CME Error :10 - Sim not inserted error in SIM800 GSM Module

arduino gsm
navjosh picture navjosh · Oct 19, 2016 · Viewed 7.4k times · Source

I get +CME ERROR: 10 on setting AT+COPS=1 Below is my terminal AT command output:

AT
OK 

AT+CSQ
+CSQ: 12,0
OK

AT+CMEE=1 
OK

AT+COPS=?
+COPS: (2,"405800","405800","405800"),(1,"40505","40505","40505"),(‌​‌​1,"AirTel","AirTel‌​",‌​"40410"),(1," IDEA CELLULAR Ltd","IDEA","40404"),,(0-4),(0-2) 
OK 

AT+COPS?
+COPS: 0 
OK 

AT+COPS=1
+CME 
ERROR: 10 

AT+COPS?
+COPS: 0 
OK I have a IDEA sim

Let me know what is the issue. I am using around 4 v current. Is it ok?

Answer

Jotasmall picture Jotasmall · Jun 6, 2018

You need to check if you are already connected and registered to the network (CREG status). For better error interpretation send AT+CMEE=2 for verbose errors.

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