT+CIMI 901405100339470 OK
attached is the complete nrf connect session
Hi a3p,
It does look like you are using an older version than NCS v1.0.0?
Please try to use this precompiled at_client: merged.hex
You can flash it using the programmer app in nrf connect for desktop or by the command line: nrfjprog --program merged.hex -f nrf91 -r --sectorerase --verify
Since you are mentioning "same antenna" are you using an external antenna on the nRF91 DK? Please keep this in mind
Please send a new Log using LTE Link Monitor and just let the application run through the script by sending the AT command: AT+CFUN?
Are you using the iBasis SIM card provided with the kit?
Best regards,
Martin L.
no, i tried v1.0.0 as well as master
same issue with the hex you provided.
same with external or internal antenna.
same issue with the included iBasis Sim as well as a known working Telekom sim
AT+CFUN? +CFUN: 1 OK AT+CGSN=1 +CGSN: "352656100049496" OK AT+CGMI Nordic Semiconductor ASA OK AT+CGMM nRF9160-SICA OK AT+CGMR mfw_nrf9160_1.0.0 OK AT+CEMODE? +CEMODE: 2 OK AT%XCBAND=? %XCBAND: (1,2,3,4,5,8,12,13,14,17,18,19,20,25,26,28,66) OK AT+CMEE? +CMEE: 1 OK AT+CNEC? +CNEC: 24 OK AT+CGEREP? +CGEREP: 1,0 OK AT+CIND=1,1,1 OK AT+CEREG=2 OK AT+CEREG? +CEREG: 2,2,"FFFE","FFFFFFFF",7 OK AT%CESQ=1 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT%XSIM=1 OK AT%XSIM? %XSIM: 1 OK AT+CPIN? +CPIN: READY OK AT+CPINR="SIM PIN" +CPINR: "SIM PIN",3 OK AT+CIMI 204080813514708 OK ***** Booting Zephyr OS v1.14.99-ncs2 ***** The AT host sample started AT OK AT+CFUN? +CFUN: 4 OK AT+CFUN=1 OK AT+CFUN? +CFUN: 1 OK AT+CGSN=1 +CGSN: "352656100049496" OK AT+CGMI Nordic Semiconductor ASA OK AT+CGMM nRF9160-SICA OK AT+CGMR mfw_nrf9160_1.0.0 OK AT+CEMODE? +CEMODE: 2 OK AT%XCBAND=? %XCBAND: (1,2,3,4,5,8,12,13,14,17,18,19,20,25,26,28,66) OK AT+CMEE? +CMEE: 0 OK AT+CMEE=1 OK AT+CNEC? +CNEC: 0 OK AT+CNEC=24 OK AT+CGEREP? +CGEREP: 0,0 OK AT+CGDCONT? OK AT+CGACT? OK AT+CGEREP=1 OK AT+CIND=1,1,1 OK AT+CEREG=2 OK AT+CEREG? +CEREG: 2,4,"FFFE","FFFFFFFF",7 OK AT%CESQ=1 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT%XSIM=1 OK AT%XSIM? %XSIM: 1 OK AT+CPIN? +CPIN: READY OK AT+CPINR="SIM PIN" +CPINR: "SIM PIN",3 OK AT+CIMI 204080813514708 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK
no, i tried v1.0.0 as well as master
same issue with the hex you provided.
same with external or internal antenna.
same issue with the included iBasis Sim as well as a known working Telekom sim
AT+CFUN? +CFUN: 1 OK AT+CGSN=1 +CGSN: "352656100049496" OK AT+CGMI Nordic Semiconductor ASA OK AT+CGMM nRF9160-SICA OK AT+CGMR mfw_nrf9160_1.0.0 OK AT+CEMODE? +CEMODE: 2 OK AT%XCBAND=? %XCBAND: (1,2,3,4,5,8,12,13,14,17,18,19,20,25,26,28,66) OK AT+CMEE? +CMEE: 1 OK AT+CNEC? +CNEC: 24 OK AT+CGEREP? +CGEREP: 1,0 OK AT+CIND=1,1,1 OK AT+CEREG=2 OK AT+CEREG? +CEREG: 2,2,"FFFE","FFFFFFFF",7 OK AT%CESQ=1 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT%XSIM=1 OK AT%XSIM? %XSIM: 1 OK AT+CPIN? +CPIN: READY OK AT+CPINR="SIM PIN" +CPINR: "SIM PIN",3 OK AT+CIMI 204080813514708 OK ***** Booting Zephyr OS v1.14.99-ncs2 ***** The AT host sample started AT OK AT+CFUN? +CFUN: 4 OK AT+CFUN=1 OK AT+CFUN? +CFUN: 1 OK AT+CGSN=1 +CGSN: "352656100049496" OK AT+CGMI Nordic Semiconductor ASA OK AT+CGMM nRF9160-SICA OK AT+CGMR mfw_nrf9160_1.0.0 OK AT+CEMODE? +CEMODE: 2 OK AT%XCBAND=? %XCBAND: (1,2,3,4,5,8,12,13,14,17,18,19,20,25,26,28,66) OK AT+CMEE? +CMEE: 0 OK AT+CMEE=1 OK AT+CNEC? +CNEC: 0 OK AT+CNEC=24 OK AT+CGEREP? +CGEREP: 0,0 OK AT+CGDCONT? OK AT+CGACT? OK AT+CGEREP=1 OK AT+CIND=1,1,1 OK AT+CEREG=2 OK AT+CEREG? +CEREG: 2,4,"FFFE","FFFFFFFF",7 OK AT%CESQ=1 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT%XSIM=1 OK AT%XSIM? %XSIM: 1 OK AT+CPIN? +CPIN: READY OK AT+CPINR="SIM PIN" +CPINR: "SIM PIN",3 OK AT+CIMI 204080813514708 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK
Hi a3p,
How long do you typically wait for a connection?
