Hello,
I am using EC21 and QuecOpen.
EC21 can see and attach to mobile network but it can’t ativate PDP Context
AT+QIGETERROR
+QIGETERROR: 561,activate pdp context failed
OK
Any reason can make this problem? and How to resolve it?
Thanks.
Which sim card and which operator?
Have you set the right APN?
Is is a private network sim card?
Hi @Bean.Wang-Q ,
I am using lliat simcard with roaming service.
I configured APN.
not sure about private network. but it worked 2 weeks ago.
Current I don’t know the problem where
Please check
AT+CPIN?
AT+CFUN?
AT+CGREG?
AT+CEREG?
AT+QEGN=“servingcell”
AT+CGDCONT?
AT+QCFG=“nwscanmode”
AT+CEER
Maybe you can swith to another SIM card?
Hi @Bean.Wang-Q ,
this is repsonse from EC21.
I can’t change simcard, it’s a esim.
How to do factory reset EC21?
AT+CGREG?
+CGREG: 0,5
OK
AT+CPIN?
+CPIN: READY
OK
AT+CFUN?
+CFUN: 1
OK
AT+CGREG?
+CGREG: 0,5
OK
---> [COMMON-26]: Get DateTime: 2024/07/10 - 15:22:30
AT+CEREG?
+CEREG: 0,0
OK
AT+QENG="servingcell"
+QENG: "servingcell","NOCONN","WCDMA",452,01,32CD,4B650C3,10587,508,135,-93,-7,-,-,-,-,-
OK
AT+CGDCONT?
+CGDCONT: 1,"IP","iot.truphone.com","0.0.0.0",0,0,0,0
+CGDCONT: 2,"IP","iliad","0.0.0.0",0,0,0,0
OK
AT+QCFG="nwscanmode"
+QCFG: "nwscanmode",0
OK
AT+CEER
+CEER: 0,-1
OK
AT+CEREG?
+CEREG: 0,0
It do not support PS.