HUAWEI ME909u-523 LTE LGA Module
Application Guide
Initialization Application Scenarios
Issue 04 (2014-12-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
18
AT+CGDCONT=1,"IP","CMNET"
[1]
Set specific PDP context. It is an example of
packet data service settings. Set the PDP
context required by packet data service dial-
up.
OK
NOTE
[1] Set the correct APN when data service is initialized.
2.3.2
Troubleshooting
Scenario
Possible Error Information
Solution
AT+COPS?
+CME ERROR: SIM failure
No SIM card is detected. Insert
a SIM card.
AT+CREG?
+CME ERROR: SIM failure
No SIM card is detected. Insert
a SIM card.