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.
16
2.2 Querying Basic Information
2.2.1
Reference Process
Command
Description
AT+GMR/CGMR
Query software version.
Software version
OK
Software version. e.g.
11.430.37.00.00
AT+GMI/CGMI
Query manufacturer identification.
Manufacturer
Identification
OK
For example:
Huawei Technologies Co., Ltd.
AT+GMM/CGMM
Query model identification.
Model identification
OK
For example:
ME909u-523
AT+GSN/CGSN
Query product IMEI.
IMEI
OK
For example:
865261010004010
NOTE
The previously listed commands are query commands and cannot be used to configure
settings.
2.2.2
Troubleshooting
Scenario
Possible Error
Information
Solution
AT+GSN/CGSN
+CME ERROR: memory
failure
This error occurs when a
module's IMEI is not specified.
This problem is solved after
the IMEI is written into the
module.