nRF9160 hangs when deactivate LTE after pull out the USIM card

[Siyou]

Hi,

Similar as this issue

Our QA team found the nRF9160 device will hang when user pull out the USIM card then try to deactivate LTE.

The issue can be repoduced by following commands:

[14:31:23.956]Ready
[14:31:29.639]AT+CGMR
[14:31:29.646]mfw_nrf9160_1.2.0
OK
[14:31:35.934]AT%XSYSTEMMODE?
[14:31:35.944]%XSYSTEMMODE: 1,0,1,0
OK
[14:31:39.357]AT%XBANDLOCK=2,"1000000000010010001"
[14:31:39.369]OK
[14:31:43.934]AT+CEREG=5
[14:31:43.942]OK
[14:31:53.973]AT+CFUN=21
[14:31:54.013]OK
[14:31:55.224]+CEREG: 2,"0001","01A2D101",7,0,0,"11100000","11100000"
[14:31:55.726]+CEREG: 1,"0001","01A2D101",7,,,"11100000","11100000"
[14:32:00.310]AT%XMONITOR
[14:32:00.318]%XMONITOR: 1,"Amarisoft Network","Amarisoft","00101","0001",7,8,"01A2D101",1,3625,69,35,"0101","11100000","11100000","00111110"
OK
[14:32:04.957]AT+CEREG?
¡õ
[14:32:04.967]+CEREG: 5,1,"0001","01A2D101",7,,,"11100000","11100000"
OK

//Here user pull out the USIM card without turn-off/reboot the device
[14:32:16.990]AT+CFUN=20
[14:32:25.599]AT+CFUN?
[14:32:28.423]AT+CEREG?
[14:32:30.758]AT%XMONITOR

[Håkon Alseth]

Hi,

 

I posted a potential fix in the linked devzone thread. Could you try and see if it works?

 

Kind regards,

Håkon

[Siyou]

Fixed by applying the patch in case 249896, thanks.