I am also facing the same issue with Nx_TCP_Echo_Client. After the modifications in the file plf_sw_config.h, it can be vividly seen that the error is of SIM FAILURE because AT+QCCID command is unable to provide any response in STM32CubeExpansion_CEL...

Hi Vkamm.1,I am stuck with the same issue. Can you tell a little bit more about how to allow incoming connections from AWS side ?Thanks

Hi Vkamm.1,I am stuck with the same issue. Can you tell a little bit more about how to allow incoming connections from AWS side ? Thanks