HUAWEI MU609 HSPA LGA Module
Application Guide
USSD Application Scenarios
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
15.2.2 Troubleshooting
Possible Error
Information
Network doesn’t support the
USSD
Use correct USSD code that
the network supports.
The PIN is not
authenticated.
+CME ERROR: SIM
PIN required
15.3 Send the USSD Command in Transparent Mode
15.3.1 Reference Process
Send the USSD code to network.
OK
+CUSD:
0,"CD69724A74EA1A385B6C9683CD6E
B1184E4603",15
The network sends the MSISDN to
the TE.
Note:
"aad808" is just available in dedicated lab network. The USSD code is various in different
network.
15.3.2 Troubleshooting
Possible Error
Information
Network doesn't support the
USSD.
Use correct USSD code that
the network supports.
The PIN is not
authenticated.
+CME ERROR: SIM
PIN required