The first time you do this, it can take up to 3-5 minutes. (and the response from CESQ will show 255 until you get a response from the eNB)
e.g.
***** Booting Zephyr OS v1.14.99-ncs2 ***** The AT host sample started AT+CFUN? +CFUN: 4 OK AT+CFUN=1 OK AT+CFUN? +CFUN: 1 OK AT+CGSN=1 +CGSN: "352656100037632" OK AT+CGMI Nordic Semiconductor ASA OK AT+CGMM nRF9160-SICA OK AT+CGMR mfw_nrf9160_1.0.0 OK AT+CEMODE? +CEMODE: 2 OK AT%XCBAND=? %XCBAND: (1,2,3,4,5,8,12,13,14,17,18,19,20,25,26,28,66) OK AT+CMEE? +CMEE: 0 OK AT+CMEE=1 OK AT+CNEC? +CNEC: 0 OK AT+CNEC=24 OK AT+CGEREP? +CGEREP: 0,0 OK AT+CGDCONT? OK AT+CGACT? OK AT+CGEREP=1 OK AT+CIND=1,1,1 OK AT+CEREG=2 OK AT+CEREG? +CEREG: 2,4,"FFFE","FFFFFFFF",7 OK AT%CESQ=1 OK AT+CESQ +CESQ: 99,99,255,255,255,255 OK AT%XSIM=1 OK AT%XSIM? %XSIM: 1 OK AT+CPIN? +CPIN: READY OK AT+CPINR="SIM PIN" +CPINR: "SIM PIN",3 OK AT+CIMI 204080813512754 OK at+cesq +CESQ: 99,99,255,255,255,255 OK at+cesq +CESQ: 99,99,255,255,255,255 OK at+cesq +CESQ: 99,99,255,255,255,255 OK at+cesq +CESQ: 99,99,255,255,255,255 OK at+cesq +CESQ: 99,99,255,255,255,255 OK at+cesq +CESQ: 99,99,255,255,255,255 OK at+cesq +CESQ: 99,99,255,255,255,255 OK at+cesq +CESQ: 99,99,255,255,255,255 OK at+cesq +CESQ: 99,99,255,255,255,255 OK at+cesq +CESQ: 99,99,255,255,255,255 OK at+cesq +CESQ: 99,99,255,255,255,255 OK at+cesq +CESQ: 99,99,255,255,255,255 OK %CESQ: 51,2 +CEREG: 2,"76C1","0102DA04",7 %CESQ: 56,2 +CGEV: ME PDN ACT 0,0 AT+CGDCONT? +CNEC_ESM: 50,0 +CEREG: 5,"76C1","0102DA04",7 +CIND: "service",1 +CIND: "roam",1 +CGDCONT: 0,"IP","ibasis.iot","10.160.28.172",0,0 OK AT+CGACT? +CGACT: 0,1 OK at+cesq +CESQ: 99,99,255,255,255,56 OK
after a successful connection you can store the network data to modem flash by turning OFF the modem completely: AT+CFUN=0
Then if you reboot the kit and turn on the modem you should see that you get a connection much quicker.
thanks, thats good to know. i did now test it by waiting 20 minutes with each sim card.
same result
Hi A3p,
In which country are you located?
Did you register the ibasis SIM on nrf cloud?
Could you try to set the command:
AT%XMODEMTRACE=1,2
before you turn on the modem.
Please provide logs and any additional information you could think is important for me to know.
yes, the basis sim is now registered. no change. is the usage of the nrf cloud mandatory?
this is germany/Berlin with good coverage of both LTE and NB-IoT. My telekom sim works fine with a simcom modem, which also gives considerably more debug out if something is wrong.
with the hex file you send me, no traces are collected using the trace collector from nrfconnect, even when setting
AT%XMODEMTRACE=1,2
I already attached a trace file earlier. do you need a different one?
when running for a long time, i ocassionally get "
%CESQ: 255,0
+CEREG: 2,"FFFE","FFFFFFFF",7
currently i'm assuming that the DK is simply broken, and i ordered a second one.
Hi a3p,
I forgot that some networks do not support ePCO, which is most likely the case here.
Please try to the AT command:
AT%XEPCO=0
then switch to nb-iot mode,
AT%XSYSTEMMODE=0,1,0,0
before you turn on the modem (at+cfun=1).
