The following image is taken from the tcp-ip connection document. It is mentioned here that the module should be rebooted when some problems occur. Which method do you suggest for open cpu mode? ql_reset function or Ql_RIL_SendATCmd(“AT+CFUN=0\0”) ?
Please try to send AT+CFUN=1,1 .
Does this command have the same result as what the document suggested?