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HUAWEI ME909u-521 LTE LGA Module
Application Guide
SMS Application Scenarios
Issue 01 (2013-07-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
35
− 2: Delete all read and sent messages in the preferred message storage, and
keep the unread and unsent messages.
− 3: Delete all read, sent, and unsent messages in the preferred message
storage, and keep the unread messages.
− 4: Delete all messages in the preferred message storage, including the
unread messages.
Figure 5-8 Deleting short message
Deleting short messages
Start
Prerequisite:
SMS has been initialized.
Example: Lists all short
messages in PDU format.
Delete the message
stored in
location n in the preferred
storage.
Equivalent to
AT+CMGD=n
End
OK
+CMSERROR:
AT+CMGD=n AT+CMGD=n,0
AT+CMGL=4
AT+CMGD=x,DelFlag
X:(0-999)
+CMGL: 1,<parameters>
07919471060040
+CMGL: 2,<parameters>
07919471060040
......
invalid memory
index
5.5.2 Troubleshooting
Scenario
Possible Error
Information
Solution
Error information is
returned in response
to one of the previous
commands.
+CMS ERROR: invalid
memory index
Check the validity of the index.