kli.7

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‎2023-06-14

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I have B-L475E-IOT01 and follow the ppt to connect to AWS IOT. But it cannot connect to AWS, the error message below. The firmware inside B-L-475E-IOT1 is original, come from the board, I do not flash any new firmware.

2018-11-11

*** AWS connectivity demonstration ***AWS IoT SDK Version 2.1.1-MQTT connection in progress... Attempt 1/3ERROR: iot_tls_connect L#301 failed ! mbedtls_ssl_handshake returned -0x7780 Attempt 2/3ERROR: iot_tls_connect L#301 failed ! mbedtls_ssl_handsh...