Troubleshooting - Huawei MU609 Application Manual

HUAWEI MU609 HSPA LGA Module
Application Guide

14.3.2 Troubleshooting

Scenario
AT+CUSATE="<envelope
_command>"
AT+CUSATE="<envelope
_command>"
AT+CUSATE="<envelope
_command>"
AT+CUSATE="<envelope
_command>"
Issue 02 (2013-09-18)
Possible Error
Information
ERROR
+CME ERROR: SIM
PIN required
+CME ERROR: SIM
busy
ERROR
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STK Application Scenarios
Solution
AT^STSF=1,2
Unblock the PIN before
delivering the envelope
command.
Wait until the SIM card
initialization is complete
before delivering the
envelope command.
Check whether <envelope
_command> complies with
the 3GPP TS 31.111
protocol.
111