Issue with SSL certificates

Hi, all.
I have been facing issue with opening to the AWS endpoint.
AT+QMTOPEN=0,“a3uoz************-ats.iot.ap-south-1.amazonaws.com”,8883
OK

+QMTOPEN: 0,5

were i uploaded all certificates using the following commands

  1. AT+QFUPL=“cacert.pem”,1187 ,100
  2. AT+QFUPL=“clientcert.pem”,1220,100
  3. AT+QFUPL=“clientkey.pem”,1675,100
    using QCOM utility.(QCOM_win64)
    Please help me to solve this issue

Please refer to it and try again.

it’s wrong,ple run AT+QSSLCFG=“seclevel”,1,2