TEST COMMAND<br />AT+CMGD=?<br />这个测试命令是什么意思呢<br />我用串口发送AT+CMGD=?TC35I就能往回发送 OK 吗<br /><br />我用串口发送AT+CMGD=<index><br />TC35I就能往回发送TA deletes message from preferred message storage <mem1> location <index>. <br />OK
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