Troubleshooting - Huawei ME909u-523 Application Manual

HUAWEI ME909u-523 LTE LGA Module
Application Guide
Figure 3-2 Manual search for networks

3.1.2 Troubleshooting

Scenario
AT+COPS?
AT+CREG?
Issue 04 (2014-12-08)
Possible Error
Information
+CME ERROR: SIM
failure
+CME ERROR: SIM
failure
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Network Searching and Registration Application
Solution
No SIM card is detected. Insert
a SIM card.
No SIM card is detected. Insert
a SIM card.
Scenarios
21